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US20120256676 MIXER CIRCUIT  
A driver circuit for supplying a drive signal to a mixer circuit comprising a first and second circuit branch and an operational amplifier. The first circuit branch receives an input signal and a...
US20110080191 System and Method for Clock-Synchronized Triangular Waveform Generation  
A triangular waveform generator is converted to a free running oscillator controlled by a calibration code. The free running oscillator can be synchronized to an external clock signal by comparing...
US20110006849 HARMONIC REJECTION MIXER AND HARMONIC REJECTION MIXING METHOD  
Provided are a harmonic rejection mixer and a harmonic rejection mixing method. A plurality of oscillator signals having a ⅓ duty cycle and uniform phase differences may be generated and a d...
US20120062293 INJECTION-LOCKED PHASE-LOCKED LOOP WITH A SELF-ALIGNED INJECTION WINDOW  
An injection-locked phase-locked loop (ILPLL) with a self-aligned injection window is disclosed. In the ILPLL, a phase detector is provided to detect a phase difference between a pair of...
US20120268185 COMPARATOR WITH ADAPTIVE TIMING  
An adaptive delay device that provides a delay to a signal based on circuit conditions such as temperature, supply voltage values and/or fabrication processes. The adaptive delay device may respond...
US20120161828 Clock Generating Circuit and Clock Generating Method  
A clock generation circuit is provided, having a bandgap reference circuit, a frequency controlled resistor, a comparison circuit and a voltage controlled oscillator. The bandgap reference circuit...
US20110025379 LATCHED COMPARATOR AND METHODS THEREFOR  
A compare cycle of a comparator includes a precharge phase and a compare phase. During the precharge phase, a node of the comparator is precharged to a defined voltage. In addition, during the...
US20110012643 APPARATUS AND METHOD FOR TESTING SENSE AMPLIFIER THRESHOLDS ON AN INTEGRATED CIRCUIT  
An apparatus and method for testing sense amplifier threshold voltages on an integrated circuit includes one or more sense amplifier modules each including a number of sense amplifier circuits, a...
US20120056766 NON-LINEARITY CORRECTION THAT IS INDEPENDENT OF INPUT COMMON MODE, TEMPERATURE VARIATION, AND PROCESS VARIATION  
In pipeline analog-to-digital converters (ADCs) the third harmonic can degrade the performance of the ADC, and conventional circuits that attempt to cancel this third harmonic are oftentimes...
US20100019828 ANALOG MULTIPLEXER WITH INSULATION POWER SUPPLY  
An analog multiplexer with an insulated power supply includes: an analog signal transformer receiving an analog signal input in its primary winding via an FET, and ON/OFF driving the FET to...
US20130027093 PLL  
One embodiment provides a phase-locked loop (PLL), in which a sequencer controls a loop filter such that, when a signal indicating turning-off of a power supply of the PLL is input thereto, or when...
US20130113541 LOW POWER LEVEL SHIFTER WITH OUTPUT SWING CONTROL  
A level shifter comprising a first driver transistor receiving an input signal. A gate-controlled transistor coupled to the first driver transistor. A second driver transistor coupled to the gate...
US20110012853 TOUCH PANEL  
A touch panel includes a sensing layer, which has a plurality of sensing lines extending along a first direction and arranged in a row along a second direction. Each of the sensing lines...
US20110227623 DUTY CYCLE CORRECTING CIRCUIT AND DUTY CYCLE CORRECTING METHOD  
A duty cycle correcting circuit includes a first duty ratio correcting unit that widens a high-level period of an input clock in response to a detection signal, thereby correcting a duty ratio of...
US20090072883 Operating Panel Arrangement for Domestic Appliances and Method For Manufacturing An Operating Panel Arrangement  
The invention relates to an operating panel arrangement, in particular for domestic appliances such as washing machines and tumble dryers. An operating panel has formed on its outside actuating...
US20120249213 ALTERNATE POWER GATING ENABLEMENT  
Structures and methods for implementing alternating power gating in integrated circuits. A semiconductor structure includes a power gated circuit including a group of power gate switches and an...
