Miscellaneous active electrical nonlinear devices, circuits, and systems inventions 02/06

20060038592 - Maximum/minimum value output circuit: A maximum/minimum value output circuit that selectively outputs a maximum/minimum value signal from plural input signals is disclosed. The maximum/minimum value output circuit includes plural input transistors having bases that are configured to input differing input signals, and collector-emitter structures that are connected through parallel connection; a current mirror circuit...

20060038591 - System and method for controlling input buffer biasing current: A system and method for controlling input buffer biasing current include an input buffer circuit with an input current detector circuit configured to generate a plurality of discrete biasing control signals. At least one input buffer is configured to adjust the biasing current in response to the plurality of discrete...

20060038593 - Semiconductor integrated circuit: Disclosed is a semiconductor integrated circuit that comprises first and second transmission systems receiving in common an input signal supplied to a signal input terminal and having substantially identical logic configuration to each other, each comprising a plurality of transistors; and an output select unit. Transistors constituting said first transmission...

20060038594 - Prescaling stage for high frequency applications: A prescaling stage includes bistable circuit in turn including respective master and slave portions inserted between a first and a second voltage reference and feedback connected to each other. Each portion is provided with at least one differential stage supplied by the first voltage reference and connected, by a transistor...

20060038595 - Digital lock detector for pll: Circuits and methods for detecting a lock condition of a phase-locked loop (PLL) circuit are provided. A frequency divider outputs a clock having a frequency equal to a reference clock frequency divided by N. A counter counts the number (M) of clock edges of a PLL output clock received during...

20060038597 - Delay circuit with reset-based forward path static delay: A delay locked loop circuit and method of operating the same. The delay locked loop circuit comprises a forward delay path having a variable delay portion and a static delay portion, wherein the static delay portion includes a static delay element, a feedback path for generating a feedback signal responsive...

20060038596 - Delay locked loop circuitry and method for optimizing delay timing in mixed signal systems: A mixed signal system includes a digital circuit (17) clocked by a digital clock signal, an analog circuit (18) clocked by an analog clock signal, and clock generation circuitry (15) including a delay locked loop (20) including a N-cell delay line (21) having an input for receiving a reference clock...

20060038598 - Generation and measurement of timing delays by digital phase error compensation: A circuit and method for generating a delayed event following a trigger pulse occurring at a random time between clock pulses is disclosed. The circuit includes a clock circuit, a voltage converter, an analog-to-digital converter circuit, a memory storage circuit, and a summing circuit. The method includes representing the time...

20060038599 - Systems and methods for implementing delay line circuitry: Memory devices used to control delay line circuitry, and that may be implemented in one embodiment to provide a self-tuning delay line device using empirical calibration technique/s to achieve a desired signal delay. The memory control device may be implemented to store electrical characteristics of the delay line circuitry during...

20060038600 - Substantially temperature independent delay chain: Methods and apparatuses are discussed for generating a temperature compensated signal, used for example to provide a signal with a delay within a pre-specified range over a range of temperatures to a sense amplifier of a memory array. In response to a start signal, a varying signal is generated. A...

20060038601 - Clock signal generators having programmable full-period clock skew control: Clock signal generators include an integrated circuit chip having a PLL-based or DLL-based clock driver therein. The clock driver is configured to support generation of a plurality of clock signals having different frequencies in a range between 1 and 1/N times a frequency of an internal clock signal and full-period...

20060038602 - Clock signal distribution utilizing differential sinusoidal signal pair: A differential sinusoidal signal pair is generated on an integrated circuit (IC). The differential sinusoidal signal pair is distributed to clock receiver circuits, which may be differential amplifiers. The clock receiver circuits receive the differential sinusoidal signal pair and convert the differential sinusoidal pair to local clock signals. Power consumption...

20060038603 - Digital phase mixers with enhanced speed: Digital phase mixers with enhanced speed are provided. A phase mixer generates a signal having a phase between the phases of two input signals based on select signals. The propagation delay of the output signal is reduced by using a first voltage source to drive the input signals and the...

