| Patents for H03H 11 - Networks using active elements (9,098) |
|---|
| 02/25/2003 | US6525558 Programmable impedance control circuit |
| 02/20/2003 | WO2003015268A2 Analog fir-filter |
| 02/20/2003 | WO2003015267A1 Integrated rc filter |
| 02/20/2003 | US20030034831 Active filter circuit |
| 02/20/2003 | US20030034811 On-chip automatic tuning technique |
| 02/19/2003 | EP1284504A2 High linearity, low power voltage controlled resistor |
| 02/18/2003 | US6522185 Variable delay CMOS circuit with PVT control |
| 02/13/2003 | WO2003012997A1 Circuits and methods for output impedance matching in switched mode circuits |
| 02/13/2003 | WO2002073798B1 Continuously tunable phase shifter |
| 02/13/2003 | WO2002017477B1 Mixer with image reject filter |
| 02/13/2003 | US20030030579 Impedance control circuit |
| 02/13/2003 | US20030030498 Two stage VCO circuit with low voltage and power requirements |
| 02/13/2003 | US20030030497 Integrated VCO having an improved tuning range over process and temperature variations |
| 02/12/2003 | CN1397115A 模拟滤波器 Analog filter |
| 02/11/2003 | US6518812 Discrete delay line system and method |
| 02/06/2003 | WO2003010889A1 Active inductor circuit and lc oscillating circuit |
| 02/06/2003 | WO2002087462A9 Integrated low-corner frequency high pass filter circuit |
| 02/06/2003 | US20030025624 Analog FIR-filter |
| 02/06/2003 | US20030025579 IGFET and tuning circuit |
| 02/06/2003 | US20030025563 Tunable filter and method of tuning a filter |
| 02/05/2003 | EP1282227A2 A tunable filter and method of tuning a filter |
| 02/05/2003 | CN1101079C Wave filter |
| 02/05/2003 | CN1101077C Split-path linear isolation circuit apparatus and method |
| 02/04/2003 | US6516069 Microphone filter and microphone unit |
| 02/04/2003 | US6515560 Active inductor |
| 01/30/2003 | US20030022646 Integrated switchless programmable attenuator and low noise amplifier |
| 01/30/2003 | US20030020563 Phase shifter and multibit phase shifter |
| 01/30/2003 | US20030020544 Large gain range, high linearity, low noise MOS VGA |
| 01/30/2003 | US20030020521 Single chip CMOS transmitter/receiver and method of using same |
| 01/29/2003 | CN1100385C Matched filter |
| 01/28/2003 | US6512414 Automatic filter tuning control system |
| 01/28/2003 | US6512408 Mixer structure and method for using same |
| 01/23/2003 | US20030016093 Integrated high frequency circuit for affecting the amplitude of signals |
| 01/22/2003 | EP1278303A2 Integrated HF-circuit for influencing signal amplitudes |
| 01/22/2003 | EP1278302A2 RF protection on integrated circuit |
| 01/22/2003 | EP1277277A2 Method and subsystem for processing signals utilizing a plurality of vibrating micromechanical devices |
| 01/22/2003 | CN1099758C Filter circuit for communication |
| 01/22/2003 | CN1099757C Matched filter circuit |
| 01/21/2003 | US6510185 Single chip CMOS transmitter/receiver |
| 01/21/2003 | US6509812 Continuously tunable MEMs-based phase shifter |
| 01/21/2003 | US6509791 Switched capacitor filter circuit |
| 01/21/2003 | US6509785 Voltage regulator circuit for attenuating inductance-induced on chip supply variations |
| 01/21/2003 | US6509774 Delay circuit using current source |
| 01/21/2003 | US6509755 Method and device for active impedance matching |
| 01/16/2003 | WO2003005583A2 A reconfigurable analog cell and an arrangement comprising a plurality of such cell |
| 01/16/2003 | WO2003005578A1 Active common mode emi filter mitigating conducted electromagnetic interference |
| 01/16/2003 | WO2002045283A3 Integrated direct conversion satellite tuner |
| 01/16/2003 | US20030014460 Analog filter |
| 01/16/2003 | US20030012362 Multi-circuit signal transformer |
| 01/16/2003 | US20030011429 Operational transconductance amplifier and filter circuit |
| 01/16/2003 | US20030011416 Delayed signal generation circuit |
| 01/15/2003 | EP1275201A2 Method and apparatus for filtering signals in a subsystem including a power amplifier utilizing a bank of vibrating micromechanical apparatus |
