Patents for H03H 11 - Networks using active elements (9,098) |
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05/02/2002 | EP1201023A1 Dc offset calibration for a digital switching amplifier |
04/30/2002 | US6381446 Controllable filter |
04/25/2002 | WO2002033812A2 Dc-coupling approach for current mode circuits |
04/25/2002 | US20020047760 Active inductor |
04/25/2002 | US20020047757 Filters implemented in integrated circuits |
04/25/2002 | US20020047743 Active power filter for isolating electrically noisy load from low noise power supply |
04/24/2002 | EP0803980B1 Tuning circuit |
04/23/2002 | US6377315 System and method for providing a low power receiver design |
04/23/2002 | US6377105 On-chip higher-to-lower voltage input stage |
04/18/2002 | WO2002031976A1 Filter circuit |
04/18/2002 | US20020044100 Radio station with optimized impedance |
04/18/2002 | US20020044021 Filter arrangement |
04/17/2002 | CN1345483A Hybrid low-pass sigma-delta moduator |
04/17/2002 | CN1083195C Termination network and control circuit |
04/16/2002 | US6373348 High speed differential attenuator using a low temperature co-fired ceramic substrate |
04/16/2002 | US6373332 Biquad notch filter |
04/11/2002 | WO2001082479A3 Method and apparatus for filtering signals in a subsystem including a power amplifier utilizing a bank of vibrating micromechanical apparatus |
04/11/2002 | WO2001082478A3 Method and subsystem for processing signals utilizing a plurality of vibrating micromechanical devices |
04/11/2002 | WO2001082477A3 Method and apparatus for filtering signals utilizing a vibrating micromechanical resonator |
04/11/2002 | WO2001082467A3 Method and apparatus for generating a signal having at least one desired output frequency utilizing a bank of vibrating micromechanical devices |
04/11/2002 | US20020041205 Amplifier device with frequency-response-compensating amplifier reactance, and use of the amplifier device |
04/11/2002 | US20020041201 Filter apparatus |
04/10/2002 | EP1048108A4 A variable delay cell with a self-biasing load |
04/10/2002 | EP0803981B1 Tuning circuit |
04/09/2002 | US6369655 Feedback circuit and amplifier and mixer comprising the same |
04/09/2002 | US6369645 Low-pass filter with a summing function |
04/09/2002 | US6369644 Filter circuit |
04/04/2002 | WO2001095507A3 Arrangement for operating various terminal devices |
04/04/2002 | US20020039036 Delay circuit and ring oscillator incorporating the same |
04/02/2002 | US6366161 Active filter circuit |
03/28/2002 | US20020036553 Tuning circuit |
03/28/2002 | US20020036519 Circuits with dynamic biasing |
03/28/2002 | DE10122359A1 Active inductor for monolithic microwave integrated circuit, has two field effect transistors among which source and gate of one field effect transistor serves as two ports |
03/27/2002 | EP1190493A1 An arrangement in an electronics system |
03/27/2002 | CN1341994A Active inducer |
03/27/2002 | CN1341993A Multiport gyrator |
03/26/2002 | US6362692 Monolithic frequency selective component and method of operating same |
03/26/2002 | US6362691 Voltage tunable active inductorless filter |
03/26/2002 | US6362681 Analog equalization low pass filter structure |
03/21/2002 | WO2002023723A1 A gmc filter and method for suppressing unwanted signals introduced by the filter |
03/21/2002 | US20020033721 Delay circuit, voltage-controlled delay circuit, voltage-controlled oscillation circuit, delay adjustment circuit, DLL circuit, and PLL circuit |
03/20/2002 | EP1189420A2 Digital subscriber line (DSL) modem compatible with home networks |
03/20/2002 | EP1188239A1 Dual control analog delay element |
03/19/2002 | US6359503 Basic cell for programmable analog time-continuous filter |
03/14/2002 | US20020032570 Analog continuous wavelet transform circuit |
03/14/2002 | US20020030540 Transconductance continuous time filter circuit |
03/14/2002 | US20020030529 Mixer structure and method for using same |
03/13/2002 | EP1187326A2 Filter apparatus |
03/12/2002 | US6356149 Tunable inductor circuit, phase tuning circuit and applications thereof |