20060038604 - Circuit and method for lowering insertion loss and increasing bandwidth in mosfet switches: A DC symmetrical FET switch includes second and third switches connecting the well of the symmetrical FET switch to the drains and the source when the symmetrical FET switch is on. When the three FET's are on, the well, source and drain of the symmetric FET switch all exhibit the...

20060038605 - Circuit and method for controlling the threshold voltage of trransistors: A control unit controlling a threshold voltage of a circuit unit (2) having a plurality of transistor devices, comprising a reference circuit; a measuring unit (12) measuring a threshold voltage of at least one sensing transistor of the circuit unit (2) and measuring a threshold voltage of at least one...

20060038606 - Boost circuit with a voltage detector: A boost circuit capable of boosting a reference voltage into an output voltage. The boost circuit includes a main transistor electrically connected to the output voltage, an auxiliary transistor electrically connected to the output voltage, a pre-charge circuit electrically connected to the main transistor and the auxiliary transistor for pre-charging...

20060038607 - Voltage generating circuit that produces internal supply voltage from external supply voltage: A pump circuit includes first and second transistors connected between an input terminal and an output terminal, and a capacitor which is connected at its one end to the connection node of the first and second transistors. The pump circuit is responsive to control signals applied to the gate electrodes...

20060038608 - Band-gap circuit: A band-gap circuit is constituted by comprising a feedback control amplifier 31 and MOS transistors 32 and 35, having two transistors 33 and 34 of which emitter area is different, comprising resistors R1, R2 and Rp between a base and an emitter of the transistor 33 of which emitter area...

20060038609 - Method and apparatus for fast power-on of the band-gap reference: A fast power-on band-gap reference circuit includes a band-gap logic and a band-gap dummy logic. During power-on, both the band-gap logic and the band-gap dummy logic are activated and charges the capacitance of a band-gap line. When an output of the band-gap logic reaches a predetermined value, the band-gap dummy...

20060038610 - Active-rc filter with compensation to reduce q enhancement: An active filter with compensation to reduce Q-enhancement is disclosed. The filter may include a first amplifier and a second amplifier coupled to the first amplifier. The second amplifier having a negative feedback loop including a buffer having a plurality of compensation resistors. The compensation resistors may each have a...

20060038611 - Differential filter topology with dielectric absorption cancellation for a data acquisition device: In one embodiment, a differential filter is configured using a differential operational amplifier (op-amp) with two feedback RC networks, each RC network coupled between a respective input and a respective output of the op-amp. Two capacitive elements may each provide mid-band positive feedback from a respective output of the op-amp...

20060033535 - Signal detecting circuit: A signal detecting circuit includes first and second differential amplifiers and a differential exclusive-OR circuit. The first differential amplifier is configured to amplify a differential input signal and to output first positive and inversion phase output signals. The second differential amplifier is configured to amplify the differential input signal and...

20060033536 - Driver circuit that employs feedback to enable operation of output transistor in triode region and saturation region: Driver circuit that generates an output drive signal that can be used to drive a light source (e.g., a light emitting diode (LED)) is described. The driver circuit includes an output transistor that operates in either a saturation region or a triode region. The driver circuit employs feedback to generate...

20060033537 - Semiconductor device, printed-circuit board and electronics device: A first terminal receives an input voltage. A second terminal is connected to one end of an inductor element. A third terminal is connected to the other end of the inductor element. For example, the third terminal (the other end of the inductor element) is connected to a ground line...

20060033538 - Prescaler circuit: A prescaler circuit includes: a frequency number switching part including first to sixth D-type flip-flop circuits, first and second AND circuits and first and second OR circuits; and a frequency division switching control part including a third AND circuit, a third OR circuit and first and second NOR circuits. The...

20060033539 - Low voltage pull-down circuit: A low voltage pull-down circuit for maintaining a node at a logic LOW voltage is provided. When a logic LOW is desired, the circuit provides a low-impedance path from the node to ground. The node may be easily pulled-up to a logic HIGH voltage, for example, by simply removing the...

20060033541 - Reset circuit and digital communication apparatus: There is provided a reset circuit in which the necessity for adjusting the constant of the pull-up resistor of the reset trigger signal is eliminated to assure a reliable reset operation. The reset circuit has another function to cancel the reset, even when clocks are stopped on power up. During...

