Miscellaneous active electrical nonlinear devices, circuits, and systems inventions 03/08

20080074176 - Semiconductor integrated: A semiconductor integrated circuit has: a first functional block connected to a first power line and a second power line; a second functional block connected to the first power line and the second power line; and a power switch provided between the first power line and the first functional block... Agent: Mcginn Intellectual Property Law Group, PLLC

20080074177 - Linearization technique for current mode filters: A circuit is disclosed that compensates for the non-linearity of a current mode real pole producing circuit used to generate poles and zeros in complex filter circuits. The non-linearity of the prior art is compensated by driving one end of the primary pole producing capacitor with a signal derived from... Agent: Cesari And Mckenna, LLP

20080074178 - Multiple order low pass filter for an xdsl splitter in a telecommunication system: A single-ended low pass filter and its double-ended or balanced version comprising a first coil (Lp1) coupled between a first input (Vin1) and a first output (Vout1) terminal of the filter, a second coil (Lp2) coupled between a second input (Vin2) and a second output (Vout2) terminal of this filter,... Agent: Sughrue Mion, PLLC

20080074179 - Conversion circuit for converting differential signal into signal-phase signal: A conversion circuit for converting a differential signal into a single-phase signal 1 has a source-follower amplifier 10 and a source-grounded amplifier 20. The source-follower amplifier 10 outputs a non-inverted signal IN of the differential signal the phase of which is not inverted. The source-grounded amplifier 20 inverts an inverted... Agent: Bingham Mccutchen LLP

20080074180 - Semiconductor integrated circuit: A semiconductor integrated circuit according to an example of the present invention includes a semiconductor substrate, an element isolation insulating layer formed in a surface region of the semiconductor substrate, and first and second MIS type devices isolated from each other by the element isolation insulating layer and formed in... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080068044 - Method and radiation hardened phase frequency detector for implementing enhanced radiation immunity performance: A method and radiation hardened phase frequency detector (PFD) are provided for implementing enhanced radiation immunity performance. The radiation hardened phase frequency detector (PFD) includes a plurality of functional blocks. Each functional block includes duplicated components providing duplicated inputs, internal nodes and outputs. The duplicated components are arranged so that... Agent: Ibm Corporation RochesterIPLaw Dept 917

20080068045 - Semiconductor integrated circuit with voltage drop detector: A semiconductor integrated circuit includes one or more voltage drop detection circuits located at one or more measurement points within the integrated circuit to detect drops in the power supply potential at those points. The voltage drop detection circuits output signals indicating whether the power supply potential is within tolerance,... Agent: Nixon Peabody, LLP

20080068047 - Semiconductor device and production method of the same: A disclosed method of producing a semiconductor device includes the steps of (A) forming a gate electrode and a trimming fuse on a semiconductor substrate; (B) forming a side wall insulating film covering the gate electrode and the trimming fuse; (C) forming a conductive film on the side wall insulating... Agent: Cooper & Dunham, LLP

20080068046 - Sense amplifiers with high voltage swing: A sense amplifier includes a reference voltage generator for generating a reference output voltage and a core output voltage generator for generating a core output voltage. The core output voltage generator includes a core front-end stage and a core back-end stage or includes a plurality of amplifier transistors each conducting... Agent: Law Office Of Monica H Choi

20080068048 - Fixed frequency clock output having a variable high frequency input clock and an unrelated fixed frequency reference signal: A digital circuit generates very precise clock frequencies for applications that can tolerate a small degree of jitter but require exact long term frequencies, e.g. a video clock for a laser printer. Some subpixel jitter is acceptable, but the overall pixel rate remains exact and consistent. In some applications, the... Agent: Schwabe, Williamson & Wyatt, P.C.

20080068049 - Current-regulated, bootstrapped-biased, high to low impedance signal-buffer/output-driver for audio electronics: An audio frequency buffer device comprising a unique arrangement of electronic elements, intended long battery operation, consisting of the current-buffer stage (18) with the current regulator (30) and the boot-strapped bias arrangement (16); and the current-driver stage (20) with the current regulator (32); the combination of two current regulators (30)... Agent: Alexander George Welti

20080068050 - Sub-micron high input voltage tolerant input output (i/o) circuit: A method of providing bias voltages for input output connections on low voltage integrated circuits. As integrated circuit voltages drop generally so does the external voltages that those circuits can handle. By placing input and output devices, in series, external voltages can be divided between the devices thereby reducing junction... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080068051 - Driving circuit of optical gate switch: A driving circuit of a semiconductor optical amplifier type gate switch constituting a matrix optical switch is provided with an operation amplifier into which a driving signal is input and from which a current corresponding to the driving signal is output, an inductance element provided at an output terminal of... Agent: Staas & Halsey LLP

20080068052 - Frequency doubler using dual gilbert mixers: The present invention relates to a circuit providing frequency-doubling function. More particularly, the present invention relates to a frequency doubler circuit comprising dual Gilbert mixers in replace with the single mixer scheme in the conventional direct conversion transceiver circuit. CMOS technology is preferred in order to lower size and power... Agent: Jianq Chyun Intellectual Property Office

