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Match Document Document Title
9024700 Method and apparatus for use in digitally tuning a capacitor in an integrated circuit device  
A method and apparatus for use in a digitally tuning a capacitor in an integrated circuit device is described. A Digitally Tuned Capacitor DTC is described which facilitates digitally controlling...
9024684 Area-efficient PLL with a low-noise low-power loop filter  
Techniques for reducing noise and power consumption in a loop filter for a phase-locked loop (PLL) are described herein. In one embodiment, a loop filter for a PLL comprises a first proportional...
9013233 Interface for MEMS inertial sensors  
In a high-performance interface circuit for micro-electromechanical (MEMS) inertial sensors, an excitation signal (used to detect capacitance variation) is used to control the value of an...
9000969 Variable resolution data conversion in a receiver  
A received plurality of signals may be filtered to select an in-band signal and/or an out-of-band. A signal strength of the selected signal(s) may be measured. A resolution of an analog-to-digital...
9000839 Low distortion filters  
An integrated continuous-time active-RC filter comprises a set of opamp integrators with Operational Transconductance Amplifiers (OTAs), and at least one assistant transconductor connected between...
8981978 Resonator and oversampling A/D converter  
Two resistive elements and a capacitive element are coupled between a first node and each of an inverting input terminal of an operational amplifier, an output terminal of the operational...
8952748 Circuit and method for a multi-mode filter  
An embodiment integrated circuit includes a first capacitive element including a first metal-oxide-semiconductor (MOS) capacitor and a second capacitive element coupled in parallel with the first...
8937506 Rotating coefficient filter  
A circuit that provides a rotating coefficient FIR filter with all necessary coefficient sets present at the same time, without the need for delay elements or devices providing for adjustable...
8901994 Digitally switched capacitor loop filter  
A loop filter is described. The loop filter has first and second inputs and an output. A loop filter capacitor is coupled to the loop filter output. Sample switches are coupled to the second loop...
8866532 Passive integrator and method  
In accordance with an embodiment, a passive integrator includes a charge storage element coupled between first and second transistors, wherein the first transistor has a current carrying electrode...
8860492 Switched capacitor circuit utilizing delayed control signal and inverting control signal for performing switching operation and related control method  
A switched capacitor circuit includes an inverter, a first capacitor, and a first switch unit. The inverter is arranged to receive a control signal to generate an inverting control signal...
8841962 Leakage compensation for switched capacitor integrators  
Methods and systems for a differential correlated double sampling (CDS) switched capacitor integrator circuit. The circuit includes a differential amplifier that has a differential input and a...
8836417 Charge-domain filter and method thereof and clock generator  
A charge domain filter (CDF) is provided. The CDF includes a switched-capacitor network (SCN) and a clock generator. An input of the SCN receives an input signal. The SCN samples the input signal...
8836416 Tuning circuitry and method for active filters  
Embodiments of the present invention may include a filter with programmable components, a tuning signal generator, a comparator, and a feedback system. The tuning signal generator may input first...
8836378 Direct sampling circuit  
Provided is a direct sampling circuit in which signal mixing between systems is avoided, even when signal systems in which time sharing is integrated are used together by time sharing. History...
8810323 Low-power voltage-controlled oscillator  
In one embodiment, a voltage-controlled oscillator (VCO) is provided that includes: a plurality of differential inverters coupled to form a loop, each differential inverter having a differential...
8779848 Two terminal memcapacitor device  
A memcapacitor device includes a memcapacitive matrix interposed between a first electrode and a second electrode. The memcapacitive matrix includes deep level dopants having a first decay time...
8754699 Switched-capacitor filter  
A filter is implemented as cascaded stages, and in at least one stage all resistances are implemented as double-sampled switched-capacitor circuits. In a variation, at least one resistance is...
8742964 Noise reduction method with chopping for a merged MEMS accelerometer sensor  
An apparatus includes a capacitance-to-voltage converter circuit configured to be electrically coupled to a micro-electromechanical system (MEMS) sensor circuit. The capacitance-to-voltage...
8736361 High-pass coupling circuit  
A filter provides high-pass coupling between circuits. The filter includes charge storage elements and switch elements coupling the charge storage elements. A controller is coupled to the switch...
8723580 Signal processing circuit  
The present disclosure relates to a signal processing circuit. The signal processing circuit includes a signal selection module, an offset module, and an amplifier module. The signal selection...
8710920 Charge domain filter and method thereof  
A charge domain filter (CDF) and a method thereof are provided. The CDF includes an amplifier, a first switch-capacitor network (SCN), a second SCN, a third SCN and a fourth SCN. Input terminals...
8692612 Electronic device for regulating a variable capacitance of an integrated circuit  
The present disclosure relates to an electronic regulation device of a variable capacitance of an integrated circuit having a time parameter depending on the variable capacitance. The regulation...
8674753 Systems and methods for cancelling phase-locked loop supply noise  
One embodiment of an apparatus for cancelling supply noise includes an input circuit operable to receive an input from a charge pump and a drive circuit connected to an output of the input...
8665011 Micro electro-mechanical system circuit capable of compensating capacitance variation and method thereof  
A micro electro-mechanical system (MEMS) circuit includes a MEMS differential capacitor, a read-out circuit, a control circuit, and a compensation circuit. The MEMS differential capacitor includes...
