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US20140118029 HIGH VOLTAGE OFFSET DETECTION CIRCUIT  
A high voltage half-bridge driver circuit has a high voltage terminal and a floating node to be connected with a high side switch therebetween. When turning on the high side switch, a high voltage...
US20110301475 VOLTAGE-FREQUENCY CONVERSION CIRCUIT AND BLOOD PRESSURE MEASUREMENT DEVICE EQUIPPED WITH SAME  
A resistor element is arranged between an input terminal and a node. A switch element is arranged between the node and a ground voltage, and is conducted according to a voltage level of the node. A...
US20110267138 Synchronous rectifier circutits  
This invention relates in Synchronous Rectifier Circuits, comprises: AC input terminal, switch, driving circuit, protect opposite current circuit and a load, to improved conventional Synchronous...
US20140118073 CANCELLATION OF DYNAMIC OFFSET IN MOS RESISTORS  
A circuit utilizes a MOS device in a triode mode of operation and includes a biasing circuit and a MOS device. The MOS device has a drain, a source, and a gate terminal, and is coupled to the...
US20130093504 REFERENCE VOLTAGE GENERATORS, INTEGRATED CIRCUITS, AND METHODS FOR OPERATING THE REFERENCE VOLTAGE GENERATORS  
A reference voltage generator is described. The reference voltage generator includes a proportional to absolute temperature (PTAT) current source, the PTAT current source being capable of providing...
US20120146715 Temperature Independent Reference Circuit  
A temperature independent reference circuit includes first and second bipolar transistors with commonly coupled bases. First and second resistors are coupled in series between the emitter of the...
US20110298529 Temperature independent reference circuit  
A temperature independent reference circuit includes first and second bipolar transistors with commonly coupled bases. First and second resistors are coupled in series between the emitter of the...
US20110121889 Temperature independent reference circuit  
A temperature independent reference circuit includes first and second bipolar transistors with commonly coupled bases. First and second resistors are coupled in series between the emitter of the...
US20140111259 POWER-ON RESET CIRCUIT  
A power-on reset circuit includes a power confirmation module and a reset signal generator. The power confirmation module receives a supply voltage and generates a reference voltage and a...
US20110115533 POWER-ON-RESET CIRCUIT WITH BROWN-OUT RESET FOR MULTIPLE POWER SUPPLIES  
A power-on reset circuit includes a first circuit and a second circuit. The first circuit include a first NMOS transistor having a gate controlled by a low voltage supply VDD_L, a resistor...
US20130335132 CIRCUIT SHARING TIME DELAY INTEGRATOR  
The present invention discloses a circuit sharing time delay integrator structure. The major composing elements of this circuit sharing time delay integrator structure are: a sharing circuit, a...
US20120235731 CONTINUOUS TUNABLE LC RESONATOR USING A FET AS A VARACTOR  
A varactor includes a field effect transistor (FET) integrated with at least a portion of a bipolar junction transistor (BJT), in which a back gate of the FET shares an electrical connection with a...
US20140108826 COMPACT LOW POWER LEVEL SHIFTER FOR DUAL RAIL  
The described apparatus and methods may include a first shifting stage configured to receive a signal having an upper power rail at a first voltage level and a lower power rail at a second voltage...
US20110068838 ELECTRONIC DEVICE FOR POWER-ON-RESET  
An electronic device is provided that includes a power-on-reset (POR) circuit. The POR circuit includes a trigger stage configured to change an output if a first power supply voltage level exceeds...
US20120319758 BI-FET CASCODE POWER SWITCH  
Power switch devices for high-speed applications are disclosed. The power switch device includes a depletion mode field effect transistor (D-FET), an enhancement mode field effect transistor...
US20120182062 TEMPERATURE SENSOR DEVICE  
Provided is a temperature sensor device operable at a lower voltage. The temperature sensor device detects temperature based on an output voltage of a forward voltage generator for generating a...
US20120019310 TRIMMER CIRCUIT AND METHOD  
A trimmer circuit is so configured that an electronic device will break down to produce a high current to trim a fuse. The electronic device is selectively configured to have a breakdown voltage...