20080068053 - Frequency divider and method for controlling the same: Conventional frequency dividers allowing a plurality of output signals with different frequency dividing ratios to be output require a plurality of frequency dividing circuits the number of which is equal to or greater than that of the output frequency dividing ratios. This increases the sizes and costs of the conventional... Agent: Ratnerprestia

20080068054 - Switching regulator: A switching regulator that includes a switching transistor configured to control an output current by switching, a proportional current generator configured to generate a current proportional to a current flowing through the switching transistor, a first slope voltage generator configured to generate a linear slope voltage, a second slope voltage... Agent: Dickstein Shapiro LLP

20080068055 - Circuit for generating rotating electric field: A circuit for generating a rotating field using a timed power source comprising at least a first inverter and a second inverter. Also described is an assembly having plates to which the circuit is applied for the purpose of generating a rotating electric field.... Agent: Stetina Brunda Garred & Brucker

20080068056 - Power supply noise rejection in pll or dll circuits: A phase controller can be part of a phase-locked loop (PLL) or a delay-locked loop (DLL). The phase controller includes first and second regulators. The first regulator provides power supply noise rejection while the second regulator provides phase and frequency lock.... Agent: Rambus Lerner, David, Et Al.

20080068057 - Pll circuit and method of controlling the same: A PLL circuit includes a phase detector that compares the phase of an input clock with the phase of a feedback clock so as to generate pull-up and pull-down control signals. A low pass filter pumps a voltage in response to the pull-up and pull-down control signals, and removes a... Agent: Venable LLP

20080068058 - Pll circuit having loop filter and method of driving the same: A PLL circuit includes a phase detector that compares the phase of an input clock and the phase of a feedback clock and generates a pull-up control signal and a pull-down control signal. A loop filter pumps a voltage in response to the pull-up and pull-down control signals, filters the... Agent: Venable LLP

20080068059 - Circuit comprising a mos transistor and a control circuit for the mos transistor: A circuit includes a MOS transistor having a control electrode and a control capacitance, and including a control circuit for the MOS transistor. The control circuit includes an input to supply a control signal and an output to supply a drive signal, the output being connected to the control electrode... Agent: Maginot, Moore & Beck Chase Tower

20080068060 - Low-power, programmable multi-stage delay cell: A system, apparatus and method for delaying a signal, such as a high-speed signal are disclosed. A multi-stage delay cell is described in which the amount of delay applied to a signal depends on which stages are activated within the cell. In various embodiments of the invention, noise caused by... Agent: Lsi Corporation

20080068061 - Performance variation compensating circuit and method: A circuit's performance may vary based on various factors such as, for example, process, voltage, and/or temperature. In one embodiment, a circuit includes an input terminal which receives an input signal, a delay selection section which delays the input signal by a delay amount selected by a performance variation indicator,... Agent: Freescale Semiconductor, Inc. Law Department

20080068062 - Method and circuit configuration for transmitting a two-valued signal: The present invention relates to a method for transmitting a two-valued signal via a channel, a pulse train being output after the change of a signal level of the two-valued signal, and subsequently to the pulse train, a backswing is output. The present invention also relates to a circuit configuration... Agent: Kenyon & Kenyon LLP

20080068063 - Voltage level converting circuit and display apparatus including the same: A voltage level converting circuit may include a first transistor including a first terminal coupled with a first terminal supplying a first voltage, and a control terminal coupled with an input terminal, a second transistor including a first terminal coupled with a second terminal supplying a second voltage lower than... Agent: Lee & Morse, P.C.

20080068064 - Input buffer circuit: An input buffer circuit. In one embodiment, the input buffer circuit includes a first transistor operable to receive a first input signal, a second transistor operable to receive a second input signal, and a first mechanism coupled to the first transistor and to the second transistor. The first mechanism is... Agent: Sawyer Law Group LLP

20080068065 - Electronically scannable multiplexing device: An electronically scannable multiplexing device is capable of addressing multiple bits within a volatile or non-volatile memory cell. The multiplexing device generates an electronically scannable conducting channel with two oppositely formed depletion regions. The depletion width of each depletion region is controlled by a voltage applied to a respective control... Agent: Fleit, Kain, Gibbons, Gutman, Bongini & Bianco P.l

20080068066 - High efficiency white led drivers: A circuit device for a high efficiency current driver for a white LED is presented. The circuit device includes a bias transistor to provide a substantially constant bias current through a bias leg. A driver transistor is connected to the bias transistor and the current in the driver transistor substantially... Agent: Rohit Mittal

20080068067 - Implementation of output floating scheme for hv charge pumps: According to different embodiments of the present invention, various methods, devices and systems are described for managing power in charge pumps in a non-volatile memory system having a high voltage charge pump and associated regulator. A method includes the following operations, receiving an operation command corresponding to an operation, pumping... Agent: Beyer Weaver LLP/ Sandisk

20080068068 - Method and system for charge pumps: A charge pump circuit and a method for operating the charge pump circuit is provided. The circuit includes a first transistor at least coupled to an output node; a second transistor at least coupled to an input node that receives an input voltage; and a third transistor at least coupled... Agent: Klein, O'neill & Singh, LLP

20080068069 - High voltage generator: A high voltage generator is provided. The high voltage generator may comprise a high voltage output node, a plurality of pumping stages, a plurality of charge transfer elements, and a field relieving unit. The plurality of pumping stages sequentially pump charges in response to a sequentially enabled plurality of pump... Agent: Marger Johnson & Mccollom, P.C.

