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)
11/2000
11/23/2000WO2000070759A1 Filter with controlled offsets for active filter selectivity and dc offset control
11/23/2000WO2000042659A3 System and method for esd protection
11/23/2000CA2373807A1 Differential filter with gyrator
11/23/2000CA2373805A1 Filter with controlled offsets for active filter selectivity and dc offset control
11/22/2000EP1053595A1 Apparatus and methods for tuning bandpass filters
11/22/2000CN2407507Y Low power consumption electronic impedance transformer
11/22/2000CN1274199A Broad-band phase shifter with adjustable positive slope and its usage
11/21/2000US6150885 Transconductance amplifier with wideband noise filtering
11/21/2000US6150852 Active differential to single-ended converter
11/16/2000WO2000069064A1 Circuit arrangement providing impedance translation filtering
11/16/2000DE19929801C1 Integrated circuit e.g. for generation of phase-shifted output clock from clock signal
11/14/2000US6147568 Radio-frequency variable attenuator
11/09/2000WO2000067260A1 A read channel with programmable bandwidth control
11/08/2000CN1272977A Amplifier
11/07/2000US6144981 Programmable pulse slimmer system for low pass ladder filter
11/07/2000US6144260 Amplifier
11/02/2000EP1048108A1 A variable delay cell with a self-biasing load
11/01/2000CN1272247A Dual-band dual-mode power amplifier
10/2000
10/31/2000US6140867 Transconductance control circuit, particularly for continuous-time circuits
10/31/2000CA2212492C Npn bipolar circuit topology for a tunable transconductance cell and positive current source
10/31/2000CA2119163C Switching device for transmitting telecommunication signals
10/26/2000DE10014478A1 Signal filtering system for preamplifier has low pass filter section creating feedback signal
10/25/2000EP1047200A2 Tuning circuit device with built-in band pass integrated on semiconductor substrate together with PLL circuit
10/25/2000EP1046233A1 Radio receiver
10/25/2000EP0657071B1 Monolithically integrated, tunable resonant circuit and circuitry made thereof
10/24/2000US6137375 Loss control loop circuit for controlling the output voltage of a voltage-controlled oscillator
10/24/2000US6137353 Linearized integrated FM demodulator using a plurality of cascaded all-pass filters or a bessel filter
10/24/2000CA2052385C Variable band-pass filter circuit
10/19/2000WO2000062419A2 Mos variable gain amplifier
10/19/2000DE10014056A1 Method to correct periodical signals of incremental positioning measurement system; involves comparing correct value of signal parameter with reference value and determining adjustment value
10/17/2000US6133782 Integrator-filter circuit
10/17/2000US6133763 High impedance circuit
10/17/2000CA2074473C Device for equalizing analog circuit parts in an integrated circuit
10/12/2000WO2000060745A1 Hybrid low-pass sigma-delta modulator
10/12/2000WO2000060314A1 Method and circuit for correcting periodic signals of an incremental position measuring system
10/10/2000US6130589 Matching circuit and a method for matching a transistor circuit
10/05/2000DE19914436A1 Impedance signal separation circuit for impedance cardiography, has peak value memory with associated low pass filter, buffer, and high pass filter feeding separation section which also receives sum signal
10/04/2000EP1040574A1 Artificial line
10/04/2000EP1040565A2 Linearized integrated frequency demodulator
10/04/2000EP0663723B1 Filter circuit
10/04/2000CN1057176C Switched capacitor bandpass filter for detecting pilot signal
10/03/2000US6127873 Feedforward circuit structure with programmable zeros for providing programmable group delay of a wide signal band
10/03/2000US6127871 Variable digital delay line
10/03/2000US6127862 Programmable impedance circuit
09/2000
09/28/2000DE10011056A1 Sense amplifier for channel-front-end for magnetic recording has active termination at input to gains stage so that input impedance matches characteristic impedance of connection to which input is coupled
09/27/2000CN1267879A Wide-band back read using for data storage magnetoresistance head
09/21/2000WO2000055969A1 Method and apparatus for impedance matching