US20120223764 ON-CHIP CONTROL OF THERMAL CYCLING  
A method, system, and computer program product for on-chip control of thermal cycling in an integrated circuit (IC) are provided in the illustrative embodiments. A first circuit is configured on...
US20110156770 AUTO-RESTART CIRCUIT AND AUTO-RESTART METHOD  
Disclosed is an auto-restart circuit and auto-restart method. A main integrated circuit (IC) of a main stage controls a switching operation of at least one power switch. The auto-restart circuit...
US20120126881 MEMS SENSOR USING MULTI-LAYER MOVABLE COMBS  
A MEMS sensor comprises a substrate and at least one proof mass having a first plurality of combs, wherein the proof mass is coupled to the substrate via one or more suspension beams such that the...
US20140111274 PROGRAMMABLE REVISION CELL ID SYSTEM AND METHOD  
An integrated circuit comprising a plurality of metal programmable revision identification (MPRI) cells, wherein each MPRI cell further comprises a plurality of metal layers, a plurality of vias...
US20130222037 VOLTAGE LEVEL SHIFTER  
A voltage level shifter has an input circuit with an inverter coupled to an input node, a pull-down control transistor with a gate coupled to a first node of the inverter, and a pull-up control...
US20130187687 POWER-ON RESET CIRCUIT AND METHOD OF USE  
The disclosed power-on reset circuit provides an indication of when and whether a supply voltage Vdd has reached a trigger voltage level Vtrig. The disclosed circuit includes a flip-flop circuit...
US20130106473 POWER-ON RESET CIRCUIT AND METHOD  
The disclosed power-on reset circuit provides an indication of when and whether a supply voltage Vdd has reached a trigger voltage level Vtrig. The disclosed circuit includes a flip-flop circuit...
US20110309873 CIRCUIT HAVING GATE DRIVERS HAVING A LEVEL SHIFTER  
A circuit comprises a first level shifting circuit. The level shifting circuit comprises a first and second latching differential pairs. The first latching differential pair has first and second...
US20100327947 Circuit and Method for Controlling the Secondary FET of Transformer Coupled Synchronous Rectified Flyback Converter  
A secondary FETsc control circuit is disclosed for controlling FETsc of transformer coupled synchronous rectified flyback converter (TCSC). The control circuit includes source-drain voltage VSD...
US20110254602 LOCKSTEP SYNCHRONIZATION AND MAINTENANCE  
A method and circuit are provided for synchronizing a first circuit and a second circuit. The first and second circuits are signaled to each generate respective waveform outputs. A phase difference...
US20110050286 TEMPERATURE SENSING CIRCUIT  
A temperature sensing circuit that does not use an oscillator is presented. The temperature sensing circuit includes a selector and a detector. The selector is configured to select and output a...
US20110012668 PROGRAMMABLE EFUSE AND SENSE CIRCUIT  
A circuit for electric fuses includes circuits for sensing status and programming that have separate paths for each operation. The circuit includes a plurality of electrically programmable fuses...
US20130321050 DELAY-LOCKED LOOP  
A delay-locked loop to control a delay amount of an external clock based on phase comparisons of a feedback clock acquired by delaying a DLL clock and the external clock and generate the DLL clock...
US20120176185 TECHNIQUES FOR ATTENUATING RESONANCE INDUCED IMPEDANCE IN INTEGRATED CIRCUITS  
Provided is an integrated circuit system and method for biasing the same that features bifurcating a power distribution network to provide a bias voltage to the integrated circuit system. One of...
US20120187995 ERROR AMPLIFICATION CIRCUIT, CONTROL METHOD FOR ERROR AMPLIFICATION CIRCUIT, AND SWITCHING REGULATOR EMPLOYING ERROR AMPLIFICATION CIRCUIT  
An error amplification circuit includes an integrated circuit and a phase compensation capacitor. The integrated circuit includes an error amplifier to amplify a difference between a predetermined...
US20100308888 Driver circuit  
A driver circuit including a pre-driver B1 that operates by receiving operating power from a first power supply VDDI, and a main-driver B2 that receives operating power from a second power supply...
US20130063201 REFERENCE VOLTAGE CIRCUIT  
Provided is a reference voltage circuit for generating a low constant voltage (1.25 V or lower) having less temperature dependence. The reference voltage circuit includes: a bandgap voltage...