20080068070 - Internal voltage generator: An internal voltage generator for stably generating an internal voltage includes a latch unit for outputting a first and a second driving signals based on a periodic signal; a first pump block for generating the internal voltage in response to the first driving signal; and a second pump block for... Agent: Mcdermott Will & Emery LLP

20080068071 - Voltage converting circuit structure: A voltage converting circuit is able to convert an input voltage generated by a system to a voltage capable of being utilized by a chip, avoids the defects of conventional switching regulators and linear regulators, and achieves voltage regulation with extremely high power efficiency and without off-chip components. The voltage... Agent: North America Intellectual Property Corporation

20080068072 - Ratioed feedback body voltage bias generator: A current mirror circuit includes a reference current source that generates a reference current, a reference transistor, a mirror transistor and a ratioed body bias feedback unit. The reference transistor has a first node that is coupled to the output of the reference current source, a gate that is coupled... Agent: Ibm Corporation

20080068073 - Noise reduction in digital systems: A digital system. The digital system includes (a) a first logic circuit and a second logic circuit, (b) a first register, (c) a second register, (d) a third register, (e) a clock generator circuit, and (f) a controller circuit. The first logic circuit is capable of obtaining first data and... Agent: Schmeiser, Olsen & Watts

20080061838 - Differential-type high-speed phase detector: A differential-type high-speed phase detector is provided, and it includes a first DTHT module and a second DTHT module wherein these two DTHT modules are the same. The first DTHT module includes a first input for receiving a signal CK_ref, a second input for receiving a signal CK_fb, a first... Agent: Rosenberg, Klein & Lee

20080061840 - Receiver circuit having compensated offset voltage: A receiver circuit includes an offset control signal generating unit that outputs a plurality of offset control signals using an offset voltage. A sense amplifier receives a first current and a second current generated on the basis of an up input signal and a down input signal, respectively, converts the... Agent: Venable LLP

20080061841 - Voltage detecting circuit and battery device using same: A voltage detecting circuit included in a battery device includes an input voltage comparing circuit that compares a first threshold value voltage or a second threshold value voltage lower than the first threshold value voltage with an input voltage to control the opening and closing of an output switching element,... Agent: Rohm Co., Ltd. C/o Keating & Bennett, LLP

20080061842 - Circuit and method for detecting timed amplitude reduction of a signal relative to a threshold voltage: A signal amplitude threshold detector includes a comparator having first and second inputs. An input signal is coupled to the first input of the comparator. The second input of the comparator receives a reference voltage from a reference voltage generator. The signal amplitude threshold detector also includes a parallel combination... Agent: Edward W. Bulchis, Esq. Dorsey & Whitney LLP

20080061843 - Detecting voltage glitches: In some implementations, an apparatus includes a filter circuit that receives an input signal and generates in response a filtered signal; and a comparison circuit that receives the input signal and the filtered signal, and outputs in response a comparison output signal having a first level when a magnitude of... Agent: Fish & Richardson P.C.

20080061844 - Zero-waiting-current precise over-voltage comparator: A precise over-voltage comparator exhibits zero-waiting-current characteristics during normal working conditions. An NMOS transistor is used in conjunction with other circuit elements to regulate the over-voltage comparator. For normal power supply voltages, the comparator stays in standby status and does not consume quiescent current.... Agent: Stmicroelectronics, Inc.

20080061845 - Operating frequency generating method and circuit for switching voltage converter: An operating frequency generating method and circuit for a switching voltage converter are provided. The method includes the following steps. First, a reference clock signal and a digital period signal are received. The phase of the digital period signal is delayed according to at least one different delay time, so... Agent: J C Patents, Inc.

20080061839 - Circuit and method for stable fuse detection: A fuse state detection circuit is comprised of a first fuse element, a second fuse element, and an output for carrying an output signal, the output signal represents a first logic state when the first fuse element is blown and the second fuse element is unblown and the output signal... Agent: Jones Day

20080061847 - Driver circuit and method of controlling the same: A conventional driver circuit has difficulty in controlling output voltages such as an output amplitude and a middle voltage in a CML circuit. Furthermore, in another conventional driver circuit, a high level of an output voltage in the CML circuit is dropped from a power supply voltage. To solve these... Agent: Foley And Lardner LLP Suite 500

20080061846 - Input circuit for receiving a variable voltage input signal and method: An input voltage circuit comprises an input transistor having a control electrode for receiving a variable input voltage, a voltage detection transistor having a current electrode coupled to a current electrode of the input transistor forming a first node, and a current source coupled to a second current electrode of... Agent: Freescale Semiconductor, Inc. Law Department

