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Matches 1 - 50 out of 1,679

Document Document Title
WO/2017/136171A1
Certain aspects of the present disclosure provide N-path filters with wider passbands and steeper rejection than conventional N-path filters with only a single pole in each filter path. These N-path filters also have a flatter passband w...  
WO/2017/127210A1
Certain aspects of the present disclosure provide an N-path filter implemented using a generalized impedance converter (GIC) circuit. The GIC circuit is configured such that the N-path filter has a desired frequency response, which may i...  
WO/2017/106611A1
A system may include control circuitry for detecting a plosive event associated with a microphone transducer and in response to the plosive event, causing restoration of acoustic sense operation of the microphone transducer and a process...  
WO/2016/190914A3
Filter having filter input, filter output, and filter ground (FG), comprising: first shunt LC section having first port connected to the filter input and ground connected to the FG; series LC section having first port connected to the fi...  
WO/2016/174302A1
Methods and apparatus, including computer program products, are provided for receivers. In one aspect there is provided an apparatus. In some example embodiments, there is provided an apparatus. The apparatus may include a first N- path ...  
WO/2016/167146A1
Provided is a sine wave multiplication device of simple configuration, broad input signal level range, and minimal fluctuation in characteristics due to temperature. A signal component that corresponds to the product of an input signal S...  
WO/2016/142587A8
Methods and apparatus, including computer program products, are provided for receivers. In one aspect there is provided an apparatus. The apparatus may include an in-phase sigma delta receiver coupled to a radio frequency input port prov...  
WO/2016/142587A1
Methods and apparatus, including computer program products, are provided for receivers. In one aspect there is provided an apparatus. The apparatus may include an in-phase sigma delta receiver coupled to a radio frequency input port prov...  
WO/2016/137928A1
Switched capacitor circuits and charge transfer methods comprising a sampling phase and a transfer phase. Circuits and methods are implemented via a plurality of switches, a set of at least two capacitors, at least one voltage amplifier,...  
WO/2016/085744A1
A first portion of a programmable switched capacitor block includes a first plurality of switched capacitors and a second portion of the programmable switched capacitor block includes a second plurality of switched capacitors. A first sw...  
WO/2016/084609A1
The present technology relates to a band elimination filter that allows desired frequency properties to be easily obtained. In an N-path filter unit, the capacitors forming a signal path are switched over time, by choosing one of a plura...  
WO/2016/034242A1
A charge sharing filter (303) includes: a rotating capacitor (CR); and a plurality of elementary filters (311, 312, 313), each elementary filter comprising: an elementary switch (φ,) coupled between a first node (Ai) of the respective e...  
WO/2016/021095A1
Provided is a variable RF filter that receives differential high-frequency signals at differential input terminals (501, 502) and passes high-frequency signals having frequencies around a desired frequency. In this variable RF filter, fi...  
WO/2016/017702A1
[Problem] To provide an integration circuit capable of integrating signal currents with high accuracy and an AD converter. [Solution] An integration circuit according to an embodiment is equipped with a shunt circuit (1), a first switch ...  
WO/2015/189152A1
A current mirror circuit includes a first transistor connected to a voltage source, a gate of the first transistor being connected to a drain of the first transistor, a current source connected to the drain and the gate of the first tran...  
WO/2015/184232A1
A first analog block includes a first plurality of switched capacitors and a second analog block includes a second plurality of switched capacitors. A switch associated with the first plurality of switched capacitors as well as a switch ...  
WO/2015/153025A1
An integrated DC blocking amplifier circuit (100), including: an operational amplifier (110) configured in a differential amplifier; and at least first and second two-stage switched-capacitor circuits, each two stage switched-capacitor c...  
WO/2015/135508A1
Described in embodiments herein are techniques for realizing filters having a variety of frequency responses, such as multiple pass-bands, high out-of-band rejection, without complicated designs. In accordance with an embodiment, a feedf...  
WO/2015/095482A1
A device includes, a reconfigurable baseband filter configured to receive a communication signal having a first carrier and a second carrier, the first carrier and the second carrier having non-contiguous respective frequencies, the reco...  
WO/2015/086892A1
Methods and apparatus, including computer program products, are provided for RF filtering. The apparatus comprises: a first bandpass filter to receive a differential signal, wherein the first bandpass filter comprises a resistive-capacit...  
WO/2015/086891A1
Methods and apparatuses, including computer program products, are provided for filtering. In some example embodiments, there is provided an apparatus (400) including a first differential amplifier (405A) including a first positive input ...  
WO/2015/040316A1
The invention relates to a terahertz image matrix sensor comprising a matrix of pixels and comprising, for each pixel, an antenna (32) for receiving a terahertz radiation modulated by a signal at a modulation frequency and a synchronous ...  
WO/2015/004863A1
A switched capacitor circuit (200) is provided with: a capacitor (211), which has a first terminal and a second terminal, and which is disposed such that an input voltage is applied to the first terminal; an inverting amplifier (221) hav...  
WO/2014/155079A1
According to the invention a controllable passive circuit element including: a first terminal and a second terminal; a passive circuit control input to which a control signal is applied; a first passive circuit component having a first i...  
WO/2014/155635A1
Provided are a delay circuit and an ultrasonic imaging device having highly accurate delay time, long maximum delay time, and low power consumption. The delay circuit comprises: an input line into which an analog input signal is input; a...  
