Miscellaneous active electrical nonlinear devices, circuits, and systems inventions 01/06

20060017472 - Phase detection in a sync pulse generator: A phase detector and phase detection method for a sync pulse generator operable in a clock synchronizer that effectuates data transfer between first circuitry disposed in a first clock domain and second circuitry disposed in a second clock domain. The first clock domain is operable with a first clock signal...

20060017471 - Phase detector: A phase detector is adapted to receive first and second signals and generate third and fourth signals representative of the difference between the phases of the first and second signals. The phase detector assert the third signal in response to the assertion of the first signal and unasserts the third...

20060017473 - Divider having dual modulus pre-scaler and an associated method: We describe a dual modulus prescaler that may be used in a high frequency PLL. The prescaler comprises a frequency division unit to generate a prescaled signal by dividing a frequency of an input signal by a division ratio and a frequency division ratio controller to determine the division ratio...

20060017474 - Transmitter for a controlled-shape switched signal on a communication line: A transmitter (4) for a controlled-shape switched signal on a communication line (1) comprises a signal generator including a capacitor (19) producing the switched signal to be applied to the line. The capacitor is charged by a charging current (IC) in response to an input signal (TX) so as to...

20060017476 - Phase locked loop integrated circuits having fast locking characteristics and methods of operating same: An integrated circuit device includes a fast-locking phase locked loop (PLL). This PLL includes a phase-frequency detector and first and second charge pumps, which are responsive to first and second control signals generated by the phase-frequency detector. The first and second charge pumps have different current sourcing characteristics when the...

20060017475 - Pll output clock stabilization circuit: A circuit includes: a PLL circuit which multiplies a reference clock by a multiplication factor and outputs a PLL clock; a first counter which counts up with the PLL clock for a fixed period of time; a comparator which compares a count value of the first counter with the multiplication...

20060017477 - Systems and methods for initializing plls and measuring vco characteristics: Systems and methods for measuring the characteristics of voltage controlled oscillators within these circuits and initializing the circuits without coupling circuitry to the voltage control node that could introduce noise at this node. One embodiment comprises a PLL circuit having a charge pump and control circuitry for driving the charge...

20060017478 - Delay-locked loop with feedback compensation: A delay-locked loop (DLL) with feedback compensation is provided to increase the speed and accuracy of the DLL. After the variable delay line of the DLL is adjusted to minimize phase error, multiple clock cycles may be required before the adjusted signal is fed back to the phase detector. During...

20060017479 - Method and apparatus for digital phase generation at high frequencies: An apparatus and method for generating phase related includes delaying a clock input by a cycle delay magnitude to generate a cycle delay signal and N delay taps is disclosed. Each delay tap has a delay equal to a fractional amount of the cycle delay magnitude. The method further includes...

20060017480 - Method and apparatus to set a tuning range for an analog delay: An apparatus and method for an analog fine delay line, a hybrid delay line, and a delay locked loop (DLL) is described. In the DLL, a coarse phase detector compares a reference signal and feedback signal in controlling coarse phase adjustment signals indicating whether a delay of a coarse delay...

20060017481 - Wave-shaping circuit: In a wave-shaping circuit, a charging switching element in series with an inductor is switched, a capacitor is charged with a back electromotive force generated by the inductor, a discharging switching element in series with a discharge resistor is switched, and the charge in the capacitor is discharged. By controlling...

20060017482 - Compensated schmitt trigger circuit for providing monotonic hysterisis response: A compensated Schmitt Trigger circuit for providing a monotonic hysterisis response, the circuit including a plurality of transistors connected in series and coupled to a common input signal at their control inputs, a feedback circuit connected to the output of the plurality of transistors, an inverter coupled to the output...

20060017483 - Pulse-based high-speed low-power gated flip-flop circuit: A high-speed gated flip-flop includes a latch configured to generate a data output signal (Q) in response to a data input signal (D) and a pair of true and complementary clock pulses (GCP,GCPB). These clock pulses are provided by a clock generator responsive to a periodic clock signal (CK). A...

20060017484 - Timing vernier using a delay locked loop: A method for synchronizing a plurality of programmable timing verniers with a reference pulse signal, each of the verniers being programmable to one of a plurality of timing steps within a delay range determined by a control signal applied to a bias input. A first and second control vernier is...

