Patents for H03H 11 - Networks using active elements (9,098) |
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06/24/2004 | US20040119558 Attenuator |
06/24/2004 | US20040119556 Designing methods and circuits for impedance matching |
06/24/2004 | US20040119520 Setup/hold time control device |
06/23/2004 | EP1430600A1 Active tunable filter circuit |
06/23/2004 | CN1507691A Method and device for adjusting an active filter |
06/23/2004 | CN1507159A Output wave filter for delta-sigma modulator and digital signal processor with the same output filter |
06/23/2004 | CN1507151A Variable impedance network for integrated circuit |
06/23/2004 | CN1155152C Amplifier |
06/22/2004 | US6754478 CMOS low noise amplifier |
06/22/2004 | US6754098 Semiconductor memory device |
06/22/2004 | US6753730 Differential amplifier and filter circuit using the same |
06/22/2004 | US6753725 Low pass filter |
06/17/2004 | US20040113721 MLC frequency selective circuit structures |
06/16/2004 | CN1154228C Circuit arrangement with a quadripole filtering circuit |
06/10/2004 | US20040108892 Gigabit ethernet transceiver with analog front end |
06/09/2004 | EP1427103A2 CMOS differential voltage controlled logarithmic attenuator and method |
06/09/2004 | EP1426983A1 Multi-track integrated spiral inductor |
06/09/2004 | EP1256166B1 Active isolated-integrator low-pass filter with attenuation poles |
06/09/2004 | CN1503401A Matching unit |
06/08/2004 | US6748076 Method for separating narrowband and broadband services on a transmission link and a splitter element |
06/08/2004 | US6747584 Aggregate beamformer for use in a directional receiving array |
06/08/2004 | US6747531 Circuit and method for input side impedance matching of a power amplifier in an electronic device |
06/08/2004 | US6747500 Compact delay circuit for CMOS integrated circuits used in low voltage low power devices |
06/08/2004 | US6747499 Tunable quadrature phase shifter using an all-pass circuit |
06/08/2004 | CA2291540C Device for compensating process and operating parameter variations in cmos integrated circuits |
06/08/2004 | CA2289501C Gyrator with loop amplifiers connected to inductive elements |
06/03/2004 | WO2004047291A1 Filter device |
06/03/2004 | WO2004046652A2 Device and method for detecting anomolies in a wire and related sensing methods |
06/03/2004 | US20040105410 Multi-rate on-chip OCN filter for a transceiver system |
06/03/2004 | US20040104746 Transconductance varying circuit of transconductor circuit, varying bandwidth filter circuit using the same and digital tuning circuit of transconductor-capacitor filter |
06/03/2004 | DE19720017B4 90°-Phasenschieber 90 ° phase shifter |
06/02/2004 | EP1424773A1 Circuit device for realising a non-linear reactive elements scale network |
06/01/2004 | US6744307 Filter circuit |
06/01/2004 | US6744306 Filter circuit |
05/27/2004 | US20040100322 Adjusting the trans-conductance of a filter |
05/27/2004 | US20040100315 Switched coupler type digital phase shifter using quadrature generator |
05/26/2004 | EP1422823A2 Matching unit with switching means for VHF/UHF bands |
05/26/2004 | EP1421688A2 Analog fir-filter |
05/26/2004 | EP1421687A1 Tunable quadrature phase shifter |
05/26/2004 | EP1421686A1 Integrated rc filter |
05/26/2004 | EP1421546A2 Method and apparatus for analysis of variables |
05/26/2004 | CN1499712A 高频开关模块 Frequency switch module |
05/26/2004 | CN1151605C Vector compounding phase shifter |
05/26/2004 | CN1151604C Circuit for generating resistance between input/output rermial and its method |
05/25/2004 | US6741413 Common mode transient reduction circuit for improving transient response of an operational transconductance amplifier |
05/25/2004 | US6741120 Low power active filter and method |
05/20/2004 | US20040095513 Quadratic video demodulation with baseband nyquist filter |
05/20/2004 | US20040095209 Capacitance adjusting circuit |
05/19/2004 | EP1046233B1 Radio receiver |
05/18/2004 | US6738601 Adaptive radio transceiver with floating MOSFET capacitors |
05/18/2004 | US6738001 Semiconductor integrated circuit |
05/18/2004 | US6737944 Active inductor |
05/18/2004 | US6737851 Calibration circuit |
05/13/2004 | US20040091035 Active filter circuit with dynamically modifiable internal gain |
05/13/2004 | US20040090255 Delay circuit with delay relatively independent of process, voltage, and temperature variations |