20080061848 - Output driver circuit having a clamped mode and an operating mode: An output driver circuit 18 is provided having an operating mode in which the output signal has a variable level dependent upon an input signal and a clamping mode in which the output signal is clamped to a fixed level. The output driver circuit includes a control circuit 20 and... Agent: Nixon & Vanderhye, PC

20080061849 - Power-on circuit: A power-on circuit which may generate a power-on signal that is insensitive to the rising speed of an I/O voltage or core voltage. A power-on signal may be generated according to current drive capabilities of NMOS and PMOS transistors based on the I/O voltage or core voltage. A power-on circuit... Agent: Sherr & Nourse, PLLC

20080061850 - Pll circuit: A PLL circuit according to an embodiment of the present invention includes: a phase comparing circuit comparing phases of a reference clock signal and a feedback clock signal to output a voltage-up signal and a voltage-down signal based on the phase difference; a first charge pump circuit generating a first... Agent: Mcginn Intellectual Property Law Group, PLLC

20080061851 - Delay locked loop circuit capable of reducing bang-bang jitter: A delay locked loop circuit is provided that can reduce bang-bang jitter in the circuit. In one embodiment, the delay locked loop circuit includes a phase detector, a first detection unit, a second detection unit, a delay unit, and a variable delay circuit. In the delay locked loop circuit, the... Agent: Marger Johnson & Mccollom, P.C.

20080061852 - Integrated circuit for sampling a sequence of data packets at a data output: An integrated circuit comprises a sampling circuit arranged at a data output of an operating section and operated by sampling edges, data packets appearing at the data output in response to a sequence of request commands, and a control section configured to produce the sampling edges, the control section comprising... Agent: Patterson & Sheridan, LLP Gero Mcclellan / Qimonda

20080061853 - High speed flip-flops and complex gates using the same: In high-speed flip-flops and complex gates using the same, the flip-flop includes a first PMOS transistor and second and third NMOS transistors, which are serially connected between a power supply voltage and a ground voltage. Gates of the first PMOS transistor and the second NMOS transistor are connected to input... Agent: Mills & Onello LLP

20080061854 - Apparatus and related method for generating output clock: An apparatus for generating an audio output clock is disclosed. The apparatus at least includes a plurality of dividers and a frequency synthesizer. The apparatus utilizes the dividers to achieve dispersive frequency-division operations such that the anti-noise ability of the apparatus can be improved. In addition, the apparatus also utilizes... Agent: North America Intellectual Property Corporation

20080061855 - Method and apparatus for generating a clock signal and for controlling a clock frequency using the same: A method and a device for generating a clock signal determine a number of pulses to be discarded from each predetermined cycle of a reference clock signal in order to obtain, on average, a target frequency. A masking pattern is created for discarding the number of pulses to be discarded... Agent: Volentine & Whitt PLLC

20080061856 - Internal voltage generator of semiconductor integrated circuit: An internal voltage generator of a semiconductor integrated circuit includes a first driver that outputs an internal voltage by using an internal reference voltage during an active operation in accordance with a detection signal generated by using an external voltage and an active enable signal activated during an activation mode,... Agent: Venable LLP

20080061857 - Switch-capacitor techniques for level-shifting: In one embodiment, a circuit comprises at least first and second circuit stages, at least one level shifting circuit, and a control circuit. The first circuit stage is configured and arranged to produce a reference voltage at the at least one first output during each first phase of at least... Agent: Wolf Greenfield & Sacks, P.C.

20080061858 - Switched-capacitor circuit: A low-power switched-capacitor circuit is disclosed. The low-power switched-capacitor circuit includes a p-channel switched-capacitor integrator and an n-channel switched-capacitor integrator. The p-channel switched-capacitor integrator includes a first set of input transistors controlled by a first set of capacitors and switches. The n-channel switched-capacitor integrator includes a second set of input... Agent: Dillon & Yudell LLP

20080061859 - Low noise mixer with reduced distortion: A low noise RF mixer is described. The mixer of the present invention has excellent linearity due to reduction of second-order distortion. The mixer includes an inputting stage, a switching stage and a load stage. The inputting stage includes a switching pair and a transconductance circuit. The load stage is... Agent: Madson & Austin

20080061860 - Cmos-based receriver for communications applications: A receiver and receiver front end having multiple independent differential inputs, multiple independent differential low-noise amplifiers, and two sets of double-balanced IQ mixers. The double-balanced mixers include cross-coupled PMOS devices that dynamically inject current at zero-crossing points to cancel out tail currents in the mixers. Also, methods of operating the... Agent: Squire, Sanders & Dempsey L.L.P.

20080061861 - Power supplies for driving h-bridges: An apparatus includes an integrated circuit that includes low side power supply circuitry that provides an output voltage for H-bridge circuitry. The low side power supply circuitry includes one transistor that provides one current to the output of the low side power supply circuitry in response to the output voltage... Agent: Hayes Soloway P.C.

20080061862 - Electronic circuit arrangement with active control during the reception of a received electrical signal: The invention creates an electronic circuit arrangement for receiving a received electrical signal (101) with a first receiving device (100), a second receiving device (200) and a comparator unit (301) for comparing a second signal difference (207), output by the second receiving device (200), with a target value signal (303)... Agent: Jenkins, Wilson, Taylor & Hunt, P. A.