20060017485 - Variable delay circuit with faster delay data update: Delays induced to leading and trailing edges of an input pulse train are updated faster than before. First and second delay paths receive delay data for inducing delays to leading edges and/or trailing edges of an input pulse train. An OR circuit combines the outputs of the delay paths. First...

20060017487 - Semiconductor equipment: There is provided a semiconductor integrated circuit in which a source clock (S101) is inputted to a delay circuit (3), a counter circuit (6) is operated in response to a delay clock (S102) which is the output of the delay circuit (3), a clock used as a system clock by...

20060017486 - System and method for fully digital clock divider with non-integer divisor support: A system and method that use a first clock to digitally generate a second clock, wherein the ratio of the frequency of the first clock to the frequency of the second clock is a non-integer. Circuitry may be used to ensure that the first clock, or input clock, has a...

20060017488 - Mono-polarity switchable pcmo resistor trimmer: Using programmable resistance material for a matching resistor, a resistor trimming circuit is designed to reversibly trim a matching resistor to match a reference resistor. The programmable resistance materials such as metal-amorphous silicon metal materials, phase change materials or perovskite materials are typically used in resistive memory devices and have...

20060017489 - Circuit arrangement: An object of the present invention is to provide a circuit device in which the power consumption can be reduced without the dedicated signal. A circuit device (1) comprising a D flip-flop (F0) for receiving a pulse of a clock signal (CK) to introduce data thereinto and output said introduced...

20060017490 - Dc voltage converter: A DC voltage converter is provided that cyclically converts an input-side supply voltage into an output voltage. The converter includes an inductive storage element connected between a terminal for the supply voltage and, in a manner such that it is coupled via a first switch, a reference potential terminal. The...

20060017491 - Charge pump generator and relative control method: The electric charge transferred in a charge transfer phase from the pump capacitor to the tank capacitor is diminished by reducing the amplitude of the voltage swing on the transfer capacitor proportionally to the current to be supplied. This is done by limiting the maximum voltage on the pump capacitor...

20060017492 - Precision, low drift, closed loop voltage reference: A voltage reference circuit receives an input voltage through a first port and a time varying input signal through a second port. The voltage reference circuit includes a switching circuit that is responsive to the first and the second ports and that generates an AC signal from the input voltage....

20060017493 - Precision, low drift, stacked voltage reference: A voltage reference circuit receives an input voltage at a first port and a time varying input signal at a second port. The voltage reference circuit includes a switching circuit that is responsive to the first and second ports, and that generates an AC signal from the input voltage. The...

20060017494 - Semiconductor integrated circuit device: A semiconductor integrated circuit device with reduced consumption current is provided. A first step-down circuit stationarily forms internal voltage lower than supply voltage supplied through an external terminal. A second step-down circuit is switched between first mode and second mode according to control signals. In first mode, the internal voltage...

20060017495 - Symmetrically matched voltage mirror and applications therefor: A voltage mirror circuit using a symmetrically matched transistor structure is provided. The circuit includes an input reference voltage node on a first side of said circuit and an output mirror voltage node on a second side of said circuit, and a plurality of matched transistor pairs wherein the transistors...

20060017496 - Step-down power supply: A step-down power supply receives an external power supply voltage and supplies power at a reduced voltage from an output node to a load. The power supply also receives a reference voltage and a control signal indicating the whether the load is active or not. The reduced power supply voltage...

20060017497 - Self-timed multiple blanking for noise suppression during flag generation in a multi-queue first-in first-out memory system: A write counter provides a write count value synchronized with a write clock signal. A read counter provides a read count value synchronized with a read clock signal. The read and write count values are routed through logic, which introduces noise to these values. A first delay circuit generates a...

20060012402 - High speed source synchronous signaling for interfacing vlsi cmos circuits to transmission lines: A system of the present invention uses small swing differential source synchronous voltage and timing reference (SSVTR and /SSVTR) signals to compare single-ended signals of the same slew rate generated at the same time from the same integrated circuit for high frequency signaling. The SSVTR and /SSVTR signals toggle every...

20060012403 - Systems and methods for controlling timing in a circuit: Systems and methods for reducing or eliminating the effect of timing variations in signals generated by devices that are subject to the history effect, wherein devices are enabled using a combination of timing signals, some of which are subject to timing variations arising from the history effect, and some of...