09/20/2000CN1267134A 有源滤波器电路 Active filter circuit
09/19/2000US6122496 Device and method for controlling frequency characteristic of a filter
09/19/2000US6121940 Apparatus and method for broadband matching of electrically small antennas
09/19/2000US6121908 Monolithic filter gain control circuits and techniques with favorable noise behavior
09/19/2000US6121835 Variable time delay network, method and apparatus thereof
09/19/2000US6121825 Monolithic tunable recursive filter
09/19/2000US6121812 Delay circuit having delay time free from influence of operation environment
09/14/2000WO2000054402A1 Power efficient line driver
09/14/2000WO2000054362A1 Phaser
09/14/2000WO2000054259A1 Electronic device
09/14/2000DE4115662C2 Mehrrechnersystem in einem Kraftfahrzeug Multicomputer system in a motor vehicle
09/13/2000EP1034617A1 Broadband phase-shifting circuit
09/12/2000US6118332 Circuit arrangement for an adjustable high-pass filter
09/12/2000CA2265425A1 Active tunable inductor
09/08/2000WO2000052822A1 Dual control analog delay element
09/07/2000DE10010153A1 Switching capacitor bias voltage circuit has bias voltage stage coupled to current mirror stage that receives node voltage and produces bias voltage in accordance with it
09/06/2000EP1033811A2 Monolithic fixed active equalizer
09/05/2000US6114930 Impedance controlled by the phase angle between two signals
09/05/2000US6114922 Transconductance compensation for process variation in equalizers
09/05/2000US6114902 Frequency tracking arrangements
09/05/2000US6114885 Integrated driver circuits having independently programmable pull-up and pull-down circuits therein which match load impedance
08/2000
08/29/2000US6112125 Self-tuning method and apparatus for continuous-time filters
08/29/2000US6111477 Microwave phase shifter including a reflective phase shift stage and a frequency multiplication stage
08/29/2000US6111467 Circuit for time constant tuning of gm-C filters
08/24/2000WO1999040716A3 Active splitter
08/22/2000US6107898 Microwave channelized bandpass filter having two channels
08/22/2000US6107871 Double sampling analog low pass filter
08/22/2000US6107870 Automatic compensation circuit for automatically compensating time constant of filter
08/22/2000US6107867 Load termination sensing circuit
08/22/2000US6107842 Impedance conversion circuit, video apparatus, audio apparatus, and communication apparatus
08/17/2000WO2000048314A1 Multiplexing and demultiplexing of narrowband and broadband services in a transmission connection
08/16/2000EP1027770A1 Active phase splitter
08/15/2000US6104235 Integrated circuit with trimmable passive components
08/15/2000US6104230 Electronic inductor circuit using cascoded transistors
08/15/2000US6104224 Delay circuit device having a reduced current consumption
08/15/2000US6104223 Calibratable programmable phase shifter
08/15/2000CA2072393C Variable delay device
08/10/2000WO2000046936A1 Analogue echo filter
08/09/2000EP1026830A1 Antenna circuit
08/08/2000US6100757 Variable time delay network method and apparatus therof
08/03/2000WO2000045399A1 Multi-track integrated spiral inductor
08/01/2000US6097244 Highly-linear continuous-time filter for a 3-volt supply with PLL-controlled resistor and digitally-controlled capacitor
07/2000
07/27/2000WO2000044090A1 Semiconductor integrated circuit
07/26/2000EP1021861A2 Programmable delay circuit having calibratable delays
07/25/2000US6094108 Unbalance-to-balance converter utilizing a transistor
07/25/2000CA2184804C High frequency differential filter with cmos control
07/20/2000WO2000042703A1 Active differential to single-ended converter
07/20/2000WO2000042659A2 System and method for esd protection
07/20/2000CA2360397A1 Active differential to single-ended converter
07/19/2000EP1020027A1 Cmos differential voltage controlled logarithmic attenuator and method
07/19/2000EP1020023A1 Multiple-phase-interpolation lc voltage-controlled oscillator
07/19/2000CN1260635A Method for eliminating dc. component and filtering device obtained by using said method
07/18/2000US6091966 Dual-band, dual-mode power amplifier
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