20060033540 - Voltage detection circuit: A voltage detection circuit for detecting the voltage level of a first power source. A first transistor includes a first gate, a first source, and a first drain coupled to the first gate. A second transistor includes a second gate, a second source, and a second drain coupled to the...

20060033542 - Fast-locking digital phase locked loop: A method and apparatus for synchronizing signals. For devices, such as memory devices, implementing a synchronization device to synchronize signals, a synchronization device having a delay locked loop coupled to a phase locked loop may be implemented. The delay locked loop is implemented to measure the period of a reference...

20060033543 - Latch inverter and flip-flop using the same: A latch inverter includes a first PMOS transistor, a second PMOS transistor, a first NMOS transistor, a second NMOS transistor, a first level-adjusting unit and a second level-adjusting unit. The first level-adjusting unit changes the voltage level of the source of the second PMOS transistor in advance, and the second...

20060033544 - Digital programmable delay scheme to continuously calibrate and track delay over process, voltage and temperature: The method and circuit of the present invention compensates a timing change over PVT variations without adverse impact on the system. The method and circuit uses two digital programmable delay circuits which have a Master/Slave relationship. The master programmable delay circuit tracks a delay over PVT and readjusts the delay...

20060033545 - Dual-mode pulse generator: A pulse generator electrical circuit capable of operating as both a clock-based pulse generator and a delay-based pulse generator while minimizing the limitations of these two types of pulse generators is disclosed. When the pulse generator operates in “delay mode,” the smallest output pulse width possible corresponds to the minimum...

20060033546 - Configurable circuit structure having reduced susceptibility to interference when using at least two such circuits to perform like functions: A PLL function may be implemented as a dual-loop structure having a first PLL circuit which generates an intermediate signal from the reference signal, and a second PLL circuit which generates an output signal from the intermediate signal. The intermediate signal frequency is preferably chosen at a value in which...

20060033547 - Transient voltage detecting circuit for electronic system having multiple of power supplies: The invention provides a transient voltage detecting circuit for detecting changes of voltage in an electronic system which has a first power supply (VDD), a second power supply (VDD), a third power supply (VDD), a fourth power supply (VDD), a first ground (GND), and a second ground (GND). The voltage...

20060033548 - Circuit for translating voltage signal levels: A circuit (3) for translating first voltage signal levels to second voltage signal levels includes: a first diode (D1), the anode of the first diode being for receiving the first voltage signal levels; a resistor (R1), one end of the resistor being connected to the cathode of the first diode;...

20060033550 - Level shift circuit: To a level shift basic circuit having a CMOS configuration and composed of four transistors M1 through M4, a control circuit for preventing feed-through current through the transistors is added. Transitions of complementary data inputs Vin1 and Vin2 are made in a period in which n-MOS transistors M7 and M8...

20060033549 - Level shifter: A level shifter is provided, which is characterized by adding a PMOS transistor to each pair of NMOS and PMOS transistors in the conventional level shifter. Wherein, a first source/drain terminal and gate terminal of the added PMOS transistor are coupled to a second source/drain terminal and a gate terminal...

20060033551 - Switch driver with slew rate control: System and method for providing power to circuitry while avoiding a large transient current. A preferred embodiment comprises a distributed switch (such as switch arrangement 400) with a plurality of switches (such as switch 405) coupling a power supply to the circuitry. Each switch is individually controlled by a control...

20060033552 - Inverter apparatus: To provide a highly reliable inverter apparatus which discriminates long-cycle noise generated by the isolated signal transmission element from short-cycle dv/dt noise and induction noise. A low pass filter, band pass filter, and a switching means are provided between the input section of the gate drive circuit of the voltage-drive...

20060033553 - Stepwise drivers for dc/dc converters: Stepwise drivers for DC/DC converters are described herein. In one embodiment, a stepwise driver is provided to charge or discharge a gate capacitance of a power switch of a DC/DC converter. In a particular embodiment, a stepwise driver example includes multiple switching elements to sequentially switch to charge a gate...

20060033554 - Charge pump circuit: A charge pump circuit is disclosed in which a spike-shaped noise (glitch) generated in an output is reduced. The charge pump circuit comprises: a first transistor, one of the terminals of which is connected to a high electric potential power source, turned on and off according to a charge-up signal;...