20060012404 - Low voltage comparator: An integrated circuit comparator comprises a differential amplifier, a source follower circuit coupled to a gate terminal of a first transistor in the differential amplifier, and an output circuit. One or more source follower circuits may be utilized in connection with the differential amplifier, and one or more source follower...

20060012405 - Dual polarity, high input voltage swing comparator using mos input transistors: A differential input comparator circuit comprises an input stage comprising dual polarity input voltages and an output stage adapted to output a differential voltage based on the input voltages, wherein the differential voltage is adapted to be transmitted to a comparator and wherein the circuit has high input impedance and...

20060012408 - Differential clock input buffer: A compact, differential clock input buffer that converts single-end or differential sine wave or square wave inputs into complementary squarewave digital outputs, with low-jitter, and 50% duty cycle outputs. Low-noise oscillator design concepts are applied to provide at least two stages of regeneration. This minimizes the time the clock buffer...

20060012406 - Output buffer with selectable slew rate: A buffer design for an integrated circuit that has adjustable slew rate control, yet requires significantly less space to fabricate than does a conventional buffer with slew rate control. A new slew rate control circuit design is added to a Complementary Metal Oxide Semiconductor CMOS buffer to implement slew rate...

20060012407 - Output driver circuit with reduced rf noise, reduced power consumption, and reduced load capacitance susceptibility: According to an exemplary embodiment, an output driver circuit includes a pre-conditioning circuit. The output driver circuit further includes a timing control circuit coupled to an output of the pre-conditioning circuit, where the timing control circuit has a first state and a second state. The output driver circuit further includes...

20060012409 - Power on reset circuit: A power on reset (POR) circuit for providing a reset pulse signal to a chip when power supply voltage, VDD, ramps up so that the chip always starts in a known state. The POR circuit generates the reset pulse as soon as VDD exceeds an assertion voltage. The assertion voltage...

20060012410 - Measure-controlled delay circuits with reduced phase error: Measure-controlled delay (MCD) circuits are provided for synchronizing an output clock to an input clock. In response to triggering of a measure circuit, sample circuits sample outputs of a measure delay array. Sample reset logic prevents output of the output clock when any of a predetermined one or more of...

20060012411 - Turn-on sus transmitter with controlled slew rate: An amplifier/driver (40) for a bus has an output transistor (M1) that is controlled by a controlled current source (I1). In a quiescent state, the output transistor is configured as part of a current mirror (M1, M11) that maintains a gate-source voltage on the output transistor above the threshold voltage...

20060012412 - Method and apparatus for reducing duty cycle distortion of an output signal: A method and apparatus for reducing the duty cycle distortion of a periodic signal in high speed devices. More specifically, there is provided a device having a switching point modulation circuit coupled to input logic and configured to modulate the periodic output signal from the input logic such that the...

20060012413 - High reliability triple redundant latch with integrated testability: In a preferred embodiment, the invention provides a circuit and method for a high reliability triple redundant latch with integrated testability. Three settable memory elements set an identical logical value into each settable memory element. After the settable memory elements are set, a voting structure with inputs from the second...

20060012414 - Circuit and method for generating a polyphase clock signal and system incorporating the same: A circuit for, and method of, generating a polyphase clock signal and a synchronous data processing system incorporating the circuit or the method. In one embodiment, the circuit includes: (1) R-S latch delay elements connected in a ring and configured to generate a circulating sequence of logic signals and (2)...

20060012415 - Boost-biased level shifter: A boost-biased level shifter is described. In the preferred embodiments of the present invention, a voltage divider circuit divides the high voltage applied on the receiver circuit that receives the input signal, a refresh and self-bias circuit maintains and refreshes a bias voltage that is high enough to turn on...

20060012416 - Method to reduce inductive effects of current variations by internal clock phase shifting: Modularized clock decoupling and signal delay management is provided for the purpose of reducing simultaneous binary signal switch-induced inductive voltage transients in lower voltage synchronous semiconductor devices. The voltage levels in low-voltage devices must be tightly maintained for proper transistor logic operations. Signal switching results in current changes on the...

