| Patents for H03H 11 - Networks using active elements (9,098) |
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| 07/23/1997 | CN1155186A Sampling data bias for continuous time integral circuit |
| 07/22/1997 | US5650747 For use in differential filter/equalizer integrated circuits |
| 07/22/1997 | US5650746 Circuit arrangement for capacitance amplification |
| 07/22/1997 | US5650738 Precision digital phase shift element |
| 07/22/1997 | US5650714 Orthogonal signal generation system |
| 07/15/1997 | US5648740 Switching arrangement with combined attenuation and selection stage |
| 07/10/1997 | WO1997024803A1 Noise removing circuit |
| 07/03/1997 | DE19705898A1 Cycle time error compensation circuit |
| 07/02/1997 | EP0782258A2 Matched filter |
| 07/02/1997 | EP0782257A1 Impedance matching device for supply line |
| 07/02/1997 | CN1153427A Matched filter |
| 07/01/1997 | US5644267 High-pass filter structure with programmable zeros |
| 07/01/1997 | US5644260 RC/CR automatic quadrature network |
| 06/26/1997 | WO1997023041A1 Large signal attenuator |
| 06/25/1997 | EP0780977A1 Precision digital phase shift element |
| 06/25/1997 | EP0780976A1 Digital frequency divider phase shifter |
| 06/25/1997 | CN1152821A Filter circuit for communication |
| 06/24/1997 | US5642427 Integrated circuit for audio enhancement system |
| 06/19/1997 | WO1997022178A1 Tuning circuit |
| 06/17/1997 | US5640460 Amplitude adjust circuit and method thereof |
| 06/17/1997 | US5640120 Polarization current controlled electronic circuit such as an adjustable resistance, a negative resistance or a filter or similar |
| 06/11/1997 | EP0778667A1 Demodulator circuit using gyrator circuit |
| 06/05/1997 | WO1997020388A1 An impedance means |
| 06/05/1997 | CA2238572A1 An impedance means |
| 06/03/1997 | US5636254 Signal processing delay circuit |
| 06/03/1997 | US5635884 Grounded inductance circuit using gyrator circuit |
| 06/03/1997 | US5635880 CMOS microwave multiphase voltage controlled oscillator |
| 06/03/1997 | US5635873 Operational amplifier having dummy isolation stage |
| 05/21/1997 | EP0774832A1 Quadrature demodulator |
| 05/21/1997 | EP0774176A1 Filter, repetitive control system and learning control system both provided with such filter |
| 05/20/1997 | US5631593 Adjustable delay line |
| 05/15/1997 | WO1997017754A1 Tuning amplifier |
| 05/14/1997 | EP0773635A2 Matched filter system |
| 05/14/1997 | EP0772907A2 Circuit bias via transformer |
| 05/07/1997 | EP0772295A1 Active filter stack |
| 05/07/1997 | EP0772294A1 Folded active filter |
| 05/07/1997 | DE19540795A1 Speaker location method using microphone array |
| 05/02/1997 | EP0771071A1 Matched filter circuit |
| 04/29/1997 | US5625581 Non-integral delay circuit |
| 04/29/1997 | US5625318 Differential amplifier having a double differential amplifier pair with interconnected control electrodes |
| 04/29/1997 | US5625317 For tuning a cutoff frequency |
| 04/29/1997 | US5625316 Tuning circuit for an RC filter |
| 04/23/1997 | EP0452452B1 Loop filter for a frequency synthesizer |
| 04/22/1997 | US5623543 Two port signalling voltages filter arrangement |
| 04/16/1997 | EP0768759A2 Analogue delay circuit |
| 04/16/1997 | EP0768755A1 Active low-pass filter circuit |
| 04/16/1997 | EP0768753A1 Tuned amplifier |
| 04/15/1997 | US5621358 Transconductor stage with controlled gain |
| 04/15/1997 | US5621355 Sampled data-biasing of continuous time integrated circuit |
| 04/09/1997 | EP0767536A2 An ECL clock phase shifter with CMOS digital control |
| 04/08/1997 | US5619340 Video reproducing apparatus having filter circuit of automatic frequency adjustment type |
| 04/03/1997 | DE19536575A1 Electromagnetic and/or acoustic output signal generating device |
