| Patents for H03H 19 - Networks using time-varying elements, e.g. n-path filters (1,194) |
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| 03/17/2011 | WO2011031003A2 Switched capacitor circuit |
| 03/03/2011 | WO2011024481A1 Direct sampling circuit and receiver |
| 03/02/2011 | EP2289143A1 Impedance correction |
| 02/08/2011 | US7885620 High dynamic range time-varying integrated receiver for elimination of off-chip filters |
| 01/05/2011 | EP2270982A2 Frequency translated filters for wideband applications |
| 12/23/2010 | WO2010147713A1 Switched capacitor notch filter |
| 12/16/2010 | WO2010142460A1 Circuit for an amplifier |
| 12/15/2010 | EP2262106A1 Circuit for an amplifier |
| 12/08/2010 | EP2259426A1 Switched-capacitor band-pass filter of a discrete-time type, in particular for cancelling offset and low-frequency noise of switched-capacitor stages |
| 11/25/2010 | WO2010104892A3 Passive switched-capacitor filters |
| 11/17/2010 | EP1309084B1 Piezoelectric vibrator and filter using the same |
| 11/17/2010 | CN101888222A Filter circuit and communication device |
| 10/21/2010 | DE10315784B4 Geschalteter Kondensatorfilterschaltkreis und Verfahren zu dessen Herstellung A switched capacitor filter circuit, and process for its preparation |
| 10/20/2010 | EP2242183A2 High dynamic range time-varying integrated receiver for elimination of off-chip filters |
| 09/16/2010 | WO2010104892A2 Passive switched-capacitor filters |
| 09/10/2010 | WO2010101058A1 Complex bandpass δσad modulator and digital radio receiver |
| 09/07/2010 | US7791407 Technique for improving antialiasing and adjacent channel interference filtering using cascaded passive IIR filter stages combined with direct sampling and mixing |
| 09/01/2010 | CN1943113B Switched capacitor filter and feedback system |
| 08/26/2010 | WO2010020965A3 Device and method for offset compensation based on hysteresis tracking |
| 08/18/2010 | EP1709730B1 High dynamic range time-varying integrated receiver for elimination of off-chip filters |
| 08/18/2010 | CN101809868A Sampling filter device |
| 07/14/2010 | CN101777886A Offset control filter and offset control filtering device of external modulator |
| 06/23/2010 | CN101753114A Decimation filter and communication receiving apparatus |
| 06/16/2010 | CN101127515B Filter device and filtering method |
| 06/10/2010 | WO2010064450A1 Sampling circuit and receiver using same |
| 06/10/2010 | WO2010064436A1 Sampling circuit and receiver |
| 06/10/2010 | DE102009045525A1 System und Verfahren zum Beseitigen von Nichtlinearitäten und Löschen von Offset-Fehlern in Komparatorbasierten/Nulldurchgangsbasierten Schaltkondensatorschaltungen System and method of eliminating non-linearities and deleting offset errors in Komparatorbasierten / zero crossing based switch capacitor circuits |
| 05/12/2010 | CN1860682B Semiconductor device, radio terminal device and radio communication unit |
| 05/06/2010 | WO2010049040A1 Ultrasonic transducers |
| 05/05/2010 | EP2182633A1 Circuits for ultrasonic transducers |
| 04/01/2010 | WO2010034782A1 A system and a method for generating an error voltage |
| 03/31/2010 | EP2169824A1 A switched capacitor error amplifier circuit for generating a precision current reference or for use in a precision oscillator |
| 03/31/2010 | CN101689832A Discrete filter, sampling mixer and wireless device |
| 03/25/2010 | WO2010007326A3 Device and method for signal processing using several parallel processing pathways |
| 03/24/2010 | CN100596024C Method and system for shaping a spatial response of a spatial filter |
| 03/23/2010 | US7684780 Semiconductor device, radio terminal device, and radio communication equipment |
| 03/09/2010 | US7676211 Reconfigurable baseband filter |
| 03/03/2010 | CN101662271A Switched capacitor circuits and its negative feedback circuit |
| 02/25/2010 | WO2010004455A3 A switched-capacitor pipeline adc stage |
| 01/21/2010 | WO2010007326A2 Device and method for signal processing using several parallel processing pathways |
| 12/09/2009 | EP2131494A1 Circuit with switched capacitances with reduced consumption |
| 12/09/2009 | CN101601185A Apparatus comprising frequency selective circuit and method |
| 11/19/2009 | WO2009140306A1 Switched-capacitor decimator |
| 11/18/2009 | EP2119005A1 Apparatus comprising frequency selective circuit and method |
| 09/23/2009 | CN100544201C Wideband acoustic surface-wave switching filter set |
| 09/16/2009 | EP1668647B1 Active current mode sampling circuit |
| 09/02/2009 | EP2095505A1 Analogue implementation of a sampled filter with finite impulse response using a controllable-gain transconductance amplifier |