20060012417 - Switching circuit for current measurement range resistor and current measurement apparatus including switching circuit: A switching circuit includes at least two first semiconductor switches, each having a first input portion and a second input portion; range resistors that are provided between output portions of the first semiconductor switches and a device under test and that have different resistances from each other; a second semiconductor...

20060012418 - Low power design for fuse control circuit: A blocking section is inserted between the control section and the fuse section of a fuse control logic circuit. The blocking section comprises switching means which block the flow of DC current during a power-up sequence and thus avoids the collapse of the power supply voltage with the attending potential...

20060012419 - Input stage circuit of semiconductor device: Disclosed is an input stage circuit of a semiconductor device which is effective for preventing a reference voltage fluctuation. The input stage circuit of the semiconductor memory device includes: a reference voltage input pin connected to an external reference voltage terminal, wherein the reference voltage is used for determining a...

20060012420 - 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...

20060012421 - Printed-circuit board, electronic part having shield structure, and radio communication apparatus: In a fitting region for a SAW filter which includes langasite as its piezoelectric element, there are included an input side terminal electrode and an output side terminal electrode which are connected to an input terminal and to an output terminal of the SAW filter. To each of the terminal...

20060006909 - Clock switching circuit: A clock switching circuit comprises: a composite clock generation circuit, which is to receive a first clock, a second clock, and a clock switching execution signal for switching between the first clock and the second clock, and to make a level of the clock fixed to be a second level...

20060006910 - Differential current output unit: The invention provides a differential current output unit that has a least number of capacitors and a minimized chip area on one hand, and on the other hand that is capable of providing a smoothly varying output current across a zero-crossing point in accord with an inputted difference input voltage....

20060006911 - Driving circuit for electrical nailing gun: A driving circuit for electrical nailing gun is disclosed to include a capacitive charging/discharging unit formed of a first resistor, a first diode, and a capacitor connected in series and connected with two opposite ends thereof to the positive and negative poles of AC power source, an excited field unit...

20060006912 - Driver circuit and a method for matching the output impedance of a driver circuit with a load impedance: A line driver circuit with an output impedance that is set to a value which is based at least in part on the impedance of one or more current sources of the driver circuit. The current source impedance varies depending on the desired output amplitude of the driver circuit. Once...

20060006913 - Integrated circuit comprising series-connected subassemblies: The integrated circuit comprises subassemblies connected in series enabling synchronization of the subassemblies to be achieved in simple manner. Each subassembly comprises a first and a second power supply terminal and a clock input. The subassemblies are connected in series to the terminals of a voltage supply source so that...

20060006914 - Method of implementing multi-transfer curve phase lock loop: A phase-lock loop (PLL) has an oscillator comprising a plurality of operating curves. A method for implementing a multi-transfer curve in a phase lock loop. By means of a finite state machine cooperating with a current cell, the unwanted loop gain is effectively reduced to produce a wide-ranging operating curve....

20060006915 - Signal slew rate control for image sensors: An imager with a slew rate control circuit that uses multiple digital control signals to control the rising and falling slew rates of boosted signals, such as transistor gate signals, and/or supply voltages used by an imager or other device. By using digital signals, the invention provides slew rate control...

20060006916 - Method and apparatus for controlling a circuit with a high voltage sense device: A control circuit with a high voltage sense device. In one embodiment, a circuit includes a first transistor disposed in a first substrate having first, second and third terminals. A first terminal of the first transistor is coupled to an external voltage. A voltage provided at a third terminal of...

20060006917 - Method for dynamic balancing of a clock tree: The present invention provides a method to balance a clock tree dynamically. A controllable buffer is inserted in a specific level of a clock tree, and a controller is provided for adjusting two clocks with different skew by controlling the PMOS/NMOS arrangements in the controllable buffer so as to generate...

20060006918 - Clock distribution network using feedback for skew compensation and jitter filtering: A clock distribution network for clock distribution in an integrated circuit (IC) using digital feedback for skew compensation and jitter filtering. In an embodiment, a number of clock processor nodes are distributed throughout the clock distribution network on the IC at respective local clock regions. A master clock generator generates...

20060006919 - Level shift circuit: A level shift circuit having a latch function includes a precharging PMOS transistor MP1 which is turned on in a precharge period to interrupt a through current of an input stage, an NMOS transistor MN1 which inputs data and performs discharging in a data input period, and a transistor MP2...

