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US20110032003 OFFSET CANCELLATION FOR SAMPLED-DATA CITCUITS  
A comparator based circuit with effective offset cancellation includes first and second amplifiers and an offset capacitor operatively connected to the first and second amplifiers. An offset...
US20130285706 INTERPOLATION CIRCUIT AND RECEPTION SYSTEM  
An interpolation circuit includes: a first node to receive a first current; a second node to receive a second current; a third node to receive a third current; a first capacitor circuit including:...
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...
US20110012644 SAMPLING CIRCUITS  
A sampling circuit includes an amplifier, a sampling capacitor, a feedback capacitor, and a voltage source. The sampling capacitor and the feedback capacitor are coupled to the same input terminal...
US20130135012 Positive/Negative Sampling and Holding Circuit  
A positive/negative sampling and holding (S/H) circuit is disclosed herein. The positive/negative S/H circuit includes an operational amplifier, a first capacitor, a second capacitor being...
US20090267871 SWITCHING CIRCUIT, PIXEL DRIVE CIRCUIT, AND SAMPLE-AND-HOLD CIRCUIT  
At least two FETs are provided having controlled terminals serially connected to each other between an input terminal and an output terminal. The FET are alternatingly driven to “off” via the...
US20090039924 Systems and methods for reducing distortion in semiconductor based sampling systems  
Circuits and methods that improve the performance of electronic sampling systems are provided. Parasitic capacitance associated with bootstrap circuitry is reduced, thereby decreasing signal...
US20110204927 ELECTRONIC CIRCUIT SYSTEM, TRACK HOLD CIRCUIT MODULE, ELECTRONIC CIRCUIT OPERATION CONTROL METHOD, AND PROGRAM THEREOF  
Provided is an electronic circuit system which facilitates skew timing adjustment while preventing increase of power consumption. An electronic circuit system includes: a track hold circuit module...
US20090102517 Track-And-Hold Circuit With Adjustable Charge Compensation  
A circuit design incorporates charge compensation devices within a Track-and-Hold (T/H) circuit to control channel charge generated by a tracking switch. Calibrating a T/H circuit requires...
US20080180136 Pre-charge sample-and-hold circuit  
A precharge sample-and-hold circuit is formed by coupling a buffer with an input port and making use of a switch to conduct the circuit between the buffer and a total load capacitor for...
US20110018589 BOOTSTRAPPED CLOCK GENERATOR AND TRACK-AND-HOLD CIRCUIT INCLUDING THE SAME  
A track-and-hold circuit includes a bootstrapped clock generator and a track-and-hold unit. The bootstrapped clock generator receives an input voltage signal and generates a sampling control...
US20080054951 Track and hold circuit  
Methods and apparatus are disclosed to track and hold a voltage. An example track and hold circuit comprises a first electronic switch, a second electronic switch, and a current mode logic amplifier.
US20140253177 SAMPLING NETWORK  
A circuit with a sampling network may include a pair of capacitors, where each of the capacitors has a first node and a second node; a first pair of switches communicatively coupling corresponding...
US20120274362 TRACKING AND HOLD OPERATIONS FOR AN ANALOG-TO-DIGITAL CONVERTER  
Various exemplary embodiments relate to a tracking system and method. The system includes a transistor switch having a gate node and a source node, a power source circuit connected to the gate...
US20100066414 LEAKAGE COMPENSATION FOR SAMPLE AND HOLD DEVICES  
A sample and hold circuit in one aspect includes first and second switches. The first switch can be coupled to receive an input signal and to sample the input signal using a first capacitor. A...
US20090219058 CORRELATED DOUBLE SAMPLING CIRCUIT AND SAMPLE HOLD CIRCUIT  
A correlated double sampling circuit has a sampling capacitor equally divided into a plurality of portions. In the correlated double sampling circuit, an input signal is sampled at a plurality of...
US20090237120 SAMPLE-AND-HOLD CIRCUIT AND CCD IMAGE SENSOR  
Noise is more effectively reduced in one circuit. When sampling and holding is performed, switching of an ON resistance of MOS transistors (MSH1 and MSH2) that are for sampling is made in two or...