20060033556 - Start-up circuit for providing a start-up voltage to an application circuit: A startup circuit for providing a startup voltage from a high voltage DC bus voltage to an application circuit comprising an integrated circuit package for at least a control circuit for driving at least one power switch of the application circuit; a dropping resistor in the integrated circuit package having...

20060033555 - Voltage regulator: A voltage regulator configured to provide a regulated voltage to a load having a first conductance is provided. The voltage regulator comprises a feedback circuit configured to generate the regulated voltage and a frequency compensation circuit comprising a first MOSFET device having a second conductance. The frequency compensation circuit is...

20060033557 - Reference circuit: A reference circuit comprising first and second field effect transistors connected to form a first current mirror, and a third and fourth field effect transistors connected to form a second current mirror, wherein a property of the first transistor is mismatched relative to the second transistor such that the threshold...

20060033558 - Method to reduce integrated circuit power consumption by using differential signaling within the device: A method of power consumption reduction in integrated circuits comprising extensive use of differential signaling within said circuits. Differential signaling comprises a pair of coupled, symmetrically opposite and operatively dependent electronic signals each driven by voltages of the same magnitude, but of opposite polarity with respect to a common ground....

20060033559 - Semiconductor integrated circuit having noise detect circuits detecting noise on power supply nets: A processor or a semiconductor integrated circuit which prevents a malfunction caused by noise on power supply nets. A noise detecting circuit which detects noise on power supply nets to a circuit block is arranged in each of a plurality of circuit blocks which performs signal processing, and which performs...

20060033560 - Variable time constant circuit and filter circuit using the same: A variable time constant circuit includes an inverting amplifier which has an amplifier input terminal and an amplifier output terminal connected to a signal output terminal and inverts a signal inputted to the amplifier input terminal, a first and a second resistor which are connected in series between the signal...

20060028248 - Voltage comparator: A voltage comparator for comparing a reference voltage with a threshold, includes a first voltage-to-current converter to convert a reference voltage that determines the threshold into a reference current that depends on the reference voltage, a second voltage-to-current converter to convert the comparison voltage into a comparison current that depends...

20060028249 - Sample/hold apparatus with small-sized capacitor and its driving method: A sample/hold apparatus includes first, second and third power supply terminals to which first, second and:third power supply voltages are applied. The second power supply voltage is an intermediate voltage between are first and third power supply voltages. A sampling switching element is adapted to pass an input voltage at...

20060028250 - Frequency converter circuit: A frequency converter circuit having at least one frequency converter element and a load stage. The frequency converter element has at least one signal input and at least one signal output, the frequency converter element being set up such that a signal provided at the signal output has a different...

20060028251 - Frequency divider system: A frequency divider circuit for providing a divided clock signal having a frequency that is an odd integer factor less than the frequency of an incoming system clock signal. The frequency divider includes a clock generator circuit coupled to a delay circuit which operates in an active and a reset...

20060028252 - System and method for content type management: A system and method for describing content in a virtual content repository (VCR), comprising integrating a plurality of repositories into the VCR, storing a first schema in the VCR, wherein the first schema includes a first set of one or more properties, wherein the first schema is accessible through a...

20060028253 - Power-on reset circuit: A power-on reset circuit is capable of outputting a normal reset signal despite slow rise of power supply voltage. A node is interposed between a MOS capacitor including a PMOS with its drain and source connected in common and an NMOS having its gate fixedly connected to a ground potential....

20060028254 - On chip timing adjustment in multi-channel fast data transfer: A method and structure for an apparatus for maintaining signal integrity between integrated circuits residing on a printed circuit board. The apparatus has adjustable delay circuitry within the circuits and the adjustable delay circuitry adjusts the timing of signals processed within the circuit. A phase monitor connects to the circuits....

20060028255 - Semiconductor integrated circuit having built-in pll circuit: A semiconductor integrated circuit having a built-in PLL circuit which has two charge pump circuits for charging and discharging capacitive elements of a loop filter in response to signals generated by a phase comparator circuit. One of the two charge pump circuits has current sources which generate current values smaller...

