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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...
US20110181348 REFERENCE VOLTAGE GENERATING CIRCUIT AND ANALOG CIRCUIT USING THE SAME  
A reference voltage generating circuit includes a first power supply, a second power supply, a first variable resistance circuit having one end connected to the first power supply and configured to...
US20120098584 CIRCUIT AND METHOD FOR IMPROVEMENT OF A LEVEL SHIFTER  
A current limiter is connected between a voltage source and the level shifting latch of a level shifter for limiting the driving current for the level shifting latch under a threshold, to thereby...
US20130321029 INPUT DECISION CIRCUIT  
An input decision circuit includes a comparator outputting either one of a high voltage or a low voltage on the basis of the result of a comparison between a reference voltage and an input voltage,...
US20100321083 Voltage Level Translating Circuit  
A voltage level translating circuit that allows low voltage signals to be translated to higher voltages, a design structure utilized in the design, manufacture, and/or testing of the voltage level...
US20120092048 COMPENSATION OF PHASE LOCK LOOP (PLL) PHASE DISTRIBUTION CAUSED BY POWER AMPLIFIER RAMPING  
Disclosed herein are techniques, systems, and methods relating to compensation of phase disturbances of a phase lock-loop during power ramp up or down of a power amplifier. More specifically, a...
US20100315140 Compensation Of Phase Lock Loop (PLL) Phase Distribution Caused By Power Amplifier Ramping  
Disclosed herein are techniques, systems, and methods relating to compensation of phase disturbances of a phase lock-loop during power ramp up or down of a power amplifier. More specifically, a...
US20120013383 VOLTAGE CLAMP CIRCUIT AND INTEGRATED CIRCUIT INCORPORATING SAME  
A voltage clamp circuit includes a power supply, a first element connected with the power supply to output a constant current, a third element configured to allow a current to pass through when a...
US20130076423 Integrated Circuit With Delay Circuitry  
The delay circuit, such as a clock circuit, of an integrated circuit operates with tolerance of variation in temperature. For example, the delay circuit has a temperature dependent current...
US20130057335 POWER SUPPLY STABILIZING CIRCUIT OF SOLID-STATE IMAGING DEVICE  
According to one embodiment, a power supply stabilizing circuit includes at least one bias voltage generation circuit and at least one voltage supply circuit. The at least one bias voltage...
US20120188008 CIRCUIT WITH STACKED STRUCTURE AND USE THEREOF  
A circuit has a stacked structure having at least one symmetric FET at a bottom of the stack. More particularly, the circuit has a stacked structure which includes an asymmetric FET and a symmetric...
US20110148496 LEAKAGE CURRENT REDUCTION IN A SEQUENTIAL CIRCUIT  
A system and device for reducing leakage current in a sequential circuit is disclosed. In one embodiment, a system for reducing leakage current in a sequential circuit includes a combinational...
US20110267115 POWER-ON RESET CIRCUIT WITH SUPPRESSED CURRENT  
A power-on reset circuit includes a first monitor circuit that monitors a power supply voltage, an output circuit that outputs a reset release signal upon detection, by the first monitor circuit,...
US20120218012 ON-CHIP POWER-UP CONTROL CIRCUIT  
A power-up control circuit utilizes on-chip circuits, multiple voltages, a ring oscillator and counter, and edge and level detection circuits to guarantee reset during power-up conditions and...
US20130082749 RESET GENERATOR  
A reset circuit comprising: a first depletion mode device having a first terminal coupled to a node at a reset voltage and a second terminal for providing a reset signal to at least one device; and...
US20110128047 HALF-POWER BUFFER AMPLIFIER  
A half-power buffer amplifier includes a buffer stage having a first-half buffer stage and a second-half buffer stage. An output of the first-half buffer stage is controllably fed back to a...
US20110102049 CIRCUIT FOR GENERATING A REFERENCE VOLTAGE WITH COMPENSATION OF THE OFFSET VOLTAGE  
An embodiment of a circuit includes first and second branches, an amplifier, a compensation circuit, and a bias unit. The first and second branches are respectively operable to generate first and...
US20120187982 BUFFER CIRCUIT HAVING SWITCH CIRCUIT CAPABLE OF OUTPUTTING TWO AND MORE DIFFERENT HIGH VOLTAGE POTENTIALS  
A buffer circuit includes a first node receiving a first voltage, a second node receiving a second voltage lower than the first voltage, a third node, an output node driving the first voltage and...
US20110163801 Methods and Circuits for Optimizing Performance and Power Consumption in a Design and Circuit Employing Lower Threshold Voltage (LVT) Devices  
Methods and circuits for optimizing performance and power consumption in a circuit design and circuit employing one or more lower threshold voltage (Lvt) cells or devices are described. A base...
US20120235710 Circuit Arrangement with a MOSFET and an IGBT  
A circuit includes at least one FET and at least one IGBT that have their load paths connected in parallel. A voltage limiting circuit is coupled to a gate terminal of the at least one IGBT.
US20140091857 Ultra Low Travel Keyboard  
A keyboard or keyboard key that has a force sensor that measures the force imparted to the key when a user presses the key or rests a finger on a key. Key embodiments may also include an actuator...
US20130021091 POWER CONTROL CIRCUIT AND METHOD THEREFOR  
Power supply is facilitated. In accordance with one or more embodiments, a power regulator circuit includes first and second regulators and a controller for controlling operation of the power...
US20120119813 DIGITAL FAST DB TO GAIN MULTIPLIER FOR ENVELOPE TRACKING SYSTEMS  
A digital log gain to digital linear gain multiplier is disclosed. The digital log gain to digital linear gain multiplier includes a log gain splitter adapted to split a log gain input into an...
US20110234309 INTERNAL POWER SUPPLY VOLTAGE GENERATION CIRCUIT  
Provided is an internal power supply voltage generation circuit with which a through current of a logic circuit supplied with an internal power supply voltage does not depend on a power supply...