Patents
Sitemap › H03 - Basic electronic circuitry › H03H - Impedance networks, e.g. resonant circuits; Resonators › H03H 11 - Networks using active elements
Patents for H03H 11 - Networks using active elements (9,098)
05/2003
05/01/2003US20030080887 Aggregate beamformer for use in a directional receiving array
05/01/2003US20030080846 On-chip inductor using active magnetic energy recovery
05/01/2003US20030080829 Compact 180 degree phase shifter
05/01/2003US20030080786 Balanced transconductor and electronic device
04/2003
04/30/2003CN1415136A Active isolated-integrator low-pass filter with attenuation poles
04/30/2003CN1107374C Method for generating transimpedance function and integrated circuit
04/29/2003US6556154 Offset voltage calibration DAC with reduced sensitivity to mismatch errors
04/29/2003US6556096 Artificial line
04/29/2003US6556095 Method to find a value within a range using weighted subranges
04/29/2003US6556078 Integrated low-corner frequency high pass filter circuit
04/29/2003US6556073 Transconductor and filter circuit
04/29/2003US6556039 Impedance adjustment circuit
04/29/2003US6556038 Impedance updating apparatus of termination circuit and impedance updating method thereof
04/24/2003US20030076194 Duplexer with improved transmission/receiving band separation
04/24/2003US20030076148 Variable resistance circuit and application circuits using the variable resistance circuit
04/24/2003US20030076145 Compact delay circuit for cmos integrated circuits used in low voltage low power devices
04/24/2003US20030076143 Semiconductor device, semiconductor system, and digital delay circuit
04/24/2003US20030075986 BiCMOS AC filter circuit
04/23/2003EP1304506A2 Electronically actuated modulatable differential
04/23/2003EP1216501A4 Direct conversion receivers and filters adapted for use therein
04/23/2003CN1413380A Phase-compensated impedance converter
04/23/2003CN1413379A Polyphase filter
04/22/2003US6552611 Differential amplifier and filter circuit using the same
04/22/2003US6552604 Digitally tuned analog notch filter circuit
04/22/2003US6552519 Variable impedance network for an integrated circuit
04/17/2003WO2003032515A1 Echo cancelling arrangement
04/17/2003WO2002097938A3 Electronic isolator
04/17/2003WO2002060085A3 Filter arrangement
04/17/2003US20030071697 Controllable attenuator
04/17/2003US20030071682 Voltage-controlled capacitor
04/17/2003US20030071671 Topology for flexible and precise signal timing adjustment
04/16/2003CN1411632A Duplexer with improved transmission/receiving band separation
04/16/2003CN1106067C Matching circuit and method for matching transistor circuit
04/15/2003US6549766 System and method for on-chip filter tuning
04/15/2003US6549590 Current-controlled carrier tracking filter for improved spurious signal suppression
04/15/2003US6549091 Antenna coupler
04/15/2003US6549066 Efficient implementation of a complex filter with on chip resistor tuning
04/10/2003US20030067359 Adaptive radio transceiver with a local oscillator
04/10/2003US20030067347 Continuous-time analog filter having controllable gain characteristics
04/09/2003EP1299948A1 Voltage-controlled capacitor
04/09/2003EP1299947A1 Rf circuit
04/08/2003US6545569 Filtering device and method of eliminating a DC component by shifting the transfer function
04/08/2003US6545561 Method to find a value within a range using weighted subranges
04/08/2003US6545560 Method to find a value within a range using weighted subranges
04/08/2003US6545540 Current mirror-embedded low-pass filter for subscriber line interface circuit applications
04/03/2003US20030062968 Microwave semiconductor variable attenuation circuit
04/01/2003US6542045 High-frequency variable attenuator having a controllable reference voltage
04/01/2003US6542018 Current mode step attenuation control circuit with digital technology
03/2003
03/27/2003WO2003025512A2 Method and apparatus for analysis of variables
03/27/2003US20030058025 Integrated electronic circuit including non-linear inductor devices
03/27/2003US20030058024 Integrated electronic circuit including non-linear devices