20080061864 - Apparatus and method for adjusting a first electrical signal with respect to a second electrical signal: An apparatus for adjusting a first signal with respect to a second signal includes: (a) A first converter receiving the first signal and employing n first converting elements for digitally converting the first signal to at least one first signal element. (b) A second converter coupled with an output, receiving... Agent: Texas Instruments Incorporated

20080061865 - Apparatus and method for providing a temperature dependent output signal: An apparatus for providing a temperature dependent output signal generates a temperature independent signal on the basis of a supply signal and a control signal and generates the output signal on the basis of the supply signal, the control signal and the temperature independent signal.... Agent: Eschweiler & Associates LLC

20080061863 - Temperature sensor device and methods thereof: A device having a temperature sensor device is disclosed. The temperature sensor device includes a complementary to absolute temperature (CTAT) module and a reference module. Both the temperature sensor and the reference voltage module provide signals, that vary in a complementary relationship with the variation in temperature. While the signals... Agent: Larson Newman Abel Polansky & White, LLP

20080061866 - Fuse option circuit: A fuse option circuit including a fuse, a control switch, a latch, and a logical operational controller is provided. The latch stores a selected level. The logical operational controller outputs a selected result signal and feedbacks a control signal to the control switch. The level of the control signal determines... Agent: Haverstock & Owens LLP

20080061867 - Methods and apparatus to reduce substrate voltage bounces and spike voltages in switching amplifiers: Methods and apparatus to reduce voltage bounces and spike voltages in switching amplifiers are disclosed. An example method of removing a substrate current from a substrate disclosed herein comprises injecting the substrate current via turning on an active device, forming a low impedance path to ground via a substrate clamp... Agent: Texas Instruments Incorporated

20080061868 - Digital temperature sensing device using temperature depending characteristic of contact resistance: A digital temperature sensing device uses temperature depending characteristic of contact resistance of a MOS transistor and a self-refresh driving device adjusts its self-refresh period depending on temperature using the digital temperature sensing device. The self-refresh driving device includes a first reference voltage generating unit for generating a reference voltage... Agent: Mcdermott Will & Emery LLP

20080061869 - Semiconductor circuit and semiconductor device using same: The semiconductor circuit has a power supply voltage generation circuit; a first circuit having a transistor that is connected to the power supply voltage generation circuit, and that varies a drain current value by utilizing the degree of freedom of an electron spin to vary the spin states of the... Agent: Mcginn Intellectual Property Law Group, PLLC

20080054947 - Semiconductor memory apparatus: A semiconductor memory apparatus includes a phase comparator configured to compare phases of rising and falling feedback clocks with that of a reference clock, a delay circuit configured to delay the reference clock by a predetermined time based on a comparison result of the phase comparator to thereby generate rising... Agent: Blakely Sokoloff Taylor & Zafman

20080054948 - Threshold circuit arrangement: A method for operating a threshold circuit arrangement and a threshold circuit arrangement is disclosed. In one embodiment, the invention provides a threshold circuit arrangement, wherein a comparator circuit is configured to compare an input signal is compared with a predetermined threshold, and wherein, depending on the result of the... Agent: Dicke, Billig & Czaja

20080054949 - High gain, high speed comparator operable at low current: A comparator includes a differential pair of transistors providing a first amplification stage and receiving inverting and non-inverting input signals. An output transistor is coupled to the differential pair of transistors providing a second amplification stage and transitioning the output signal state when the non-inverting input signal is larger than... Agent: Ratnerprestia

20080054950 - Methods and system for detecting dc output levels in an audio system: A system for detecting a direct current (DC) component of a pulse-width modulated (PWM) signal includes a modulator configured to provide at least one PWM signal to an input of an amplifier. A DC detector is configured to detect a DC component of a selected one of the at least... Agent: Texas Instruments Incorporated

20080054951 - Track and hold circuit: Methods and apparatus are disclosed to track and hold a voltage. An example track and hold circuit comprises a first electronic switch, a second electronic switch, and a current mode logic amplifier.... Agent: Texas Instruments Incorporated

20080054952 - Circuit for switching between two clock signals independently of the frequency of the clock signals: A clock switching circuit for switching between plural clock signals includes a selector for outputting a first control signal when a low speed clock is selected by a selection signal with a permission signal halted, and a second control signal when a high speed clock is selected by the selection... Agent: Volentine & Whitt PLLC

20080054953 - Rsds/lvds driving circuits suitable for low working voltages: A driving circuit includes a first switchable current module for providing a first current, a second switchable current module for providing a second current, a first switchable current source having an input end coupled to a first output end of the second switchable current module, a second switchable current source... Agent: North America Intellectual Property Corporation

20080054954 - Analog buffer: An analog buffer used in a source driver is provided. The analog buffer havs an input end, an output end, a transistor, first and second capacitors, first, second, third, fourth and fifth switches. The source and the drain of the transistor is coupled to the output end and receives a... Agent: Rabin & Berdo, PC