US20090251201 Multi-level anti-fuse and methods of operating and fabricating the same  
Provided may be a multi-level anti-fuse and methods of fabricating and operating the same. The multi-level anti-fuse may include at least three anti-fuses having a plurality of anti-fuses connected...
US20130106484 REGULATED POWER SUPPLY VOLTAGE FOR DIGITAL CIRCUITS  
An integrated circuit (IC) includes a sensing circuit that outputs a sense signal. An external power supply may receive the sense signal and adjust a power supply voltage to the IC. The sensing...
US20120286826 Switching Power Converter Input Voltage Approximate Zero Crossing Determination  
In at least one embodiment, the controller senses a leading edge, phase cut AC input voltage value to a switching power converter during a cycle of the AC input voltage. The controller senses the...
US20130038387 Detector Circuit  
A detector circuit can be used for determining the reflection coefficients of HF signals in a signal path. The detector circuit includes a bidirectional hybrid coupler, logarithmic amplifiers...
US20120049911 Clock Generation Circuit  
A clock generation circuit includes a first divider, a loop unit that has a second divider and generates an output clock which is in phase synchronization with a reference clock of the first...
US20110057702 CHANGING AN OPERATING PERFORMANCE POINT  
A method of changing an operating performance point of an integrated circuit including detecting a need to change the operating performance point of the integrated circuit to a new operating...
US20120212263 WAVEFORM GENERATION CIRCUIT  
Waveform generation circuits are provided. A waveform generation circuit includes a waveform generation block configured to generate a waveform signal corresponding to a driving control signal, and...
US20120313684 WIDE RANGE LEVEL SHIFT SYSTEM  
A wide range level shift system receives an input signal with a first voltage level and a second voltage level. The wide range level shift system transforms the input signal to an output signal...
US20120133409 DELAY CIRCUIT AND SCHEDULE CONTROLLER EMPLOYING THE SAME  
A delay circuit used in a schedule controller includes a voltage detection unit, a timer, and a first electronic switch. The voltage detection unit receives an input voltage and compares the input...
US20120117410 POWER ON RESET CIRCUIT  
Embodiments may disclose a power on reset circuit, which includes: a current mirror connected to a power node, the power node receiving a variable power supply voltage, the current mirror being...
US20120212259 COMPARATOR OF A DIFFERENCE OF INPUT VOLTAGES WITH AT LEAST A THRESHOLD  
A comparator is configured to generate an output voltage representing the comparison between the absolute value of the difference between two input voltages with an adjustable reference voltage....
US20080061851 DELAY LOCKED LOOP CIRCUIT CAPABLE OF REDUCING BANG-BANG JITTER  
A delay locked loop circuit is provided that can reduce bang-bang jitter in the circuit. In one embodiment, the delay locked loop circuit includes a phase detector, a first detection unit, a second...
US20120007660 Bias Current Generator  
A bias current generator comprising at least one field effect transistor operating as a current source or sink, a capacitive store for storing a first control voltage, and a first switch for...
US20130009675 GATE DRIVER  
A gate driver of a switching element Q1 includes transistors Q2 and Q3 that are totem-pole-connected to both ends of a DC power source Vcc1, transistors Q4 and Q5 that are totem-pole-connected to...
US20120223748 CIRCUIT AND METHOD FOR APPLYING A THREE PHASE POWER SOURCE TO A THREE PHASE LOAD  
A circuit and method of applying a three phase power source to a load such that each phase is applied to the load in a manner, such as a predetermined sequence, so as to reduce the electromagnetic...
US20110102021 Differential Hysteresis Comparator Circuits and Methods  
A comparator circuit for providing hysteresis comprises first and second differentially coupled transistors. The first of the differentially coupled transistors provides drain current to first and...
US20130002615 STAGE CIRCUIT AND SCAN DRIVER USING THE SAME  
A stage circuit includes a progressive driver and a concurrent driver, and a scan driver includes a plurality of stage circuits that are capable of supplying a scan signal to scan lines...