8664998 Adaptive filter circuit for sampling a reflected voltage of transformer in a power converter and method thereof  
An adaptive filter circuit for sampling a reflected voltage of a transformer of a power converter includes a first switch for receiving the reflected voltage, a resistor having a first terminal...
8665012 Analog filter with adjustable filter frequency  
A low noise analog filter with adjustable filter frequency includes an oscillatory circuit, whose resonance frequency equals the filter frequency of the filter. The oscillatory circuit has a first...
8618872 Filter with controlled cut-off frequency step-down  
A filter network having a variable cut-off frequency can be controlled in a way that allows the cut-off frequency to be changed gradually to avoid undesirable transient effects. An impedance...
8604956 Resonator and oversampling A/D converter  
Two resistive elements and a capacitive element are coupled between a first node and each of an inverting input terminal of an operational amplifier, an output terminal of the operational...
8593217 Finite input response filter in a voltage-mode driver  
A FIR filter component for a voltage mode driver includes a first node, a second node, and a first switching component comprising a first transistor having a first drain/source, a gate, and a...
8587371 Electric circuit for reducing energy consumption  
A system and method for improving the efficiency of an electrical circuit includes an electrical circuit including a first capacitor having a first and second terminal, and a second capacitor...
8575988 Mixed-signal integrator architecture  
A mixed signal correlator utilizes coherent detection within a capacitance measurement application. In some applications, the mixed signal correlator is used to measure capacitance of a touch...
8570100 Direct sampling circuit and receiver  
A sampling circuit and a receiver, with relatively simple configurations, and clocks, exhibiting excellent frequency characteristics, are provided. In discrete time circuits, a charging switch is...
8558607 Charge-domain filter and method thereof  
A charge domain filter (CDF) is provided. The CDF includes a switched-capacitor network (SCN) and a clock generator. An input of the SCN receives an input signal. The SCN samples the input signal...
8552375 Switched capacitor filter systems and methods  
Techniques are disclosed to provide a reference signal via a switched capacitor filter for image detector arrays in accordance with one or more embodiments. For an example embodiment, a method of...
8547170 Multimode integration circuit for sensor readout  
Techniques are disclosed for radiation sensors that generate current signal to provide flexible placement of one or more integration intervals between resets of an integration capacitor. With...
8541992 Voltage converter  
A DC voltage converter, comprising: a multi-ratio capacitive converter; a linear voltage regulator in series with the multi-ratio capacitive converter; and a controller; the controller arranged to...
8538364 Filter circuit and receiver using the same  
Gain setting can be performed at high speed while reducing DC offset due to a filter cutoff frequency changeover without the need for input signal muting. A filter circuit having first and second...
8525584 Automatic cutoff frequency adjusting circuit and portable digital assistant  
The disclosed invention enables the cutoff frequency of a filter to be automatically adjusted to an arbitrary setting value within the adjustment range. An automatic cutoff frequency adjusting...
8519877 Low noise and low power arrangement for playing audio signals  
A circuit for providing audio signals to a load such as a speaker is provided that uses the speaker or headphone amplifier structure as a current to voltage converter, thereby eliminating a...
8508290 Interface for MEMS inertial sensors  
In a high-performance interface circuit for micro-electromechanical (MEMS) inertial sensors, an excitation signal (used to detect capacitance variation) is used to control the value of an...
8498606 Data rate tracking filter  
The following embodiments relate to an analog filter having an adjustable transfer function for use in a system or circuit that processes a signal having a changing data rate. The transfer...
8497746 Switched-capacitor band-pass filter of a discrete-time type, in particular for cancelling offset and low-frequency noise of switched-capacitor stages  
A band-pass filter made up by an operational amplifier and by an input circuit. The input circuit is formed by a capacitive filtering element, connected to the input of the operational amplifier;...
8493138 Memcapacitive devices  
A memcapacitive device includes a first electrode having a first end and a second end and a second electrode. The device has a memcapacitive matrix interposed between the first electrode and the...
8487694 Charge domain filter apparatus  
A charge domain filter (CDF) apparatus having a bandwidth compensation circuit is provided. The bandwidth compensation circuit includes a configurable power-reference cell (CPC) and/or a...
8487693 Self calibrated, broadband, tunable, active oscillator with unity gain cells for multi-standard and/or multiband channel selection  
An oscillator includes N greater than unity gain amplifiers, N being at least two. Each of the N greater than unity gain amplifiers has a pair of differential input terminals and a pair of...
8476970 Interface for MEMS inertial sensors  
In a high-performance interface circuit for micro-electromechanical (MEMS) inertial sensors, an excitation signal (used to detect capacitance variation) is used to control the value of an...
8471721 Server rack having payload weighing function  
A server rack includes a main body, an electronic scale, and an alarm. The main body is used for receiving a number of servers. The electronic scale includes a pressure sensor and a...
8461917 Complimentary single-ended-input OTA-C universal filter structures  
A complimentary single-ended-input OTA-C universal filter structures in terms of integrated circuits is provided. The integrated circuit comprises a plurality of amplifiers and a plurality of...
8461918 Switched capacitor circuit  
A switched capacitor circuit includes: an operational amplifier; a first capacitor; a first switch that charges the first capacitor by connecting the first capacitor between an inverting input...

Matches 1 - 50 out of 378 1 2 3 4 5 6 7 8 >