H03H 19 - Networks using time-varying elements, e.g. n-path filters

Patents for H03H 19 - Networks using time-varying elements, e.g. n-path filters (1,194)
01/2008
01/17/2008	WO2008007328A1 Rf signal sampling apparatus and method
01/09/2008	EP1876707A1 Charge domain filter device
01/09/2008	CN100361050C Improved method and circuit arrangement for signal processing
12/2007
12/27/2007	WO2007148693A1 Discrete filter, sampling mixer, and radio device
12/19/2007	EP1867042A2 Transferred-impedance filtering in rf receivers
12/13/2007	WO2007142341A1 Discrete filter, sampling mixer, and radio device
12/05/2007	EP1581997B1 Highly selective filtering device and corresponding filtering method
10/2007
10/24/2007	CN101061643A Image reject filtering in a direct sampling mixer
10/18/2007	WO2007116974A1 Filter device
10/17/2007	CN101056107A Filter ciucuit, frequency modulation transmitter containing the same and mini electronic device
10/11/2007	US20070237333 FM transmitter using switched capacitor filter
10/10/2007	EP1842286A1 Monolithically integrated switchable circuits with mems
09/2007
09/27/2007	WO2007108138A1 Composite band-pass filter and method of filtering quadrature signals
09/27/2007	WO2007107633A1 Transmitter, power amplifier and filtering method
09/13/2007	WO2007102459A1 Discrete time direct sampling circuit and receiver
09/06/2007	US20070205825 Switched Capacitor Filter And Feedback System
08/2007
08/28/2007	US7263431 Analog input signal processing circuit
08/15/2007	EP1819043A1 ISI reduction technique
08/07/2007	US7253631 Method of determining the impedance of an electrochemical system
07/2007
07/03/2007	US7239183 Active current mode sampling circuit
06/2007
06/28/2007	WO2007072712A1 Sampling filter device
06/20/2007	EP1798838A2 Low pass filter
06/20/2007	CN1983809A Wideband acoustic surface-wave switching filter set
06/20/2007	CN1322439C Vehicle carried electronic controller
06/06/2007	EP1066684B1 Circuit and method for reducing sampling noise
05/2007
05/29/2007	US7224213 Switched capacitor ripple-smoothing filter
05/18/2007	WO2007054209A1 Switched-capacitor amplifier arrangement and method
05/16/2007	CN1316745C Switching capacitor structure capable of reducing distortion and noise and increasing insulation
05/09/2007	EP1783897A1 Switched-capacitor amplifier arrangement and method
04/2007
04/10/2007	US7203859 Variable clock configuration for switched op-amp circuits
04/04/2007	CN1943113A Switched capacitor filter and feedback system
03/2007
03/29/2007	DE102006016308A1 Signalverarbeitungsschaltung für eine analoge Eingabe Signal processing circuit for an analog input
03/22/2007	US20070067090 Analog input signal processing circuit
03/13/2007	US7190300 Switched capacitance circuit and analog/digital converter including said circuit
02/2007
02/14/2007	EP1753138A1 Low-noise frequency fine-tuning
02/14/2007	CN1914790A High dynamic range time-varying integrated receiver for elimination of off-chip filters
02/07/2007	EP1750301A2 On-die heating circuit and control loop for rapid heating of the die
02/07/2007	EP1219087B1 Method and apparatus for multiple channel signal processing
02/01/2007	WO2005104380A3 Image reject filtering in a direct sampling mixer
01/2007
01/24/2007	EP1232632A4 Band pass and notch filters for echo reduction with less phase distortion
12/2006
12/20/2006	EP1734655A1 Switched capacitor filter and feedback system
11/2006
11/30/2006	US20060270379 Bandpass filter with carrier frequency reduction
11/28/2006	US7142834 Noise removing circuit
11/08/2006	CN1860682A Semiconductor device, radio terminal and radio communication unit
11/07/2006	US7132881 Active filter
10/2006
10/11/2006	EP1709730A1 High dynamic range time-varying integrated receiver for elimination of off-chip filters
09/2006
09/13/2006	CN1275392C Switch capacitor degree and pipelining type analog circuit convertor
09/13/2006	CN1274734C Unimodal radial block copolymer with functional group and its preparation method
09/12/2006	US7105812 Microfluidic chip with enhanced tip for stable electrospray ionization
08/2006
08/17/2006	US20060183456 Semiconductor device, radio terminal device, and radio communication equipment
08/17/2006	US20060180840 Switched capacitor circuit and semiconductor integrated circuit thereof