20060028256 - Digital duty cycle corrector for multi-phase clock application: Provided is a digital duty cycle corrector for a multi-phase clock application which includes a flip-flop receiving a signal having a first clock cycle as an input and generating a reference signal having a cycle twice the first clock cycle, a duty corrector generating a signal having a second clock...

20060028257 - System and method for over-temperature protection sensing employing mosfet on-resistance rds_on: A power supply controller is disclosed that uses power MOSFET on-resistance Rds_on for over-temperature protection. The parameter, on-resistance Rds_on, functions as a temperature dependent variable that enables a pulse width modulation controller to turn OFF when the controller is overheated. The MOSFET on-resistance Rds_on of the pulse width modulation controller...

20060028258 - Data storage latch structure with micro-electromechanical switch: Micro-electromechanical switches (MEMS) are configured to form a data storage latch to reduce power consumption, to reduce the space used in an integrated circuit, and to improve performance of the integrated circuit. MEMS are implemented at the wiring layer connected to an integrated circuit and coupled to form a storage...

20060028259 - Two-latch clocked-lssd flip-flop: A clocked level-sensitive scan design may have flip-flops designed to have data, scan-in, and output ports and to utilize two clock signals. Such a clocked level-sensitive scan flip-flop may be built utilizing two latches....

20060028260 - Logarithmic amplifier with base and emitter in feedback path: A logarithmic amplifier includes the base and emitter of a bipolar junction transistor coupled in a feedback path between the output and the input of a gain element. When the bipolar junction transistor is a PNP transistor, the logarithmic amplifier can be made compatible with CMOS semiconductor circuitry and processes....

20060028261 - Methods for controlling driving circuits: A method for controlling a driving circuit. A first switch unit comprises a first switch and a second switch and a second switch unit comprises a third switch and a fourth switch. The first and second switch units are alternately turned on, and each switch is coupled to a blocking...

20060028262 - Backgate pull-up for pmos pass-gates: The pass-gate circuit with backgate pull-up includes: a pass-gate transistor coupled between a first port and a second port; a backgate pull-up transistor coupled between a back gate of the pass-gate transistor and a gate of the pass-gate transistor; a first MOS transistor coupled between a first port and the...

20060028263 - Integrated circuit having a predefined dielectric strength: An integrated circuit having a first connection, a second connection, a substrate, and a control connection, in provided. The control connection controls a conductivity of the integrated circuit between the first connection and the second connection. The integrated circuit further includes a first transistor and n additional transistors with conductive...

20060028264 - Method and apparatus to remotely sense the temperature of a power semiconductor: Apparatus for indirectly sensing the temperature of a power MOS device comprising a power MOS device having a current sense circuit for sensing the current in the power MOS device, a circuit for producing a voltage related to the drain-source voltage of the power MOS device, a comparator coupled to...

20060028265 - Device for generating a gamma correction voltage and display ultilizing the same: A device for generating a Gamma correction voltage in a display is disclosed. The device comprises an integrated-circuit device and a Gamma correction voltage generating circuit. In the invention, a part of the Gamma correction generating circuit is disposed inside the integrated-circuit device. Compared to a conventional Gamma correction voltage...

20060028266 - Voltage generating circuit: A first transistor is arranged between a reference voltage node and a first node, and is connected at its gate to a second node. A second transistor is arranged between the second node and the reference voltage node, and is connected at its gate to the first node. Charges are...

20060028267 - Semiconductor integrated circuit device: In a conventional semiconductor integrated circuit device, a means for preventing a backflow current has a high on-state resistance, which makes it impossible to reduce the voltage loss in normal operation. A semiconductor integrated circuit device of the invention has a first MOS transistor, a second MOS transistor provided between...

20060022717 - Circuit and method for detecting phase: A circuit for detecting phase includes a first inverter, a second inverter, a differential amplifier, an output load latch and an output latch. The first and second inverters receive an input signal and an inverted input signal to generate first and second differential input signals in response to a clock...

20060022718 - Differential output circuit for improving bandwidth: A differential output circuit includes first and second inputs, first and second outputs, a resistor element connected between the outputs, first and second N-channel MISFETs, and first and second P-channel MISFETs. The inputs respectively receive first and second complementary input signals. The first N-channel MISFET has a source connected to...