05/13/2004 | US20040090252 Apparatus and method for introducing signal delay |
05/13/2004 | DE10346928A1 Verzögerungseinstellungsschaltung Delay adjustment circuit |
05/13/2004 | DE10345691A1 Integrierte Schaltung Integrated circuit |
05/11/2004 | US6734767 Diplexer |
05/11/2004 | US6734722 Method for reducing area in continuous-time filter for low frequency applications |
05/06/2004 | US20040085128 Gigabit ethernet transceiver with analog front end |
05/06/2004 | US20040085125 Gigabit ethernet transceiver with anjalog front end |
05/06/2004 | US20040085124 Gigabit ethernet transceiver with analog front end |
05/06/2004 | US20040085123 Integrated circuit arrangement comprising an active filter and a method for tuning an active filter |
05/06/2004 | US20040085113 Method and device for generating delay signal |
05/06/2004 | US20040085112 Phase shift circuit and pahse shifter |
05/06/2004 | DE10249050A1 Adjustment of parameters for analog filter of Cauer or elliptical type has circuit producing Cauer word triplets and feeding control signal to filter |
05/05/2004 | CN1148873C Method for controlling communication system, single chip RF communication system and RF communication system |
05/04/2004 | US6731160 Adjustable bandwidth high pass filter for large input signal, low supply voltage applications |
04/29/2004 | US20040081314 Electronic inductor with transmit signal telephone line driver |
04/29/2004 | US20040080353 Circuit |
04/28/2004 | EP1413058A1 Delta filter with an adaptive time window for protective relays |
04/27/2004 | US6728381 Noise reducing circuit |
04/27/2004 | US6728370 Method and apparatus for impedance matching |
04/27/2004 | US6727756 Single-ended-to-differential converter with common-mode voltage control |
04/22/2004 | WO2002103901A8 Active filter |
04/22/2004 | US20040075482 Delay unit for periodic signals |
04/22/2004 | US20040075481 Digitally-programmable delay line for multi-phase clock generator |
04/22/2004 | DE10196233T5 Nachlauf- und Abschwächungs-Schaltung und Verfahren für DACs mit geschalteten Stromquellen Track and attenuation circuit and method for DACs with switched current sources |
04/21/2004 | EP1411726A2 Apparatus for adapting the signal level between a signal input and a signal output |
04/15/2004 | WO2004032193A2 Large-area nanoenabled macroelectronic substrates and uses therefor |
04/15/2004 | WO2004032191A2 Applications of nano-enabled large area macroelectronic substrates incorporating nanowires and nanowire composites |
04/15/2004 | US20040073595 Non-reciprocal network element that produces an input impedance that is a function of the multiplication-division of its load impedances |
04/15/2004 | US20040070443 Ladder filter, analog equalizer and signal readout system |
04/15/2004 | US20040070437 Delay adjustment circuit |
04/15/2004 | CA2499965A1 Large-area nanoenabled macroelectronic substrates and uses therefor |
04/15/2004 | CA2499950A1 Applications of nano-enabled large area macroelectronic substrates incorporating nanowires and nanowire composites |
04/14/2004 | EP1408611A2 Balanced programmable delay element |
04/14/2004 | EP0760179B1 Impedance circuit for a miniature hearing aid |
04/14/2004 | EP0756783B1 Impedance emulator |
04/14/2004 | CN1146109C Method for eliminating de. component and filtering device obtained by using said method |
04/13/2004 | US6721427 Analog filter for digital audio system and audio amplifier for using the same |
04/13/2004 | US6720850 Variable attenuator |
04/13/2004 | US6720828 Apparatus and method for compensating a high impedance attenuator |
04/13/2004 | US6720817 All NPN class-AB log-domain integrator with supporting input and output circuitry for low-voltage and high-frequency continuous-time filtering |
04/13/2004 | US6720795 Active termination network |
04/08/2004 | US20040066236 Variable inductor, oscillator including the variable inductor and radio terminal comprising this oscillator, and amplifier including the variable inductor and radio terminal comprising this amplifier |
04/08/2004 | US20040066226 Minimizing noise in data channels implemented using frequency division multiplexing |
04/08/2004 | US20040066223 Balanced programmable delay element |
04/08/2004 | US20040066222 Non-iterative introduction of phase delay into signal without feedback |