08/10/2006	WO2006083432A1 Monolithically integrated switchable circuits with mems
07/2006
07/27/2006	US20060164160 Technique for improving antialiasing and adjacent channel interference filtering using cascaded passive IIR filter stages combined with direct sampling and mixing
07/27/2006	US20060164131 Active current mode sampling circuit
07/27/2006	DE10201849B4 Fahrzeugeigener elektronischer Controller A vehicle-onboard electronic controller
07/26/2006	EP1684426A1 Semiconductor device, radio terminal and radio communication unit
07/19/2006	CN1806331A Switch capacitor circuit and semiconductor integrated circuit thereof
07/18/2006	US7079826 Digitally controlled analog RF filtering in subsampling communication receiver architecture
07/18/2006	US7079823 Band-pass filter with carrier frequency reduction
07/05/2006	CN1263318C Attenuation of non-needed frequency when sampling communication signals
06/2006
06/14/2006	EP1668647A1 Active current mode sampling circuit
06/06/2006	US7057452 Method and circuit for correcting the offset of an amplification chain
06/06/2006	US7057450 Noise filter for an integrated circuit
05/2006
05/24/2006	CN1777024A Method and system for shaping a spatial response of a spatial filter
05/23/2006	US7049883 Switched-capacitor low-pass filter and semiconductor pressure sensor apparatus incorporating the filter
05/23/2006	US7049860 Method and circuit for controlling a resistance of a field effect transistor configured to conduct a signal with a varying voltage
05/17/2006	CN1773852A Trap filter
05/01/2006	CA2483593A1 Multipath logic for error correction in the demodulation of encoded signals in transmission links
04/2006
04/27/2006	WO2006042888A1 Method of producing a switched-capacitor amplifier insensitive to capacitor ratio and amplifier offset
03/2006
03/21/2006	US7015747 Device for controlling a frequency response by scaling an impedance
03/15/2006	EP1635393A1 Switch capacitor circuit and semiconductor integrated circuit thereof
03/14/2006	US7012462 Demodulation circuit
03/07/2006	US7010419 Signal processor
02/2006
02/21/2006	US7003276 Subsampling communication receiver architecture with gain control and RSSI generation
02/21/2006	US7002404 Tuning circuit for a filter
02/16/2006	WO2005114837A3 High-speed switched-capacitor ripple-smoothing filter for low jitter phase-locked loop
02/15/2006	CN1736026A Highly selective filtering device and corresponding filtering method
02/01/2006	EP1620945A2 Reconfigurable baseband filter
01/2006
01/26/2006	WO2005019804A3 Microfluidic chip with enhanced tip for stable electrospray ionization
01/11/2006	CN1720592A Active current mode sampling circuit
12/2005
12/22/2005	DE102005009747A1 Signalprozessor Signal processor
12/01/2005	WO2005114837A2 High-speed switched-capacitor ripple-smoothing filter for low jitter phase-locked loop
11/2005
11/30/2005	CN1702310A Signal processor
11/30/2005	CN1229752C Improved method and circuit arrangement for processing signals
11/24/2005	US20050261821 Signal processor
11/24/2005	US20050258998 Switched capacitance circuit and analog/digital converter including said circuit
11/10/2005	US20050248395 High-speed switched-capacitor ripple-smoothing filter for low jitter phase-locked loop
11/09/2005	EP1594230A1 Switched capacitance circuit
11/08/2005	US6963732 Subsampling communication receiver architecture with relaxed IFA readout timing
11/08/2005	US6963246 Wideband amplifier
11/03/2005	WO2005104380A2 Image reject filtering in a direct sampling mixer
10/2005
10/20/2005	US20050233725 Image reject filtering in a direct sampling mixer
10/18/2005	US6956515 Digital to analog converter augmented with direct charge transfer techniques
10/12/2005	CN1680964A Improved method and circuit arrangement for signal processing
10/06/2005	WO2005093952A1 Switched capacitor filter and feedback system
09/2005
09/06/2005	US6940435 Method and system for adjusting the step clock of a delta-sigma transformer and/or switched capacitor filter
08/2005
08/11/2005	WO2005074122A1 High dynamic range time-varying integrated receiver for elimination of off-chip filters
08/11/2005	US20050176396 Receiver apparatus
08/11/2005	DE102004003971A1 Tiefpassschaltung Low-pass circuit
08/04/2005	WO2005071836A1 Low-pass circuit

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