| 04/02/1997 | EP0766385A2 Sample data-biasing of continuous time integrated circuit |
| 04/02/1997 | CN1146666A Circuit matched with wave filter |
| 04/02/1997 | CN1146665A Circuit matched with wave filter |
| 04/01/1997 | US5617064 Active resistor for stability compensation |
| 03/26/1997 | EP0765031A1 Phase shift apparatus |
| 03/25/1997 | US5614873 Electronic circuit |
| 03/25/1997 | US5614860 Voltage-controlled filter circuit, a semiconductor integrated circuit device for signal processing, and a signal reading apparatus using the circuit and the apparatus |
| 03/25/1997 | US5614858 Time delayed filter monolithically integratable |
| 03/25/1997 | US5614853 Differential load stage with stepwise variable impedance, and clocked comparator comprising such a load stage |
| 03/19/1997 | EP0763891A1 Connecting arrangement |
| 03/19/1997 | EP0763890A1 Matched filter |
| 03/18/1997 | US5612653 For a local area network |
| 03/18/1997 | US5612648 Transconductance-capacitance filter with extended control range |
| 03/12/1997 | EP0762646A1 Continuous-time finite impulse response filter for analog signal processing |
| 03/12/1997 | EP0762645A1 Filter circuit for communication |
| 03/11/1997 | US5610564 AC integrated coupler with phase equalizer |
| 03/11/1997 | US5610551 Filter circuit |
| 03/06/1997 | DE19531556A1 Phase shift device, e.g. for low-pass filter or oscillator circuit |
| 03/05/1997 | EP0760435A2 Filter circuit and control circuit for controlling a rotor |
| 03/05/1997 | EP0760179A1 Impedance circuit for a miniature hearing aid |
| 03/05/1997 | CN1144581A Connecting arrangement |
| 03/04/1997 | US5608796 Balanced phase splitting circuit |
| 03/04/1997 | US5608665 Self-tuned, continuous-time active filter |
| 03/04/1997 | US5608349 Circuit arrangement with adjustable amplitude-frequency response |
| 02/26/1997 | EP0759229A1 Low distortion differential transconductor output current mirror |
| 02/26/1997 | EP0759228A1 Continuous time programmable analog block architecture |
| 02/26/1997 | EP0759226A1 Active resistor for stability compensation |
| 02/25/1997 | US5606280 Band-pass filter system |
| 02/25/1997 | US5606275 Buffer circuit having variable output impedance |
| 02/18/1997 | US5604808 FM signal processor |
| 02/11/1997 | CA2057824C Adjustable delay device |
| 02/11/1997 | CA2057806C Adjustable delay device |
| 02/06/1997 | WO1997004524A1 Filter circuits composed of an integrated circuit chip and an external capacitance |
| 02/05/1997 | EP0757450A2 Acquisition and tracking filter for spread spectrum signals |
| 02/05/1997 | EP0757439A2 A variable resistor circuit, a variable attenuator circuit and a variable gain amplifier |
| 02/05/1997 | EP0756783A1 Impedance emulator |
| 02/04/1997 | US5600288 Synthetic inductor in integrated circuits for small signal processing |
| 02/01/1997 | CA2182352A1 Variable resistor circuit, a variable attenuator circuit and a variable gain amplifier |
| 01/29/1997 | EP0756378A1 Matched filter circuit |
| 01/29/1997 | EP0756377A1 Matched filter circuit |
| 01/29/1997 | CN1141702A Termination network and control circuit |
| 01/29/1997 | CN1141536A Grounded inductance circuit using gyrator circuit |
| 01/28/1997 | US5598129 Low current drain operational transconductance amplifier |
| 01/28/1997 | US5598123 Filter arrangement for suppressing an AC voltage superposed on a DC voltage present across poles of a DC voltage source |
| 01/28/1997 | US5598111 Delay circuit for digital signal processing |
| 01/28/1997 | CA2134903C Quadrature signals frequency doubler |
| 01/22/1997 | EP0755116A1 Circuit for smoothing a voltage |
| 01/22/1997 | EP0755115A1 Active low pass filter |