Patents for H03H 11 - Networks using active elements (9,098)
07/1996
07/23/1996US5539349 Method and apparatus for post-fabrication ascertaining and providing programmable precision timing for sense amplifiers and other circuits
07/23/1996US5539339 Differential load stage with stepwise variable impedance, and clocked comparator comprising such a load stage
07/18/1996WO1996021970A1 Tuning circuit
07/18/1996WO1996021969A1 Tuning circuit
07/17/1996EP0722216A2 Split-path linear isolation circuit apparatus and method
07/16/1996US5537076 Negative resistance circuit and inverter circuit including the same
07/16/1996CA2065598C Coefficients setting method of a reverberation unit
07/10/1996EP0721269A2 Method and circuit arrangement for the termination of a line to a CMOS circuit
07/02/1996US5532633 Clock generating circuit generating a plurality of non-overlapping clock signals
06/1996
06/27/1996WO1996019868A1 LOW-VOLTAGE BiCMOS DIGITAL DELAY CHAIN SUITABLE FOR OPERATION OVER A WIDE POWER SUPPLY RANGE
06/26/1996EP0718887A1 Calibration circuit for resistors
06/25/1996US5530396 Damped EMI input filter power factor correction circuits
06/25/1996US5530391 Filter circuit with a resonator operated in series resonance
06/19/1996CN1124886A Frequency and Q adjustable non-symmetric active trap
06/18/1996US5528683 Method and circuit for implementing an impedance, in particular for DC telephonic applications
06/18/1996US5528630 Coupler for communication systems which utilize more than one frequency band
06/18/1996US5528179 Constant capacitance prgrammable transconductance input stage
06/18/1996US5528124 Phase control circuit having a plurality of differential circuits
06/18/1996CA2053322C Integrated circuit and gate array
06/13/1996WO1996018239A2 Terminating transmission line impedance-matching circuit
06/12/1996EP0716506A1 Grounded inductance circuit using a gyrator circuit
06/12/1996EP0198009B1 Current source with adjustable temperature coefficient
06/11/1996US5525928 Filter boost preattenuator
06/05/1996EP0715406A1 Tunable electronic filter
06/05/1996DE4433063C1 Circulator for transmission/reception antenna
05/1996
05/30/1996WO1996016494A1 Coupling arrangement in a terminating circuit
05/30/1996WO1996016471A1 CURRENT-CONTROLLED QUADRATURE OSCILLATOR BASED ON DIFFERENTIAL gm/C CELLS
05/28/1996US5521539 Delay line providing an adjustable delay
05/22/1996CN1122971A Wave filter with source
05/21/1996US5519349 Phase shifter
05/21/1996US5519265 Adaptive RC product control in an analog-signal-manipulating circuit
05/15/1996DE4440216A1 HF signal distribution circuit
05/15/1996CN2227340Y Signal segregating unit
05/14/1996US5517523 Bridge-tap equalizer method and apparatus
05/14/1996US5517154 Split-path linear isolation circuit apparatus and method
05/14/1996US5517146 Write precompensation circuit for compensating nonlinear magnetic effects in a recording channel
05/09/1996WO1996013898A1 Filter, repetitive control system and learning control system both provided with such filter
05/09/1996WO1995024712A3 Adjustable resistance device with control circuit
05/01/1996EP0709010A1 Power coupler for coupling power from a transmission line to a node thereon
04/1996
04/24/1996EP0708526A1 Voltage controlled resistor
04/23/1996US5510755 Temperature stable voltage-controlled electronic capacitance for an oscillator
04/23/1996US5510751 Line driver with adaptive output impedance
04/23/1996US5510738 CMOS programmable resistor-based transconductor
04/17/1996EP0707379A1 Tunable quadrature phase shifter
04/17/1996EP0706715A1 Electrical charge transfer apparatus
04/16/1996US5508570 Differential amplifier based integrator having a left-half plane pole
04/12/1996CA2159877A1 Tunable quadrature phase shifter
04/10/1996EP0706147A2 Digitizer apparatus with noise reduction
04/10/1996EP0705497A1 Low noise oscillators and tracking filters
04/10/1996CN1120267A A tuning circuit
04/09/1996US5506542 Filter circuit and filter integrated circuit
04/03/1996EP0705008A2 Load termination sensing circuit
04/03/1996EP0704972A2 Output circuit for gunning transceiver logic
04/02/1996US5504778 Analog circuit for baseband modem
04/02/1996US5504456 Low noise wide band amplifier
04/02/1996US5504380 Method and apparatus for controlling a current generator
04/02/1996CA1338219C Analog circuit for baseband modem
03/1996
03/28/1996WO1996009693A1 Damped emi input filter for power factor correction circuits
03/27/1996EP0667992A4 Load current fundamental filter with one cycle response.