20080054955 - Radio frequency doubler: When a signal of a double frequency is generated from the original signal, conventionally a 90-degree phase-shift circuit is necessary to suppress an output of a DC component and efficiently obtain a double wave. According to the present invention, an equal RF signal is inputted to input terminals and an... Agent: Steptoe & Johnson LLP

20080054956 - System-on-chip including deepstop mode and method thereof: A system-on-chip may include a hard-macro block, a deepstop control logic circuit, and/or a multi-threshold complementary metal-oxide-semiconductor (MTCMOS) logic circuit. The deepstop control logic circuit may be configured to transfer data to the hard-macro block from the multi-threshold complementary metal-oxide-semiconductor (MTCMOS) logic circuit during a normal mode. The deepstop control... Agent: Harness, Dickey & Pierce, P.L.C

20080054957 - Skew correction apparatus: A skew correction apparatus is composed of a variable delay line 200 for generating a delayed clock signal DCLK by delaying a clock signal CLK by a variable delay amount DT, a phase comparator 10 for comparing a phase of the delayed clock signal DCLK with transition of rising of... Agent: Mcdermott Will & Emery LLP

20080054958 - Delay line and delay lock loop: A delay line comprises first and second delay arrays and a multiplexer. The first delay array receives a clock signal and a delay control signal, and delays the clock signal to output a first delay array clock signal according to the delay control signal. The second delay array receives a... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080054959 - Dll circuit and semiconductor device including the same: A DLL circuit includes a first delay adjusting circuit that adjusts an amount of delay of a frequency-divided signal CK1, a second delay adjusting circuit that adjusts an amount of delay of a frequency-divided signal CK2, a synthesizing circuit that synthesizes outputs of these delay adjusting circuits to generate an... Agent: Foley And Lardner LLP Suite 500

20080054961 - Charge pumps: The method is for controlling a charge pump of the type where two flying capacitors charge and discharge to a reservoir capacitor in sequence. Part of the switching is carried out in parallel, lengthening the charging pulse at the expense of the conventional comparatively long discharge pulse, thus providing operation... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20080054962 - Delay locked loop having charge pump gain independent of operating frequency: A delay looked loop (DLL) having a charge pump gain independent of the operating frequency of the DLL. A method for providing a constant gain for a charge pump component of a delay locked loop (DLL) is disclosed, and includes: providing a switched capacitor stage responsive to a charge phase... Agent: Hoffman, Warnick & D'alessandro LLC

20080054963 - Delay locked loop having charge pump gain independent of operating frequency: A delay looked loop (DLL) having a charge pump gain independent of the operating frequency of the DLL. A charge pump is disclosed for providing a charge to a capacitive element on a voltage controlled delay line, wherein the charge is independent of a control voltage step cycle time of... Agent: Hoffman, Warnick & D'alessandro LLC

20080054960 - Phase-locked loop (pll) circuit and method: A phase-locked loop (PLL) circuit includes a reference clock divider with a reference clock input, a phase-frequency detector, a charge pump, a loop filter, a voltage controlled oscillator and a feedback divider. A method of operating the PLL circuit comprises the steps of detecting a failure of a reference clock... Agent: Texas Instruments Incorporated

20080054966 - Jitter reduction circuit: A jitter reduction circuit includes a signal line transmitting a first signal and having a plurality of sections, and a plurality of delay lines transmitting a second signal and provided in one-to-one correspondence to the sections of the signal line, wherein the plurality of delay lines is configured such that... Agent: Arent Fox LLP

20080054964 - Semiconductor memory device: A semiconductor memory device includes a delay locked loop for correcting a duty cycle rate of a delay locked clock signal. The semiconductor memory device includes a delay locked circuit, a duty cycle correction circuit, and a clock synchronization circuit. The delay locked circuit outputs a delay locked clock by... Agent: Mcdermott Will & Emery LLP

20080054965 - Semiconductor memory device and semiconductor device: Disclosed is a module where semiconductor memory devices each having a DLL (Delay Lock Loop) are stacked or a multi-chip module (MCM) having the semiconductor memory devices, a dedicated pad for sharing a clock signal between one of the semiconductor memory devices and other semiconductor memory device is included. The... Agent: Young & Thompson

20080054967 - Sequential timebase: A method and apparatus for correcting for deterministic jitter in a sequential sampling timebase. The value of a fine analog delay is held at a substantially constant nominal rate during a duration of a counting of a digital clock. A time difference between a trigger at which a fine analog... Agent: Lecroy Corporation

20080054968 - Signal transferring system with unequal lengths of connecting paths and method thereof: The present invention relates to a signal transferring system. The signal transferring system includes a first and second layout paths, and a first and second circuits. Lengths of the first and second layout paths are different. The first and second circuits are used for transmitting and receiving at least two... Agent: North America Intellectual Property Corporation

20080054970 - Voltage conveyor for changing voltage levels in a controlled manner: A system for changing voltage states at an output of an electronic device. In one embodiment, the system includes a voltage conveyor module coupled to the output of the electronic device and a voltage signal generator capable of producing a first voltage at the output. The voltage conveyor module is... Agent: Bromberg & Sunstein LLP

20080054969 - Output driver with slew rate control: A circuit and method for controlling a slew rate of an output buffer. A pre-driver is provided that drives an input of an output pad driver of the output buffer. An output slew rate of the pre-driver is electronically selected among at least two electronically selectable slew rates. An output... Agent: Patterson, Thuente, Skaar & Christensen, P.A.