| 01/15/2003 | EP0853839B1 Electronic circuit comprising complementary transconductors for filters and oscillators |
| 01/15/2003 | CN1099159C Circuit matched with wave filter |
| 01/09/2003 | WO2003003575A1 Low-noise active rc signal processing circuit |
| 01/09/2003 | US20030008629 Circuit configuration with bandpass filters |
| 01/09/2003 | US20030008617 Variable band-pass filter unit and communication apparatus using the same |
| 01/09/2003 | US20030006834 Transconductor and filter circuit |
| 01/09/2003 | US20030006809 Capacitor multiplier |
| 01/08/2003 | EP1273100A1 Balanced circuit arrangement |
| 01/07/2003 | US6504449 Phase compensated switched attenuation pad |
| 01/07/2003 | US6504436 Transconductance tuning circuit with independent frequency and amplitude control |
| 01/07/2003 | US6504420 Temperature compensation for internal inductor resistance |
| 01/07/2003 | US6504416 High linearity, low power voltage controlled resistor |
| 01/03/2003 | WO2003001678A1 Delta filter with an adaptive time window for protective relays |
| 01/03/2003 | WO2003001660A1 Linear amplifier using non-linear cmos capacitors |
| 01/02/2003 | US20030001649 Variable-delay element |
| 01/02/2003 | US20030001648 Phase shifter |
| 01/02/2003 | EP1271777A1 A digital technologic attenuate control circuit of current-model step by step |
| 01/02/2003 | EP1271776A2 Method and device to phase shift low distortion electrical signals |
| 01/01/2003 | CN1388648A Pulse Signal transforming delay regulating circuit |
| 12/31/2002 | USRE37953 Filter circuit for communication |
| 12/31/2002 | US6501317 High speed, low-power CMOS circuit with constant output swing and variable time delay for a voltage controlled oscillator |
| 12/31/2002 | US6501316 Clock control method and circuit |
| 12/27/2002 | WO2002103901A1 Active filter |
| 12/27/2002 | WO2001065691A3 Method and device for active impedance matching |
| 12/26/2002 | US20020196098 Variable attenuator |
| 12/26/2002 | US20020196076 Filter circuit |
| 12/24/2002 | US6498524 Input/output data synchronizing device |
| 12/19/2002 | US20020193067 Radio frequency interface |
| 12/19/2002 | US20020190810 Filter trimming |
| 12/19/2002 | US20020190783 Low pass filter corner frequency tuning circuit and method |
| 12/19/2002 | US20020190699 Controllable damping member, method of controlling, and system using the damping member |
| 12/19/2002 | DE10200875A1 Einstellschaltung für die Übergangsverzögerung eines gepulsten Signals Adjusting for the transition delay of a pulsed signal |
| 12/18/2002 | EP0664937B1 Line driver with adaptive output impedance |
| 12/18/2002 | CN1386322A RF circuit |
| 12/18/2002 | CN1385962A Method and device for restraining dc component of current in monocyclie controlled active wavefilter |
| 12/18/2002 | CN1385961A Complementary control based monocycle controlled active wavefiller |
| 12/18/2002 | CN1096776C Digital radio data phase shifting apparatus |
| 12/12/2002 | WO2002087071A3 Tunable resonance amplifier |
| 12/12/2002 | WO2002075922A3 Circuit and method for input side impedance matching of a power amplifier in an electronic device |
| 12/12/2002 | WO2002073798A3 Continuously tunable phase shifter |
| 12/12/2002 | US20020187768 Active balun circuit for single-ended to differential RF signal conversion with enhanced common-mode rejection |
| 12/12/2002 | US20020186098 Continuously tunable MEMs-based phase shifter |
| 12/12/2002 | US20020186074 Integrated programmable continuous time filter with programmable capacitor arrays |
| 12/12/2002 | US20020186066 Variable impedance circuit |
| 12/12/2002 | US20020186064 Delay circuit having low operating environment dependency |
| 12/12/2002 | US20020186063 Phase lock loop (PLL) apparatus and method |
| 12/11/2002 | EP1264398A1 Circuit arrangement with band-pass filters |
| 12/11/2002 | EP1171956B1 Hybrid low-pass sigma-delta modulator |