| 08/26/2009 | CN101515795A High accuracy switching capacitance circuit based on comparator |
| 08/05/2009 | EP2005601A4 Transmitter, power amplifier and filtering method |
| 07/23/2009 | WO2009090883A1 Sampling filter device |
| 07/16/2009 | WO2009087490A1 Semiconductor device and differential amplifier circuit therefor |
| 07/15/2009 | CN101483420A Switch capacitor band-pass filter and continuous time band-pass filter |
| 07/02/2009 | WO2009042683A3 Time sequential processing operations |
| 07/02/2009 | WO2007072712A4 Sampling filter device |
| 06/30/2009 | US7555273 Bandpass filter with carrier frequency reduction |
| 06/24/2009 | CN100505538C Device for controlling a frequency response by scaling an impedance |
| 06/18/2009 | WO2009075105A1 Sampling mixer, quadrature demodulator, and wireless device |
| 06/10/2009 | EP2068446A2 Charge domain filter circuit |
| 06/10/2009 | CN100499369C Noise filter for an integrated circuit |
| 06/03/2009 | EP2066030A1 Charge domain filter circuit |
| 06/03/2009 | EP2066029A2 Switched capacitor circuit, switched capacitor filter, and sigma-delta A/D converter |
| 06/03/2009 | EP2066028A1 Charge sampling filter circuit and charge sampling method |
| 06/03/2009 | CN101447780A Switched capacitor circuit, switched capacitor filter, and sigma-delta A/D converter |
| 05/21/2009 | US20090131007 High Dynamic Range Time-Varying Integrated Receiver for Elimination of Off-Chip Filters |
| 05/20/2009 | EP2061152A1 Switched capacitance circuit |
| 05/13/2009 | CN101432973A Transmitter, power amplifier and filtering method |
| 04/02/2009 | WO2009042683A2 Time sequential processing operations |
| 04/02/2009 | WO2009041047A1 Sampling filter device |
| 03/25/2009 | CN101395798A Discrete time direct sampling circuit and receiver |
| 03/11/2009 | CN100468577C Active current mode sampling circuit |
| 03/04/2009 | EP2031756A1 Discrete filter, sampling mixer, and radio device |
| 03/04/2009 | EP2031518A2 Circuit |
| 02/11/2009 | CN101364800A Low noise switch capacitor circuit having embedded amplifier |
| 01/28/2009 | CN101356731A Charge sampling filter circuit and charge sampling method |
| 01/21/2009 | CN101350609A Signal processing apparatus, filter apparatus, signal processing method and filtering method |
| 01/21/2009 | CN100454761C SC circuit structure |
| 01/08/2009 | WO2009004818A1 Discrete filter, sampling mixer and wireless device |
| 12/24/2008 | EP2005601A1 Transmitter, power amplifier and filtering method |
| 12/24/2008 | CN101331682A Sampling filter |
| 12/10/2008 | CN100442661C Trap filter |
| 12/02/2008 | US7460844 High dynamic range time-varying integrated receiver for elimination of off-chip filters |
| 12/02/2008 | US7459964 Switched capacitor filter and feedback system |
| 10/30/2008 | WO2008129791A1 Sampling mixer, filter device, and radio device |
| 09/25/2008 | WO2008114070A1 Method to improve selectivity of transferred- impedance filter and a transferred- impedance filter |
| 09/17/2008 | EP1254512B1 Amplifier or filter circuit in switched capacitor circuit logic and method for amplifying or filtering signals |
| 09/10/2008 | EP1966894A2 Architecture combining a continuous-time stage with a switched-capacitor stage for digital-to-analog converters and low-pass filters |
| 08/14/2008 | WO2008074922A8 Apparatus comprising frequency selective circuit and method |
| 08/12/2008 | US7411444 Technique for improving antialiasing and adjacent channel interference filtering using cascaded passive IIR filter stages combined with direct sampling and mixing |
| 08/05/2008 | US7408983 Digital filter |
| 07/23/2008 | CN101227190A Capacitor averaging converter |
| 07/02/2008 | CN100398802C Signal processor |
| 06/26/2008 | WO2008074922A1 Apparatus comprising frequency selective circuit and method |
| 05/08/2008 | WO2008054615A1 Single-ended to differential duplexer filter |
| 05/02/2008 | WO2008050630A1 Sampling filter device and radio communication device |
| 04/10/2008 | US20080084242 Filter Device |
| 04/08/2008 | US7356069 Spread spectrum demodulation using a subsampling communication receiver architecture |
| 03/20/2008 | WO2008032635A1 Charge sampling filter circuit and charge sampling method |
| 03/04/2008 | US7339415 SC circuit arrangement |
| 02/20/2008 | CN101127515A Filter device |
| 01/31/2008 | DE102006034581A1 Filter device i.e. second order phase locked loop filter, has switched capacitor circuit arranged between input and output of operational amplifier, where capacitor circuit comprises capacitor and switching device |