20060006920 - Level shifting circuit: Described is a level shifting device for high-frequency operation. The level shifting device includes first through fifth transistors. The first transistor has its gate connected to an input signal, its source connected to the voltage node at an lower voltage value, and its drain connected to an output signal. The...

20060006921 - Mixer: A mixer core is provided which has a pair of CMOS transistors 21 and 22 connected as a matched pair and having a common source node N1. The CMOS transistors have a non-linear parasitic capacitance which degrades the harmonic performance of the mixer core. An inductor is connected to the...

20060006922 - Circuit arrangement having a power transistor and a drive circuit for the power transistor: the first drive unit has a second current source arrangement (S2off, Iq2; S2off, Iq2, Iq21), which is connected to the output (AK) and which provides a current (I2; I2, I21) that is dependent on a temporal change in a terminal potential (Vd) at the first load path terminal (D) of...

20060006923 - Apparatus and method for improving drive-strength and leakage of deep submicron mos transistors: An apparatus and method for manufacturing metal-oxide semiconductor (MOS) transistors that are operable at voltages below 1.5V, which MOS transistors are area efficient, and where the drive strength and leakage current of the MOS transistors is improved. The invention uses a dynamic threshold voltage control scheme that does not require...

20060006925 - Booster circuit: The present invention relates to a booster circuit of a non-volatile memory requiring a plus or minus high voltage equal to or higher than a power-supply voltage. The present invention can generate a high voltage of approximately 12 V even at a low power-supply voltage equal to or lower than...

20060006926 - Potential detector and semiconductor integrated circuit: An integrated semiconductor circuit has a potential detector for detecting a potential boosted by a high voltage generator. One terminal of a first capacitor is connected to a potential detection terminal via a first switching device, the other terminal thereof being connected to a reference potential terminal. A terminal of...

20060006924 - Voltage doubler circuit: The invention relates to a voltage processing unit comprising an integrated charge pump 11 for multiplying a voltage Vx applied to an input of the integrated charge pump 11 by a predetermined factor Xm. In order to enable a multiplication of an available voltage by a desired factor with a...

20060006927 - Reference voltage generator circuit: A reference voltage generator circuit includes: a band gap circuit that outputs a predetermined voltage to an output terminal; a plurality of current mirror circuits, a gate electrode of at least one of which being coupled with one current path, and a gate electrode of at least another one of...

20060006928 - Voltage generating circuit with two resistor ladders: A voltage generating circuit that drives multiple output terminals in alternating positive and negative cycles has two resistor ladders, one resistor ladder generating voltages for the positive cycles, the other resistor ladder generating voltages for the negative cycles. Single-ended amplifiers are connected directly to the resistor ladders, and a switching...

20060006929 - Systems and methods for minimizing static leakage of an integrated circuit: To minimize static leakage of an integrated circuit, a charge pump generates a negative voltage to be applied to a “sleep” transistor cascaded to a logic gate of the integrated circuit. An adaptive leakage controller determines continuously or periodically whether to adjust the negative voltage to minimize the static leakage....

20060006930 - Method for realising an electronic circuit having a desired filter transfer function and electronic circuit architecture for realising such a filter transfer function: Electronic circuit (F) including input terminals (IN1,IN2) and output terminals (OUT1, OUT2) between which a desired filter transfer function (F(s) )is realised by said electronic circuit when an input signal is applied between said input terminals (IN1,IN2) is characterised in that said electronic circuit (F) includes at least one first...

20060006931 - Transconductance filter circuit: Transconductance filter circuits. A transconductor includes two inputs for receiving two differential voltages, and a first output terminal and a second output terminal for outputting two differential signals. A first capacitor array includes at least one first switch capacitor unit controlled by a first signal, and a first equivalent capacitor...

20060006932 - Break-before-make sensing for drivers: A driver package includes an integrated circuit (IC) comprising pull up circuitry capable of turning ON an associated switch and pull down circuitry capable of turning OFF the associated switch. The pull up circuitry may be coupled to a first bonding pad of the IC, and the pull down circuitry...

20060001453 - Method to implement hysteresis in a mosfet differential pair input stage: A simplified comparator circuit (10) having hysteresis and lower power requirements for its implementation. The circuit (10) includes 2 minimum-sized MOSFETs (MN4, MN5) providing feedback from the circuit output to an input device (MN1) body to produce hystereis, requiring very little power. This invention is suitable for applications not requiring...