US20130002307 STAGE CIRCUIT AND SCAN DRIVER USING THE SAME  
A stage circuit and a scan driver using the same that is capable of concurrently (e.g., simultaneously) or progressively supplying a scan signal to a plurality of scan lines. The stage circuit...
US20110267133 CURRENT GENERATING CIRCUIT  
A current generating circuit including a current mirror, an impedance device, a first voltage generating portion and a second voltage generating portion. The current mirror has a current output leg...
US20110032002 DEVICES AND METHODS FOR A THRESHOLD VOLTAGE DIFFERENCE COMPENSATED SENSE AMPLIFIER  
Embodiments are described for a voltage compensated sense amplifier. One such sense amplifier includes a pair of digit line nodes respectively coupled to a pair of transistors. A first pair of...
US20120249303 SUBSET SELECTION OF RFID TAGS USING LIGHT  
Methods and apparatuses for selecting a subset of RFID tags are provided in some embodiments. These methods and apparatuses utilize the susceptibility to light by persistent nodes found in passive...
US20110304360 DIODE CIRCUIT  
The present invention introduces a diode circuit which achieves ideal diode characteristics which observe an enough reverse breakdown voltage, and whose forward voltage is nearly 0 V. An active...
US20120286838 DELAY LINE CIRCUIT AND PHASE INTERPOLATION MODULE THEREOF  
A phase interpolation module comprising a first, second, and third phase interpolation units is proposed. Each of the first, second, and third phase interpolation units comprises a first through...
US20120013395 Internal Voltage Generation Circuit  
An internal voltage generation circuit includes a driving control signal generation unit configured to receive a temperature signal enabled when the internal temperature is below a preset...
US20100321037 CONFIGURABLE VOLTAGE REGULATOR  
A configurable semiconductor includes N terminals adapted to be connected to at least one of T external impedances. N is an integer greater than zero and T is an integer greater than one. The T...
US20110025391 Methods and Systems for Measuring and Reducing Clock Skew  
A technique for a delay measurement system to measure the skews in a clock distribution network is presented. It uses the principle of sub-sampling to measure and amplify small clock skews and...
US20120146699 RF SYSTEM HAVING INTERMODULATION SUPPRESSION BRANCHES  
An RF system for suppressing third-order intermodulation (IM3) products is disclosed. The RF system is made up of a plurality of branches coupled in parallel. Each of the plurality of branches...
US20100327937 CONFIGURABLE PULSE GENERATOR  
The described embodiments provide a circuit that can be configured as a pulse generator or as an oscillator. The circuit includes a pulse generator circuit and a test circuit that is coupled to the...
US20130049825 3D INTEGRATED CIRCUIT STACK-WIDE SYNCHRONIZATION CIRCUIT  
There is provided a synchronization circuit for a 3D chip stack having multiple circuits and multiple strata interconnected using a first and a second stack-wide broadcast connection chain. The...
US20120008443 IMPLEMENTING SMART SWITCHED DECOUPLING CAPACITORS TO EFFICIENTLY REDUCE POWER SUPPLY NOISE  
A method and circuit are provided for implementing smart switched decoupling capacitors to efficiently reduce power supply noise in a logic circuit, and a design structure on which the subject...
US20050156644 Power converter circuitry and method  
A control system and method for simultaneously regulating the operation of a plurality of different types of switching power converters. The system utilizes in regulating the power converters...
US20110187414 PBTI TOLERANT CIRCUIT DESIGN  
In an embodiment related to a sense amplifier, the sense amplifier includes a cross latch includes a pair of nodes, a first pair of transistors, a second pair of transistors, a third node, and a...
US20130033295 CLOCK PHASE COMPENSATION FOR ADJUSTED VOLTAGE CIRCUITS  
Clock phases of clock signals in a dual clock tree are adjusted to compensate for variances in propagation delays of buffers in the clock tree. A first input clock and a second input clock are...
US20110140744 FLEXIBLE ELECTRONIC CIRCUITS AND DISPLAYS  
A backplane for use in an electro-optic display comprises a patterned metal foil having a plurality of apertures extending therethrough, coated on at least side with an insulating polymeric...