20060022719 - Peak detector: A diode-less peak detector comprises first and second comparators (U1, U2) for comparing an input signal (V) with a peak signal. The first comparator (U1) is connected such that the peak signal functions as a reference and the second comparator (U2) is connected such that the input signal functions as...

20060022720 - Double feedback rotary traveling wave oscillator driven sampler circuits: A sampling circuit and method are disclosed. The sampling circuit includes a buffer, a holding capacitor, a set of switches, and at least two voltage references. The buffer drives buffered analog input signal via a first switch to a first node of holding capacitor. A second switch connects a second...

20060022722 - Frequency converter: A frequency converter converts a first current signal having a first frequency into a second current signal having a second frequency different from the first frequency. The frequency converter includes an adder and a switching circuit. The adder adds the first current signal and a reference current signal to output...

20060022721 - Variable frequency generator: A digital circuit generates very precise varying clock frequencies for applications that can tolerate a small degree of jitter but require exact longer 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,...

20060022723 - Clock dithering system and method during frequency scaling: A system and method of shifting a clock frequency of an integrated circuit device from a first frequency to a second frequency, including alternating between the first frequency and the second frequency according to a dithering pattern, the alternating occurring for a predetermined number of cycles; and setting the clock...

20060022724 - Method and apparatus for fail-safe resynchronization with minimum latency: A method and circuit for achieving minimum latency data transfer between two mesochronous (same frequency, different phase) clock domains is disclosed. This circuit supports arbitrary phase relationships between two clock domains and is tolerant of temperature and voltage shifts after initialization while maintaining the same output data latency. In one...

20060022725 - Semiconductor integrated circuit: A power-ON-clear circuit has a reset period when the power supply stops temporarily (or instantaneously) and then that power supply is restored. The power-ON-clear circuit 30 of a semiconductor integrated circuit 200 comprises: a capacitor C31 of which one end is connected to the external power-supply voltage Vcc1; an N-channel...

20060022726 - Method of switching pll characteristics and pll circuit: A loop filter which is a component of a PLL circuit includes a switching element for switching a capacitance value which connects and disconnects a second capacitive element to a first capacitive element according to a natural angular frequency switching signal, and a switching element for switching a resistance value...

20060022727 - Charge pump with balanced and constant up and down currents: A charge pump generates a first sub up current and a second sub up current that vary complementarily with a change in a voltage at an output terminal. The charge pump also generates a first sub down current and a second sub down current that vary complementarily with the change...

20060022728 - Frequency-controlled dll bias: A system for controlling bias of a delay-locked loop includes a peak detector and a comparator in the form of a differential amplifier. The peak detector detects the amplitude of a signal output from the DLL, and the comparator compares the DLL output signal amplitude to a reference signal. The...

20060022729 - Arbitrary waveform synthesizer to generate one or more arbitrary waveforms: A waveform generator includes a plurality of delay elements such as in a delay line circuit of a free-running oscillator, phase locked loop (PLL) circuit or delay locked loop (DLL) circuit, an algebra module, a switching module and an output module. The oscillator includes a plurality of delay elements and...

20060022731 - Dpwm with built-in protection functions for over current, over voltage and temperature: An apparatus for providing over current protection for a digital pulse width modulator is disclosed. The apparatus includes first logic circuitry for generating a primary interrupt indicating that a detected output current is greater than a threshold current. Second logic circuitry generates a secondary input responsive to the occurrence to...

20060022732 - Dpwm with leading edge blanker circuit: An apparatus for providing over current protection for a digital pulse width modulator is disclosed. The apparatus includes first logic circuitry for generating a primary interrupt indicating that a detected output current is greater than a threshold current. Second logic circuitry blanks out current spikes in the output current occurring...

20060022730 - Hardware/software implementation of a pwm with enhanced features using a standard microprocessor: A method and apparatus is provided to generate a pulse-width modulated (PWM) with enhanced features in accordance with a pre-determined protocol using a standard microprocessor. The method and apparatus is able to handle both variable on/off-timing control and multiple-event interrupts. The PWM functions of the present invention are implemented by...