20060001454 - Microcode-initiated high speed comparator: A microcode-initiated high speed comparator in an optical transceiver includes an initialization and control section consisting of various register sets, an analog section with comparator hardware, and an output retrieval section. The comparator hardware performs comparison on a wide-range of selectable input values, thereby avoiding the need for a dedicated...

20060001455 - Circuit and method for performing track and hold operations: A circuit and method for performing track and hold operations utilizes a circuit configuration in which a hold capacitor connected to a track signal path can be selectively isolated from an input signal applied to a control device on a common signal path by a switching mechanism, which is used...

20060001457 - High current charge pump for intelligent power switch drive: A current limiting driver circuit for a semiconductor power switch and a switching device including same. The driver circuit includes a sensing circuit for providing a signal representing the current flowing through the semiconductor power switch, a driver circuit for the power switch, a driver circuit for the sensing circuit....

20060001456 - Low voltage driver: The present invention is related to a driver circuit comprising an input, an output and at least one low-ohmic switch. The switch is provided with an input terminal and two output terminals. The driver circuit further comprises a first feedback arrangement in a low-voltage CMOS technology, inputting the voltage of...

20060001459 - Anti-cross conduction drive control circuit and method: An anti-cross conduction driver control circuit and method prevent the occurrence of race conditions and avoid cross-conduction between series-connected power devices, typically MOSFETs, controlled in accordance with the present invention. Individual state machines are connected across the inputs and outputs of each power device driver, and are arranged to accurately...

20060001458 - Semiconductor device having cmos driver circuit: Voltages of nodes are controlled in accordance with an input signal using inverters. A voltage level of a transistor is adjusted using a transistor included in the inverter. By setting a gate voltage supplied to a gate of the transistor lower than a power supply voltage and higher than an...

20060001460 - Static frequency divider for microwave applications: A static frequency divider circuit includes a first and second latch that are interconnected by a series path circuit and by a feedback path circuit. Each of the latches includes a reading branch and a latching branch. The series path circuit includes a push-pull current driver to speed state transitions...

20060001461 - Triangular wave generating circuit adapted to class-d amplifier: A triangular wave generating circuit adapted to a class-D amplifier is designed not to use a PLL circuit and to secure robustness regarding an amplification gain irrespective of variations of voltages, thus producing a high-quality triangular wave with a simple circuit constitution. First and second constant currents, which are generated...

20060001462 - Digital duty cycle corrector: A method for adjusting the relative phases of two signals includes receiving first and second signals, which may, for example, be derived from a differential clock signal. A duty cycle error between the first signal and the second signal is detected by comparing a phase component of the first signal...

20060001463 - Digital delay locked loop capable of correcting duty cycle and its method: An apparatus for adjusting a clock signal, including: a clock multiplexing unit for receiving an external clock signal, an external clock bar signal and a feed-backed clock signal in order to select one of the external clock signal and the external clock bar signal as an output signal of the...

20060001464 - Digital pll circuit: A frequency comparator compares frequencies of a reference clock and an output clock to output a frequency comparison signal. A frequency variable circuit is composed of a delay circuit, which has a plurality of inverting circuits connected in series, and a first selection circuit. The first selection circuit selects one...

20060001465 - Register controlled delay locked loop and its control method: A register controlled delay locked loop (DLL), including: a coarse delay line for generating a delayed input clock signal by delaying an external clock signal; a fine delay line unit for receiving the delayed input clock signal in order to generate a first fine delayed clock signal and a second...

20060001466 - Method for shaping signal pulses: The invention relates to a method and apparatus for shaping an input signal Son which is input to a multi-stage amplifier arrangement, to provide a definable output signal contour Soff. Individual amplifier stages are controlled by a control signal generated by a pulsed current source of a definable pulse length...

20060001467 - Pulse width modulation circuit: In a pulse width modulation circuit, a multiphase clock generation section generates a multiphase clock signal according to a reference clock. Then, a pulse width modulation signal is generated according to input data and the multiphase clock signal generated by the multiphase clock generation section. The multiphase clock generation section...