03/26/1996US5502421 Variable attenuation microwave attenuator
03/26/1996US5502400 Logically configurable impedance matching input terminators for VLSI
03/20/1996EP0702452A1 Voltage-controlled oscillator arrangement
03/19/1996US5500622 Audio signal processing circuit
03/13/1996EP0701332A1 Variable gain circuit and radio apparatus using the same
03/12/1996US5499392 Filter having a variable response time for filtering an input signal
03/06/1996EP0700153A2 Circuit with a controllable transfer characteristic
03/06/1996EP0699359A1 Polarization current controlled electronic circuit such as an adjustable resistance, a negative resistance or a filter or similar
03/05/1996US5497417 Switching device for transmitting telecommunication signals
02/1996
02/29/1996DE4429840A1 Choke coil action simulation using gyrator
02/28/1996CN1117667A Switched capacitor bandpass filter for detecting pilot signal
02/27/1996US5495554 Analog wavelet transform circuitry
02/27/1996US5495201 Transconductor stage
02/21/1996EP0697150A1 Adjustable resistance device with control circuit
02/21/1996CN1117219A A voltage-controlled filter circuit, a semiconduct or integrated circuit device for signal processing, and a signal reading apparatus using the...
02/20/1996US5493250 Adjustable resistance device including first and second arrangements of a resistor and a positive-feedback transconductor, and a control circuit for controlling the resistances of the first and second arrangements
02/20/1996US5493205 Low distortion differential transconductor output current mirror
02/15/1996DE19512858A1 Switched capacitor bandpass filter for pilot signal recognition
02/14/1996EP0696847A2 Voltage-to-current converting circuit operating with low supply voltage
02/14/1996EP0696846A1 High-pass filter structure with programmable zeros
02/13/1996US5491447 Operational transconductance amplifier with independent transconductance and common mode feedback control
02/07/1996EP0696104A1 Active bandpass filter
02/06/1996US5489878 Current-controlled quadrature oscillator based on differential gm /C cells
02/06/1996US5489873 Active low-pass filter
02/06/1996US5489872 Transconductance-capacitor filter circuit with current sensor circuit
02/01/1996WO1996002975A1 Loop filter with a variable response time
01/1996
01/31/1996EP0695067A2 Modem with local oscillator phase correction
01/31/1996EP0695030A1 Transconductor stage with controlled gain
01/31/1996CN1116019A Direct-current impressing circuit
01/17/1996EP0692870A1 Capacitance multiplier circuit
01/17/1996CN1115166A Active filter circuit and portable telephone apparatus
01/16/1996US5485128 Oscillation circuit having a current-controlled phase shift circuit
01/11/1996WO1996001008A1 Termination circuit for high speed applications
01/03/1996EP0690562A1 Transconductor circuit with high-linearity differential input and active filter thereof
12/1995
12/21/1995WO1995034953A1 Tuned amplifier
12/21/1995WO1995034913A1 Bootstrapped-gate field effect transistors and circuits thereof
12/13/1995EP0686317A1 Opto-electronic transconductors
12/13/1995EP0686288A1 Signal processing circuit comprising switched transconductors
12/12/1995US5475338 Active filter circuit of a capacity ground type
12/12/1995US5475331 Current divider and integrated circuit having a plurality of current dividers
12/12/1995US5475327 Variable impedance circuit
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