03/27/2003CA2456429A1 Method and apparatus for analysis of variables
03/26/2003EP1295402A2 Arrangement for operating various terminal devices
03/25/2003US6539202 Interference canceling device
03/25/2003US6538500 Power efficient line driver with 4X supply voltage swing and active termination
03/25/2003US6538499 Low jitter transmitter architecture with post PLL filter
03/25/2003US6538498 Gm-C tuning circuit with filter configuration
03/25/2003US6537172 Electronically actuated modulatable differential
03/20/2003WO2003023958A1 Active tunable filter circuit
03/20/2003US20030054792 Active tunable filter circuit
03/20/2003US20030054791 RF circuit
03/20/2003US20030054787 Gigabit ethernet transceiver with analog front end
03/20/2003US20030054783 Directly tuned filter and method of directly tuning a filter
03/20/2003US20030052832 Active impedance matching in communications systems
03/20/2003US20030052745 Method to find a value within a range using weighted subranges
03/20/2003US20030052738 Semiconductor integrated circuit
03/20/2003US20030052719 Digital delay line and delay locked loop using the digital delay line
03/19/2003EP1294093A1 Voltage controlled oscillator programmable delay cells
03/19/2003EP1294091A1 Active lowpass filter
03/19/2003EP1034617B1 Broadband phase-shifting circuit
03/17/2003CA2404254A1 Directly tuned filter and method of directly tuning a filter
03/17/2003CA2357491A1 Filter tuning using direct digital sub-sampling
03/13/2003WO2003021777A1 Voltage controlled resistor and a controlling method
03/13/2003US20030048130 Variable frequency filter circuit
03/12/2003EP1290788A2 Method and apparatus for selecting at least one desired channel utilizing a bank of vibrating micromechanical apparatus
03/12/2003EP1010243B1 A dual-band, dual-mode power amplifier
03/12/2003EP0995264B1 Impedance matching circuit for power amplifier
03/12/2003CN1402906A High Q gyrator structures
03/11/2003US6531922 DC-coupling approach for current mode circuits
03/11/2003US6531916 Transconductance continuous time filter circuit
03/11/2003US6531904 Circuit configurations having a delay device, a multiplier, filter and/or a master-slave flip-flop for generating: an output signal being orthogonal to an input signal, an output signal having a frequency being double that of an input signal, or two output signals being orthogonal to one another
03/06/2003WO2003019778A1 An electrically controlled very high value floating cmos resistor
03/06/2003US20030045263 Integrated direct conversion satellite tuner
03/06/2003US20030045258 Constant impedance in CMOS input and output gain stages for a wireless transceiver
03/06/2003US20030042984 Adaptive radio transceiver with low noise amplification
03/06/2003US20030042958 Tunable quadrature phase shifter
03/05/2003EP1289141A1 Integrated electronic circuit including non-linear devices
03/05/2003EP1289140A1 Integrated electronic circuit including non-linear devices
03/05/2003EP1289139A2 System and method for coupling load to communications device
03/05/2003EP1289138A1 On-Chip automatic tuning technique
03/05/2003EP1289137A1 Integrated RC Filter
03/04/2003US6529074 Circuits and methods for output impedance matching in switched mode circuits
03/04/2003US6529068 Area-efficient reconstruction filters, particularly for current-driven D/A converters
02/2003
02/27/2003WO2003017483A1 Tunable quadrature phase shifter
02/27/2003US20030039053 Impact detecting circuit, impact detecting apparatus, and recording and reproducing apparatus including same
02/27/2003US20030038681 System and method of digital tuning a voltage controlled oscillator
02/26/2003EP1285491A2 Method and apparatus for generating a signal having at least one desired output frequency utilizing a bank of vibrating micromechanical devices
02/26/2003EP0709010B1 Power coupler for coupling power from a transmission line to a node thereon
02/25/2003US6525621 Equalizer circuits for use in radio frequency signal receivers
02/25/2003US6525609 Large gain range, high linearity, low noise MOS VGA
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