03/12/2002 | US6356136 Nonlinear resistor circuit using capacitively-coupled multi-input MOSFETS |
03/12/2002 | US6356133 Bus driver circuit |
03/12/2002 | US6356131 90-degree phase shifter |
03/07/2002 | WO2001048918A3 Polyphase filter |
03/07/2002 | WO2001035527A3 Gigabit ethernet transceiver with analog front end |
03/07/2002 | US20020028660 Active inductors using bipolar silicon transistors |
03/07/2002 | US20020027967 Delay locked-loop circuit for reducing load of variable delay unit at high-frequency operation and locking external clock signal stably |
03/07/2002 | US20020027480 Method to find a value within a range using weighted subranges |
03/07/2002 | US20020027465 Variable delay circuit |
03/07/2002 | US20020027464 Dual control analog delay element |
03/06/2002 | EP1185045A2 Differential line driver |
03/06/2002 | EP1183773A1 Resonator |
02/28/2002 | WO2002017485A1 π/2 PHASE SHIFTER |
02/28/2002 | WO2002017477A2 Mixer with image reject filter |
02/28/2002 | WO2001065790A3 Power separating filter for data transmission line with complex impedance |
02/28/2002 | US20020024381 Power efficient line driver with 4X supply voltage swing and active termination |
02/27/2002 | CN1079981C Potential generation circuit |
02/26/2002 | US6351774 Concurrent programming apparatus and method for electronic devices |
02/26/2002 | US6351137 Impedance emulator |
02/21/2002 | WO2001082475A3 Method and apparatus for upconverting and filtering an information signal utilizing a vibrating micromechanical device |
02/21/2002 | US20020021159 Delay circuit and method |
02/21/2002 | CA2355674A1 Improvements to filters implemented in integrated circuits |
02/20/2002 | EP1180302A1 Electronic inductor with transmit signal telephone line driver |
02/20/2002 | CN1337090A Active differential to single-ended converter |
02/19/2002 | US6348839 Delay circuit for ring oscillator |
02/14/2002 | WO2002012843A2 High and low frequency band dual output transducer |
02/14/2002 | US20020017965 Method to find a value within a range using weighted subranges |
02/14/2002 | US20020017947 Semiconductor circuit device having hierarchical power supply structure |
02/12/2002 | US6347288 Automatic pole-zero adjustment circuit for an ionizing radiation spectroscopy system and method |
02/12/2002 | US6346860 Resonator |
02/12/2002 | US6346851 Low-pass filter with improved high frequency attenuation |
02/12/2002 | US6346850 Polyphase filter |
02/12/2002 | US6346842 Variable delay path circuit |
02/12/2002 | US6346804 Impedance conversion circuit |
02/06/2002 | EP1178610A2 Delay circuit for ring oscillator with power supply noise compensation |
02/06/2002 | EP1177626A1 Differential filter with gyrator |
02/06/2002 | EP1177625A1 Self-tracking filter |
02/06/2002 | EP1177624A1 Filter with controlled offsets for active filter selectivity and dc offset control |
02/06/2002 | EP1177621A2 Mos variable gain amplifier |
02/05/2002 | US6344780 Impedance adjusting circuit |
02/05/2002 | US6344773 Flexible monolithic continuous-time analog low-pass filter with minimal circuitry |
02/05/2002 | US6344772 Apparatus and method for capacitance multiplication |
02/05/2002 | CA2280878C An amplifier for continuous high gain, narrowband signal amplification |
01/31/2002 | WO2002009288A1 Low supply, current-controlled fet pi attenuator |
01/31/2002 | WO2002009268A1 Active power filter for isolating electrically noisy load from low noise power supply |
01/31/2002 | US20020012416 Method to find a value within a range using weighted subranges |
01/31/2002 | US20020011896 Automatic filter tuning control system |
01/31/2002 | US20020011895 Method and arrangement for filtering with common mode feedback for low power consumption |
01/31/2002 | DE10129850A1 Amplifier with frequency characteristic compensating reactance has current-inverting negative impedance converter containing broadband amplifier element with feedback |
01/30/2002 | CN1333597A Automatic adjusting circuit for filter |
01/24/2002 | WO2001045252A3 Interpolator having dual transistor ranks and ratiometric control |