20060022733 - Voltage droop suppressing circuit: The invention proposes noise suppression circuits that are assembled together with capacitors on a CPU package. Charge is conveyed from the capacitors dedicated to the active noise suppression function through electrical circuit pathways such as controlled electronic switches integrated into a semiconductor substrate. These circuit pathways connect to the capacitor...

20060022734 - Phase interpolation circuit: The invention relates to a phase-interpolation circuit and a phase-interpolation signal generating circuit applying the phase-interpolation circuit. The phase-interpolation circuit can avoid short-circuit current effectively. In addition, an inter-phase signal can be interpolated between the rising edge and the falling edge of the clock pulse. The phase-interpolation signal generating device...

20060022735 - Self correcting scheme to match pull up and pull down devices: The self correcting scheme to match pull up and pull down devices includes: a first comparator for comparing a common mode signal to a high reference limit; a second comparator for comparing the common mode signal to a low reference limit; a first flip flop having an input coupled to...

20060022736 - Device for setting a clock delay: A device for setting a clock delay is proposed, wherein delayed output clock signals are generated with the aid of delaying means by delaying an input clock signal. The delaying means are configured to provide several differently delayed clock signals simultaneously. The device is configured to generate the at least...

20060022737 - Device for the regulated delay of a clock signal: A device for the regulated delay of a clock signal is proposed, which comprises a delay means in order to generate a delayed clock signal, and comparison means for the phase comparison of the delayed clock signal with a reference clock signal. The reference clock signal is in this connection...

20060022738 - Versatile attenuator: A versatile attenuator. The versatile attenuator includes a first mechanism for receiving an input signal. A second mechanism measures the input signal and provides a signal-level indication in response thereto. A third mechanism selectively attenuates the input signal when the signal-level indication surpasses a predetermined threshold and provides an attenuated...

20060022739 - High speed digital level shifter: A high-speed digital level shifter is described. The preferred embodiment shifts an input signal with a lower amplitude to a signal with a higher amplitude. The level shifter includes a signal driver circuit to drive up the input signal to a driver signal having higher voltages. The driver signal is...

20060022740 - Differential amplifier circuit and mixer circuit having improved linearity: The present invention relates to a differential amplifier and a mixer for improving the linearity. The differential amplifier circuit according to this present invention, includes first and second load stages each having a predetermined voltage value, a main differential amplifier unit having a first differential stage that forms a differential...

20060022741 - Analog multiplexing circuits: A multiplexer circuit includes a plurality of switched differential amplifier circuits, one of which can be selected at a time. Each switched differential amplifier includes a pair of differential inputs and a pair of differential outputs, with each pair of differential inputs accepting a corresponding pair of input signals. Each...

20060022742 - Powergating method and apparatus: A powergating circuit includes a P-channel transistor with a source coupled to VCC, a gate for receiving a first boosted or non-boosted powergating control signal, and a drain forming the internal switched VCC power supply. An N-channel transistor has a source coupled to VSS, a gate for receiving a second...

20060022743 - On chip word line voltage with pvt tracking for memory embedded in logic process: The present disclosure is directed toward regulation of voltage for semiconductor memories. In an embodiment, a circuit for providing a controlled voltage level comprises a PMOS transistor coupled to a first voltage coupler (VPP), the gate of the PMOS transistor being coupled to the drain of the PMOS transistor; a...

20060022744 - Biasing circuit and voltage control oscillator thereof: A biasing circuit and a voltage control oscillator thereof are provided. The biasing circuit comprises a compensation circuit, a delay circuit and a comparison circuit. In the biasing circuit, the compensation circuit compensates a first differential voltage that is generated by the delay circuit so as to stabilize an output...

20060022745 - Semiconductor integrated circuit device: A semiconductor integrated circuit device includes: a circuit node to be set at a certain operating voltage; and a voltage stabilizing capacitor connected to the circuit node, wherein the voltage stabilizing capacitor is formed of at least two MOS capacitors coupled in parallel with each other, which show different capacitance...

20060022746 - Output driver for passive matrix organic light emitting diode: An output driver capable of reducing a leakage current is provided. In the output driver, a low voltage analog part is connected to a low voltage terminal and generates a mirror current proportional to an inputted current. A high voltage output driver is connected to a high voltage terminal and...