20060001468 - Clock control cell: A clock control cell for production of an output clock signal from an input clock signal has a hold element and an output stage. The hold element is preceded by a signal level converter, with the signal level converter designed such that it converts an input signal to an output...

20060001469 - Using active circuits to compensate for resistance variations in embedded poly resistors: Variations in the actual resistance of a target poly resistor in a semiconductor integrated circuit can be compensated for by using an active circuit that provides a negative resistance in parallel with the target resistor. This produces a tuned resistance that is closer to a desired resistance than is the...

20060001470 - Floating gate analog voltage level shift circuit and method for producing a voltage reference that operates on a low supply voltage: A floating gate voltage level shift circuit is disclosed for generating a voltage reference which can operate on a low supply voltage Vcc by providing a circuit that enables the floating gate to be set accurately to a positive voltage during a SET operation and subsequently shifted down to a...

20060001471 - Linear multiplier circuit: A linear multiplier circuit comprises a first, a second, a third and a fourth transistor, each having a drain, a source, a gate and substantially an identity threshold voltage. Each of these four transistors operates with a fixed drain-to-source voltage applied between the drain and source, a gate-to-source voltage applied...

20060001472 - Mixer circuit: A mixer includes two transistor circuits, two control inputs, two RF inputs and two IF outputs, wherein, for switch-support, there are provided positive feedback elements and impedance elements, by which intermodulation strength, stability and noise performance of the mixer circuit are improved....

20060001473 - High frequency switching circuit device: A diode logic circuit which can select a high voltage from among the voltages of a number of control voltage input terminals using a number of diodes made of Schottky junctions is integrally formed on a compound semiconductor substrate on which MESFET stages for switching and for securing isolations have...

20060001474 - Method of controlling a charge pump generator and a related charge pump generator: The method controls a charge pump generator having at least an output tank capacitor on which a regulated output voltage of the generator is produced, and a pump capacitor that is connected to a supply node and to ground during charge phases and is coupled in an anti-parallel configuration to...

20060001478 - Apparatus for generating internal voltage in test mode and its method: An apparatus for receiving a first supply voltage in order to generate an internal voltage includes a control signal generating block for receiving a control enable signal and a clock signal and generating a pumping control signal having a period determined by one of the control enable signal and the...

20060001475 - Class-ab beta helper to reduce effects of mirror perturbation: The present invention achieves technical advantages as a write head mirror circuit (30) having a Class-AB beta helper (32) providing immunity to severe perturbations of mirror current at the mirror circuit output. The typical single transistor beta helper is replaced with a Class-AB beta helper, advantageously preventing the beta helper...

20060001476 - Current stabilization circuit, current stabilization method, and solid-state imaging apparatus: A circuit for stabilizing an electric current includes a constant voltage supplying circuit configured to supply a constant voltage, and a current generating circuit coupled to the constant voltage supplying circuit to generate an electric current based on a predetermined voltage responsive to the constant voltage and to adjust a...

20060001477 - High voltage generator: Disclosed is a high voltage generator comprising: a first voltage level detector for detecting a voltage level of the high voltage; a second voltage level detector for detecting difference between the high voltage and a power supply voltage; a high voltage pump for performing a pumping operation to generate a...

20060001479 - High voltage tracking bias voltage: Methods and apparatuses associated with providing a bias voltage for an n-type and a p-type device. A high voltage may be received and used to derive a bias voltage that would reduce a risk of gate-aided breakdown of the drain-to-substrate channel-side pn-junction in an n-type device. The high voltage may...

20060001481 - Semiconductor device including current mirror circuit: A semiconductor device including a plurality of current mirror circuits is disclosed. The current mirror circuits having reference input terminals and output terminals respectively. Each of the reference input terminals is provided with a current having a different current value. Each of the output terminals of the current mirror circuits...

20060001480 - Stress tolerant high voltage back-to-back switch: Methods and apparatuses associated with stepping down a high voltage in a high voltage switch. An additional transistor may be coupled to a switching transistor, and the additional transistor biased to a voltage level in between the high voltage to be switched and a switch reference voltage. When the switch...

20060001482 - Filter device: A filter device is provided that can easily achieve reduction in current consumption and whose variations can be corrected. A phase difference of a reference filter is detected by a phase difference detector, a control signal for correcting variations that is obtained as a result of the detection is held...