US20110068849 Active Monostable Positive Transient Protection Circuit for a Capacitive Load  
An electrically noisy D.C. power source having high slew rate A.C. transient voltage, is cut off from a capacitive load by a switchable, constant slew rate voltage source, upon the detection of an...
US20100308902 REFERENCE VOLTAGE GENERATORS FOR INTEGRATED CIRCUITS  
A reference voltage generator circuit may include at least one MOS transistor and at least one bipolar transistor coupled together to provide an electrical path from an input reference potential to...
US20130016449 SELF-DEFENSE SYSTEM  
In an embodiment, a self-defense system is disclosed. The self-defense system may include or comprise a material sized to conform to an appendage, and a defense unit coupled with the material and...
US20110236027 VOLTAGE GENERATOR, CONTROL CIRCUIT, VECTOR SUM PHASE SHIFTER, AND OPTICAL TRANSCEIVER  
A voltage generator (400) includes a resistor ladder including resistors (4000-4008) which divide a supplied voltage to generate a plurality of reference voltages, a resistor (4009) provided...
US20120286856 PROGRAMMABLE NOISE FILTERING FOR BIAS KICKBACK DISTURBANCES  
A system and method are disclosed for reducing the kickback disturbance in an electronic circuit. The system is based on the coupling of a programmable noise filter between bias blocks. In one...
US20130258722 PHASE-CUT PRE-REGULATOR AND POWER SUPPLY COMPRISING THE SAME  
A power supply includes a phase-cut pre-regulator. The phase-cut pre-regulator comprises a switching device connected between a line voltage and an input voltage of a bulk capacitor and a...
US20110133829 FEEDBACK CIRCUIT WITH FEEDBACK IMPEDANCE MODULATION FOR IMPROVING POWER SAVING  
A feedback circuit with feedback impedance modulation according to the present invention comprises a compare circuit, a counter and a switching resistor circuit. The compare circuit receives a...
US20130328620 VOLTAGE REFERENCE CIRCUIT BASED ON TEMPERATURE COMPENSATION  
The present invention pertains to a voltage reference circuit based on temperature compensation, comprising positive and negative temperature coefficient generating units, temperature compensation...
US20140009215 TOUCH INTERFACE USING PATTERNED BULK AMORPHOUS ALLOY  
Touch sensing systems comprising bulk-solidifying amorphous alloys and methods of making touch sensing arrays and electronic devices containing touch sensitive screens that include arrays...
US20130241615 HIGH VOLTAGE SWING DECOMPOSITION METHOD AND APPARATUS  
A voltage swing decomposition circuit includes first and second clamp circuits and a protection circuit. The first clamp circuit is configured to clamp an output node of the first clamp circuit at...
US20120049959 HIGH POWER-SUPPLY REJECTION RATIO AMPLIFYING CIRCUIT  
The embodiments of the present invention disclose a high power-supply rejection ratio (PSRR) amplifier circuit. The amplifier circuit comprises a low dropout regulator, a negative charge pump and...
US20130307586 Zero-Crossing Detector for Industrial Control with Low Heat Dissipation  
An I/O circuit for use with an industrial controller provides a zero-crossing detector circuit with low power dissipation through the use of a zero-crossing circuit that activates a light emitting...
US20120119821 INTEGRATED CIRCUIT FOR EMULATING A RESISTOR  
An integrated circuit for emulating a resistor is based on the output resistance of a non-linear circuit element, such as a transistor. In the case of a transistor, it is biased into operation in...
US20110175664 ELECTRONIC CIRCUIT  
A power-supply sequence-free electronic circuit is realized without the increase of the number of power supply detectors for detecting the rising of the power supply. The electronic circuit...
US20140002182 OUTPHASING POWER COMBINING BY ANTENNA  
Examples are disclosed for outphasing power combining by antenna. In some examples, a device such as a wireless device may route a first signal to a first branch of an outphasing power amplifier...
US20110260758 HALF-POWER BUFFER AMPLIFIER  
A half-power buffer amplifier is disclosed. A buffer stage includes a first-half buffer stage and a second-half buffer stage, wherein an output of the first-half buffer stage is controllably fed...