20080054971 - Pulse width modulation control circuit: A pulse width modulation control circuit for providing a pulse width modulation signal in accordance with an embodiment of the present application includes a comparator operable to compare a first input to a second input and to provide the pulse width modulation signal based on the comparison, wherein the first... Agent: Ostrolenk Faber Gerb & Soffen

20080054972 - Bistable circuit with auto-time-adjusted switching, and flip-flop using such a bistable circuit: Bistable circuit switching at the edges of a clock signal, including means for pre-charging an intermediate node of the circuit, delay means including a chain of inverters defining a time window around an edge of said clock signal, means for discharging the intermediate node controlled by at least one input... Agent: Graybeal Jackson Haley LLP Bryan A. Santarelli

20080054973 - Leakage improvement for a high-voltage latch: An improved CMOS high-voltage latch stores data bits to be written to memory cells of a non-volatile memory has two cross-coupled CMOS inverters. One of the inverters has a pull-down leg that includes a pass-gate high-voltage NMOS transistor that is connected between a latch output node and a second high-voltage,... Agent: Schneck & Schneck

20080054974 - High speed flip-flops and complex gates using the same: In high-speed flip-flops and complex gates using the same, the flip-flop includes a first PMOS transistor and second and third NMOS transistors, which are serially connected between a power supply voltage and a ground voltage. Gates of the first PMOS transistor and the second NMOS transistor are connected to input... Agent: Mills & Onello LLP

20080054975 - Circuitry for latching: Circuitry for latching receives an input signal and a control signal and provides an output signal. In one embodiment, the setup time (t(SL) and t(SH)) of the input signal with reference to the control signal is to the first edge of the control signal, the holding time (t(HL) and t(HH))... Agent: Freescale Semiconductor, Inc. Law Department

20080054976 - Clock generation circuit and semiconductor device including the same: Objects of the invention are to provide a clock generation circuit, in which, even when different clock signals are used among a plurality of circuits such as a transmitting circuit and a receiving circuit, stabilized communication is possible; and to provide a semiconductor device including the clock generation circuit. The... Agent: Cook, Alex, Mcfarron, Manzo, Cummings & Mehler, Ltd.

20080054977 - Electronic circuit: An electronic circuit for performing clock gating on a clock signal supplied to a clock system using both edges, has a non-inverted/inverted signal selector which has an input connected to an input terminal, is fed with the clock signal through the input terminal, and outputs a first signal obtained by... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080054978 - Level-determining device and method of pulse width modulation signal: A level-determining device of pulse width modulation (PWM) signal includes a PWM signal generating circuit, a reference voltage generating circuit and a determining circuit. The PWM signal generating circuit generates a first PWM signal. The reference voltage generating circuit generates a reference voltage signal. The determining circuit is respectively electrically... Agent: Birch Stewart Kolasch & Birch

20080054979 - Level shifting circuit, driving device, led print head, and image forming apparatus: A level shifting circuit converts an input signal that varies between ground and a first voltage to a shifted signal that varies between ground and a second voltage higher than the first voltage. The level shifting circuit has two branches, in each of which a p-channel transistor and two n-channel... Agent: Panitch Schwarze Belisario & Nadel LLP

20080054981 - Calibration circuit, semiconductor device including the same, and method of adjusting output characteristics of semiconductor device: A calibration circuit includes: a replica buffer that drives a calibration terminal ZQ; a reference voltage generating circuit that generates a reference voltage VMID; a comparing circuit that compares a voltage appearing in the calibration terminal ZQ with the reference voltage VMID; an impedance adjusting circuit that changes an output... Agent: Foley And Lardner LLP Suite 500

20080054980 - Level shifting circuit: A level shifting circuit having a signal input that operates in a first voltage domain and a signal output that operates in a second voltage domain. In some embodiments, the level shifting circuit includes a clocked level shifter. In some embodiments, the level shifting circuit includes a level shifting latch... Agent: Freescale Semiconductor, Inc. Law Department

20080054982 - Low power level shifter and method thereof: Example embodiments relate to a low power level shifter. The low power level shifter may include an input unit, a pull-down driving unit, a pull-up driving unit and a blocking unit. The input unit may be configured to generate a current signal based on an input signal applied to an... Agent: Lee & Morse, P.C.