WO/2014/089155A1
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 elements for sequencing configurations of ...  
WO/2014/001609A1
There is disclosed an apparatus, a method, and a computer program product providing tunable impedance to match the front end with an antenna impedance. Some embodiments utilize transferred impedance phenomena where a base band or a low f...  
WO/2013/111565A1
Provided are a sampling mixer circuit and a receiver wherein the flexibility of positions at which the zero point and pole of a transfer function are set is high and wherein any desired filter characteristic can be easily formed. The sam...  
WO/2013/098182A1
A signal filter (100) comprises a first transferred impedance filter, TIF, (TIFA) having four differential signal paths (PA,1, PA,2, PA,3, PA,4) and a second TIF (TIFB) having four differential signal paths (PB,1, PB,2, PB,3, PB,4)- A fi...  
WO/2013/014724A1
This charge transfer circuit comprises: an input charge holding element that holds an input charge; an output charge holding element that holds an output charge; a charge transfer unit that is disposed between a first node of the input c...  
WO/2012/146714A3
The invention, which relates to an arrangement and a method for producing an output voltage, is based on the object of specifying an arrangement and a method which is used to produce a voltage reference that is precise, stable and has wi...  
WO/2012/014464A1
A discrete time analog circuit has a high degree of freedom in the zero-point and pole setting positions of a filter, and has wide band and steep filter characteristics. The discrete time analog circuit (100) is provided with: a rotate c...  
WO/2012/008106A1
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 capacitors (153, 155) are connected at a pre...  
WO/2011/112290A1
A switched capacitor notch filter for sampling an input signal using multiple sampling capacitors during multiple non-overlapping time periods. The charge from one set of sampling capacitors is averaged and transferred to the filter outp...  
WO/2011/066744A1
A bias control filter and a bias control filter device of an external modulator are provided. The bias control filter comprises a clock generator, a frequency divider and a switched capacitor filter unit. The clock generator is used for ...  
WO/2011/031003A2
According to the present invention, a switched capacitor circuit comprises: an inverting amplifier for removing the offset by using a chopper stabilization circuit; a sampling unit which is connected between an input terminal and the inv...  
WO/2011/031003A3
According to the present invention, a switched capacitor circuit comprises: an inverting amplifier for removing the offset by using a chopper stabilization circuit; a sampling unit which is connected between an input terminal and the inv...  
WO/2011/024481A1
Disclosed are a direct sampling circuit and a receiver wherein an excellent frequency characteristic is achieved by use of a relatively simple structure and simple clocks. In each of a plurality of discrete-time circuits (102-1 to 102-4)...  
WO/2011/020070A3
A discrete time (DT) lowpass filter having various advantages is described. In an exemplary design, the DT lowpass filter includes a decimating DT filter (which may include a passive DT FIR filter and/or a passive DT IIR filter) and an a...  
WO/2010/147713A1
A switched capacitor notch filter (100) for sampling an input signal (111) using multiple sampling capacitors (120a, 120b) and multiple non-overlapping time periods. The charge from the sampling capacitors is averaged and transferred to ...  
WO/2010/142460A1
An amplifier (1) includes an analogue-to-digital converter (ADC) (7) and a switched capacitor output stage (8). The ADC (7) converts an analogue signal into a digital signal containing a sequence of symbols. The switched capacitor output...  
WO/2010/104892A2
The invention relates to a flow cytometer system and method to apply a gain to data measurements to improve the display of the data measurements. The method for applying a gain to data detected in a flow cytometer, involves obtaining mea...  
WO/2010/104892A3
A passive switched-capacitor (PSC) filter (200) includes (i) an array of capacitors (224, 234, 244) and (ii) an array of switches (232, 242) that can couple the capacitors to a summing node (A). Each switch (232, 242) couples an associat...  
WO/2010/101058A1
Provided is a complex bandpass ΔΣAD modulator capable of suppressing influence to a signal component of an image component caused by the mismatch between the I-channel and the Q-channel, with a low power consumption. The complex bandpa...  
WO/2010/064450A1
Disclosed are a sampling circuit and a receiver having a high degree of freedom of the filter design and excellent characteristics for removing an interfering wave. Provided also are a sampling circuit and a receiver having a low level ...  
WO/2010/064436A1
Disclosed are a sampling circuit and a receiver with which filter characteristics compatible with the reception of wideband signals can be realized with a high degree of freedom in the setting of the filter characteristics. More specific...  
WO/2010/049040A1
The invention relates to circuits for ultrasonic transducers. The invention provides an ultrasonic transducer system comprising a parametric equalizer, the parametric equalizer having a first switching capacitor filter circuit and a seco...  
WO/2010/034782A1
The invention allows for the realization of a precision current reference or a fully integrated crystal-less precision oscillator by providing a circuit that precisely controls the cyclic charging operation of a switched capacitor. The v...  
WO/2010/020965A3
A signal processor for removing at least one unintended signal component from an input signal (ua) is proposed. The signal processor includes a filter device (130) and a processing device (150). The filter device (130) filters the input ...  
WO/2010/007326A3
The present invention relates to a device (5) for signal processing comprising M parallel processing pathways, each pathway processing a frequency sub-band of the frequency band of the signal and comprising: an analogue filter (10i) work...  

Matches 1 - 50 out of 1,679