US20140292375 ANALOG ACCUMULATOR  
Accumulators that operate to fully or partially remove noise from a signal, including removing noise inserted into the signal by the accumulator itself. In some embodiments, an accumulator may be...
US20150255173 SWITCHED CAPACITOR CIRCUIT AND DRIVE METHOD THEREFOR  
A switched capacitor circuit according to the present invention includes: a capacitor including a first terminal to which the input voltage is applied and a second terminal; a capacitor including...
US20110032730 SAMPLING CIRCUIT AND CONTROL METHOD  
An embodiment provides a sampling circuit, which has a sampling capacitor and a voltage compensation circuit. The voltage compensation circuit has a reference capacitor and a compensation circuit....
US20110148473 SWITCH-BODY PMOS SWITCH WITH SWITCH-BODY DUMMIES  
An analog sample-and-hold switch has parallel branches extending from an input node to an output node connected to a hold capacitor, each branch having a PMOS signal switch FET in series with a...
US20150213905 SIGNAL PROCESSING CIRCUIT AND A/D CONVERTER  
A signal processing circuit according to one embodiment includes a rectifier, a holder, a controller, and a setter. The rectifier generates a rectified voltage by rectifying an input voltage in...
US20110001518 OPERATING A SWITCHED-CAPACITOR CIRCUIT WITH REDUCED NOISE  
Techniques for operating a switched-capacitor circuit to reduce input and feedback dependence and/or reduce reference modulation. A switched-capacitor circuit can be operated in four phases. In a...
US20110156939 PULSE EDGE SELECTION CIRCUIT, AND PULSE GENERATION CIRCUIT, SAMPLE-HOLD CIRCUIT, AND SOLID-STATE IMAGE SENSOR USING THE SAME  
A pulse edge selection circuit includes an input stage which selects and passes one clock from among a plurality of clocks and an output stage which outputs the clock to an edge detection circuit....
US20090009219 Reducing Power Consumption In An Amplification Stage Driving A Sample And Hold Circuit While Maintaining Linearity  
An input signal to be sampled by a sample and hold circuit is amplified separately by two amplifiers. The output of the first amplifier is provided to a boost circuit to maintain the impedance of...
US20120049894 DC-DC CONVERTER CURRENT SENSING  
A sample-and-hold (SAH) current estimating circuit and a first switching power supply are disclosed. The first switching power supply provides a first switching power supply output signal based on...
US20090219060 METHOD AND APPARATUS OF SFDR ENHANCEMENT  
A track-and-hold or sample-and-hold (S/H) circuit for an analog-to-digital converter (ADC) is provided. A difference between the disclosed S/H circuit and conventional S/H circuits is the use of a...
US20140070971 TRACK-AND-HOLD CIRCUIT FOR ANALOG-TO-DIGITAL CONVERTER WITH SWITCHED CAPACITOR COUPLING OF AMPLIFIER STAGE  
A track-and-hold circuit comprises at least first and second amplifier stages, and switched capacitor circuitry coupled between the first and second amplifier stages. In a track mode of operation...
US20120313668 INPUT CONFIGURATION FOR ANALOG TO DIGITAL CONVERTER  
A circuit comprising an input, two or more sampling capacitors, means for connecting each sampling capacitor to said input, means for discharging the sampling capacitors to a given voltage in a...
US20090237119 Semiconductor integrated circuit  
A semiconductor integrated circuit has a sampling circuit which samples a potential of an input terminal, a dynamic comparator having a standby and a comparison mode which compares the potential...
US20090072868 WIDEBAND TRACK-AND-HOLD AMPLIFIER  
A wideband track-and-hold amplifier is provided. The wideband track-and-hold amplifier is provided in front of an analog-to-digital converter, receives and samples an analog signal, and transfers...
US20080246517 Sample and Hold Circuits  
The voltage produced by an input current (in) is sampled (S1, S2, S3) and stored on the gate (46) of a Fet (T1). The stored gate voltage allows the FET to function as the reference current source...
US20070236261 Circuit arrangement comprising a sample-and-hold device and method for signal processing in a sample-and-hold device  
In a circuit arrangement including a sample-and-hold device, the sample-and-hold device includes a first, a second, a third and a fourth charge store, and also a first and a second input terminal...
