Patents for H03H 11 - Networks using active elements (9,098)
05/2002
05/02/2002EP1201023A1 Dc offset calibration for a digital switching amplifier
04/2002
04/30/2002US6381446 Controllable filter
04/25/2002WO2002033812A2 Dc-coupling approach for current mode circuits
04/25/2002US20020047760 Active inductor
04/25/2002US20020047757 Filters implemented in integrated circuits
04/25/2002US20020047743 Active power filter for isolating electrically noisy load from low noise power supply
04/24/2002EP0803980B1 Tuning circuit
04/23/2002US6377315 System and method for providing a low power receiver design
04/23/2002US6377105 On-chip higher-to-lower voltage input stage
04/18/2002WO2002031976A1 Filter circuit
04/18/2002US20020044100 Radio station with optimized impedance
04/18/2002US20020044021 Filter arrangement
04/17/2002CN1345483A Hybrid low-pass sigma-delta moduator
04/17/2002CN1083195C Termination network and control circuit
04/16/2002US6373348 High speed differential attenuator using a low temperature co-fired ceramic substrate
04/16/2002US6373332 Biquad notch filter
04/11/2002WO2001082479A3 Method and apparatus for filtering signals in a subsystem including a power amplifier utilizing a bank of vibrating micromechanical apparatus
04/11/2002WO2001082478A3 Method and subsystem for processing signals utilizing a plurality of vibrating micromechanical devices
04/11/2002WO2001082477A3 Method and apparatus for filtering signals utilizing a vibrating micromechanical resonator
04/11/2002WO2001082467A3 Method and apparatus for generating a signal having at least one desired output frequency utilizing a bank of vibrating micromechanical devices
04/11/2002US20020041205 Amplifier device with frequency-response-compensating amplifier reactance, and use of the amplifier device
04/11/2002US20020041201 Filter apparatus
04/10/2002EP1048108A4 A variable delay cell with a self-biasing load
04/10/2002EP0803981B1 Tuning circuit
04/09/2002US6369655 Feedback circuit and amplifier and mixer comprising the same
04/09/2002US6369645 Low-pass filter with a summing function
04/09/2002US6369644 Filter circuit
04/04/2002WO2001095507A3 Arrangement for operating various terminal devices
04/04/2002US20020039036 Delay circuit and ring oscillator incorporating the same
04/02/2002US6366161 Active filter circuit
03/2002
03/28/2002US20020036553 Tuning circuit
03/28/2002US20020036519 Circuits with dynamic biasing
03/28/2002DE10122359A1 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
03/27/2002EP1190493A1 An arrangement in an electronics system
03/27/2002CN1341994A Active inducer
03/27/2002CN1341993A Multiport gyrator
03/26/2002US6362692 Monolithic frequency selective component and method of operating same
03/26/2002US6362691 Voltage tunable active inductorless filter
03/26/2002US6362681 Analog equalization low pass filter structure
03/21/2002WO2002023723A1 A gmc filter and method for suppressing unwanted signals introduced by the filter
03/21/2002US20020033721 Delay circuit, voltage-controlled delay circuit, voltage-controlled oscillation circuit, delay adjustment circuit, DLL circuit, and PLL circuit
03/20/2002EP1189420A2 Digital subscriber line (DSL) modem compatible with home networks
03/20/2002EP1188239A1 Dual control analog delay element
03/19/2002US6359503 Basic cell for programmable analog time-continuous filter
03/14/2002US20020032570 Analog continuous wavelet transform circuit
03/14/2002US20020030540 Transconductance continuous time filter circuit
03/14/2002US20020030529 Mixer structure and method for using same
03/13/2002EP1187326A2 Filter apparatus
03/12/2002US6356149 Tunable inductor circuit, phase tuning circuit and applications thereof
03/12/2002US6356136 Nonlinear resistor circuit using capacitively-coupled multi-input MOSFETS
03/12/2002US6356133 Bus driver circuit
03/12/2002US6356131 90-degree phase shifter
03/07/2002WO2001048918A3 Polyphase filter
03/07/2002WO2001035527A3 Gigabit ethernet transceiver with analog front end
03/07/2002US20020028660 Active inductors using bipolar silicon transistors
03/07/2002US20020027967 Delay locked-loop circuit for reducing load of variable delay unit at high-frequency operation and locking external clock signal stably
03/07/2002US20020027480 Method to find a value within a range using weighted subranges
03/07/2002US20020027465 Variable delay circuit
03/07/2002US20020027464 Dual control analog delay element
03/06/2002EP1185045A2 Differential line driver
03/06/2002EP1183773A1 Resonator
02/2002
02/28/2002WO2002017485A1 π/2 PHASE SHIFTER
02/28/2002WO2002017477A2 Mixer with image reject filter
02/28/2002WO2001065790A3 Power separating filter for data transmission line with complex impedance
02/28/2002US20020024381 Power efficient line driver with 4X supply voltage swing and active termination
02/27/2002CN1079981C Potential generation circuit
02/26/2002US6351774 Concurrent programming apparatus and method for electronic devices
02/26/2002US6351137 Impedance emulator
02/21/2002WO2001082475A3 Method and apparatus for upconverting and filtering an information signal utilizing a vibrating micromechanical device
02/21/2002US20020021159 Delay circuit and method
02/21/2002CA2355674A1 Improvements to filters implemented in integrated circuits
02/20/2002EP1180302A1 Electronic inductor with transmit signal telephone line driver
02/20/2002CN1337090A Active differential to single-ended converter
02/19/2002US6348839 Delay circuit for ring oscillator
02/14/2002WO2002012843A2 High and low frequency band dual output transducer
02/14/2002US20020017965 Method to find a value within a range using weighted subranges
02/14/2002US20020017947 Semiconductor circuit device having hierarchical power supply structure
02/12/2002US6347288 Automatic pole-zero adjustment circuit for an ionizing radiation spectroscopy system and method
02/12/2002US6346860 Resonator
02/12/2002US6346851 Low-pass filter with improved high frequency attenuation
02/12/2002US6346850 Polyphase filter
02/12/2002US6346842 Variable delay path circuit
02/12/2002US6346804 Impedance conversion circuit
02/06/2002EP1178610A2 Delay circuit for ring oscillator with power supply noise compensation
02/06/2002EP1177626A1 Differential filter with gyrator
02/06/2002EP1177625A1 Self-tracking filter
02/06/2002EP1177624A1 Filter with controlled offsets for active filter selectivity and dc offset control
02/06/2002EP1177621A2 Mos variable gain amplifier
02/05/2002US6344780 Impedance adjusting circuit
02/05/2002US6344773 Flexible monolithic continuous-time analog low-pass filter with minimal circuitry
02/05/2002US6344772 Apparatus and method for capacitance multiplication
02/05/2002CA2280878C An amplifier for continuous high gain, narrowband signal amplification
01/2002
01/31/2002WO2002009288A1 Low supply, current-controlled fet pi attenuator
01/31/2002WO2002009268A1 Active power filter for isolating electrically noisy load from low noise power supply
01/31/2002US20020012416 Method to find a value within a range using weighted subranges
01/31/2002US20020011896 Automatic filter tuning control system
01/31/2002US20020011895 Method and arrangement for filtering with common mode feedback for low power consumption
01/31/2002DE10129850A1 Amplifier with frequency characteristic compensating reactance has current-inverting negative impedance converter containing broadband amplifier element with feedback
01/30/2002CN1333597A Automatic adjusting circuit for filter
01/24/2002WO2001045252A3 Interpolator having dual transistor ranks and ratiometric control
1 ... 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 ... 91