20080054983 - System and method for common mode bias for high frequency buffers: Methods and systems for reducing parasitic capacitance of a buffer for an electric circuit are disclosed and may include coupling a gate of a first transistor to a first differential input of the buffer via a first capacitor, coupling a gate of a second transistor to a second differential input... Agent: Mcandrews Held & Malloy, Ltd

20080054984 - High voltage gate driver ic with ramp driver: A High Voltage Gate Driver IC (HVIC) having an internal ramp drive function for controlling a high power switch to produce ramp output voltage waveforms. The HVIC including a sensor for sensing a voltage across the power switch; a reference generator for generating a reference voltage signal in accordance with... Agent: Ostrolenk Faber Gerb & Soffen

20080054985 - Signal generating and switching apparatus and method thereof: A signal generating and switching apparatus and a method thereof are provided. According to a simple layout technique, the signal switching apparatus is formed in each layer of a plurality of metal layers in an integrated circuit. When there is a need to correct any one of the plurality of... Agent: Jianq Chyun Intellectual Property Office

20080054986 - Resonant-current-source gate drive for simultaneous operation of thyristors using alternating-current in the resonant circuit: Systems, circuits, and methods for providing alternate polarity current pulses through a current transformer for operation of a thyristor are disclosed.... Agent: Occhiuti Rohlicek & Tsao, LLP

20080054987 - Gate-on voltage generator, driving device and display apparatus comprising the same: A gate-on voltage generator that can enhance display quality at low temperatures, a driving device, and a display apparatus having the same, in which the gate-on voltage generator includes a temperature sensor having an operational amplifier configured to receive a driving voltage and produce a temperature-dependent variable voltage, the level... Agent: F. Chau & Associates, LLC

20080054988 - Fuse circuit: A fuse circuit comprises at least one fuse circuit unit and a current blocking module. The fuse circuit unit comprises a voltage establishing module and a latch. The voltage establishing module is coupled to a first reference voltage source and includes a fuse that is capable of being selectively blown... Agent: Birch Stewart Kolasch & Birch

20080054989 - Body biasing control circuit using lookup table and body biasing control method using same: A body biasing control circuit capable of being shared by a plurality of macro blocks and can independently control body voltages of a plurality of macro blocks. The body biasing control circuit includes a lookup table for storing a plurality of indexes where each index is associated with a body... Agent: Volentine & Whitt PLLC

20080054990 - Charge pump method and architecture: A method for operating a plurality of charge pumps comprising: generating one or more phase-shifted clock signals; and coupling the one or more phased-shifted clock signals to the plurality of charge pumps, wherein the charge pumps are clocked at a different time to avoid excessive charging spikes caused by concurrent... Agent: L. Howard Chen, Esq. Kirkpatrick & Lockhart Preston Gates Ellis LLP

20080054991 - Booster circuit and voltage supply circuit: A booster circuit includes a pump circuit that boosts a voltage supplied from a power supply and outputs the boosted voltage, and a pump controlling circuit that outputs a first clock signal for operating the pump circuit to control the operation of the pump circuit. The pump controlling circuit controls... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080054992 - Voltage converter and display device comprising a voltage converter: A booster circuit of a two-step booster structure is manufactured by NMOS single channel processes and has two basic booster circuits to raise a gate voltage of a charge transfer transistor. The gate voltage of the transistor is first raised at one basic booster circuit, and this raised voltage is... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080054993 - Amplifier apparatus and method: An amplifier power-down apparatus is provided for reducing transient signals in an audio circuit comprising a reference voltage generator circuit for generating a reference voltage. The reference voltage generator circuit comprises a capacitor for maintaining the reference voltage at a desired level. The amplifier power-down apparatus comprises a discharge control... Agent: Dickstein Shapiro LLP

20080054994 - Dual-gate metal-oxide-semiconductor device: An MOS device includes first and second source/drain regions of a first conductivity type formed in a semiconductor layer of a second conductivity type proximate an upper surface of the semiconductor layer, the first and second source/drain regions being spaced apart relative to one another. A non-uniformly doped channel region... Agent: Ryan, Mason & Lewis, LLP

20080054995 - Programmable detection adjuster: A programmable detection adjuster is disclosed. The programmable detection adjuster comprises a bandgap and an adjusting circuit. The bandgap comprises a power input terminal, a voltage output terminal, a main resistance and a plurality of resistors. The adjusting circuit comprises a plurality of adjusting resistors, a plurality of transistor switches,... Agent: Jianq Chyun Intellectual Property Office

20080054996 - Supply voltage level detector: Supply voltage level detectors are disclosed. The supply voltage level detector comprises a voltage source divider dividing a voltage source to generate a detection voltage, a bandgap reference voltage generator, a comparator comparing the detection voltage with a bandgap reference voltage generated by the bandgap reference voltage generator to determine... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080054997 - Sawtooth wave generating apparatus, a method of generating sawtooth wave, a constant current circuit, and a method of adjusting amount of current from the same: A sawtooth wave generating apparatus includes a base frequency generating section and a frequency generating section for generating the frequency of a reference signal, a sawtooth wave forming section which forms a sawtooth wave based on the reference signal, a voltage comparator which compares the voltage value of the sawtooth... Agent: Harness, Dickey & Pierce, P.L.C

20080054998 - Half bridge driver input filter: A driver integrated circuit for driving at least one high voltage half bridge stage. The driver including a filter circuit for filtering a signal provided to the half bridge stage, a minimum pulse width of the signal being near a constant time of the filter, wherein the filter circuit prevents... Agent: Ostrolenk Faber Gerb & Soffen