US20090039923 TRACK-AND-HOLD CIRCUIT WITH LOW DISTORTION  
A track-and-hold circuit capable of tracking an analog input signal and holding a sampled voltage of the analog input signal at a sampling instant for processing by other circuitry, in response to...
US20090167364 CURRENT SAMPLING METHOD AND CIRCUIT  
A current sampling circuit including a current sampling transistor, a capacitor arrangement between the gate and source of the current sampling transistor and an amplifier provided in a feedback...
US20120280722 TRACK AND HOLD CIRCUIT  
A track and hold circuit that includes a switch device and a capacitive hold device. The track and hold circuit includes a track-voltage generating device adapted to generate a control voltage...
US20100066581 SAMPLE/HOLD CIRCUIT, AND ANALOG-TO-DIGITAL CONVERTER  
There is disclosed a sample-and-hold circuit. An operational amplifier includes an inverting input terminal, a non-inverting input terminal, an inverting output terminal, and a non-inverting...
US20090153198 LOW-LEAKAGE SWITCH FOR SAMPLE AND HOLD  
An integrated electronic device includes a sample and hold stage. The sample and hold stage has a sampling capacitor (C) for an input voltage at an input node (Vin), a first switch (S1) coupled...
US20110176640 SAMPLING CIRCUIT AND RECEIVER UTILIZING THE SAME  
Disclosed are a sampling circuit and a receiver that have a high level of filter design flexibility and excellent image rejection characteristics. Signals with phases that differ by 90° are...
US20100237908 LOW CURRENT COMPARATOR WITH PROGRAMMABLE HYSTERESIS  
A low current comparator with programmable hysteresis is disclosed that uses a ratio of latch intrinsic (internal) latch capacitance and capacitance of a sample capacitor to adjust hysteresis. In...
US20120038390 GIGABIT-SPEED SLICER LATCH WITH HYSTERESIS OPTIMIZATION  
Improved master latch for high-speed slicer providing enhanced input signal sensitivity. A pre-charging circuit injects charge into the sources of the differential pair of a latch that samples the...
US20090219057 Systems and methods for determining an out of band signal  
Various embodiments of the present invention provide systems and circuits that provide for out of band detection. As one example, an out of band detection circuit is disclosed that includes an...
US20080094981 Semiconductor Integrated Circuit, Semiconductor Device, And Optical Disc Recording Device  
The semiconductor integrated circuit includes a sample-and-hold circuit including a capacitor connected to its output portion, a low-pass filter as another signal processing circuit, an analog...
US20070222483 OFFSET CANCELLATION FOR SAMPLED-DATA CIRCUITS  
A comparator based circuit with effective offset cancellation includes first and second amplifiers and an offset capacitor operatively connected to the first and second amplifiers. An offset...
US20070096773 Sample and hold circuit with multiple channel inputs, and analog-digital converter incorporating the same  
It is required to provide a further reduction in circuit scale to perform time division sampling and holding using a plurality of sampling capacitors and a common operational amplifier. The...
US20100109710 SAMPLER BLOCKER PROTECTED AGAINST SWITCHING PARASITES  
The invention relates to sample-and hold modules, and notably those which are intended to be placed upstream of an analog-digital converter. The sample-and-hold module conventionally comprises a...
US20110210764 Double switched track-and-hold circuit  
A double switched track-and-hold circuit includes an input buffer having a first switched amplifier circuit for passing an input signal in a track mode and isolating the input signal from a buffer...
US20080169845 SENSORS USING A PASSIVE S/H AND DDA  
A CMOS image sensor includes a photosensitive region for collecting charge in response to incident light; a charge-to-voltage mechanism for receiving the charge from the photosensitive region and...
US20130050002 SAMPLE AND HOLD CIRCUIT AND A/D CONVERTER  
The present invention is related to a sample and hold circuit and an A/D converter, and prevents an output saturation for an input voltage over a power supply voltage range in the sample and hold...
US20150170760 Resistive Switching Sample and Hold  
A nonvolatile sample and hold circuit can include a resistive switching circuit, a sample circuit, a reset circuit, and a converter circuit. The resistive switching circuit can be operable to...

Matches 1 - 50 out of 89 1 2 >