| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 10/19/1989 | WO1989010026A1 High-gain ic amplifier |
| 10/19/1989 | DE3837184A1 Receiving circuit for the amplifiers of the signals captured by the antennas for car radios |
| 10/19/1989 | DE3811624A1 Circuit arrangement for controlling a bridge output stage |
| 10/18/1989 | EP0337444A2 MOS voltage to current converter |
| 10/17/1989 | US4875018 Current mirror circuit assembly |
| 10/05/1989 | WO1989009513A1 Distributed push-pull amplifier |
| 10/04/1989 | EP0335607A1 Video display driver apparatus |
| 10/04/1989 | EP0335102A2 MOS stage with high output resistance particularly for integrated circuits |
| 10/03/1989 | US4871980 High efficiency power amplifier comprising multilevel power supply |
| 10/03/1989 | US4871977 Monolithic integrated wideband power amplifier |
| 10/03/1989 | US4871976 Amplifier circuit including single capacitor for DC differential-input balance |
| 09/27/1989 | EP0334660A2 R.F. preamplifier |
| 09/27/1989 | EP0334220A2 Operational amplifier |
| 09/26/1989 | US4870533 Transistor protection circuit |
| 09/26/1989 | CA1261074A1 Artificial semiconductor electron amplifying element |
| 09/26/1989 | CA1260080A1 Operational amplifier circuit having wide operating range |
| 09/21/1989 | WO1989008970A1 Induction loop driving amplifiers |
| 09/20/1989 | EP0333166A1 Electronically reconformable transmitting antenna |
| 09/20/1989 | EP0332714A1 Temperature compensated current source |
| 09/20/1989 | EP0332636A1 A signal-shaping network |
| 09/19/1989 | US4868902 GaAs capacitive feedback transimpedance amplifier |
| 09/19/1989 | US4868675 Control circuit for a laser printer |
| 09/19/1989 | US4868520 High-frequency power synthesizing apparatus |
| 09/19/1989 | US4868518 Quiescent current setting for an amplifier circuit |
| 09/19/1989 | US4868483 Power voltage regulator circuit |
| 09/19/1989 | US4868482 CMOS integrated circuit having precision resistor elements |
| 09/19/1989 | EP0327577A4 High voltage amplifier. |
| 09/19/1989 | CA1259673A1 Multifunction amplifier |
| 09/19/1989 | CA1259672A1 Differential input stage for differential line receivers and operational amplifiers |
| 09/13/1989 | EP0331778A1 Output amplifier |
| 09/13/1989 | EP0331695A1 Read-out amplifier for photovoltaic detector |
| 09/13/1989 | EP0216765B1 Optical receiver |
| 09/12/1989 | US4866401 High current Darlington amplifier |
| 09/12/1989 | US4866399 Noise immune current mirror |
| 09/12/1989 | US4866398 Analog power amplifier |
| 09/12/1989 | US4866368 Circuit arrangement for storing sampled analogue electrical currents |
| 09/12/1989 | US4866312 Differential voltage to current converter |
| 09/12/1989 | US4866297 Processing circuit for use with DC-voltage-output type sensors |
| 09/07/1989 | DE3905459A1 Single-ended push=pull power amplifier - has two separate current sources, one for driver circuit and one for push=pull circuit with single cycle output |
| 09/06/1989 | EP0330774A1 Reduction of undesired harmonic components |
| 09/06/1989 | CN2044072U Oscillograph polarographi electrolyzzer signal amplifier |
| 09/05/1989 | US4864454 Means for reducing damage to JFETs from electrostatic discharge events |
| 09/05/1989 | US4864250 Distributed amplifier having improved D.C. biasing and voltage standing wave ratio performance |
| 09/05/1989 | US4864249 Nonslewing amplifier |
| 09/05/1989 | US4864248 Amplifier arrangement with controllable gain |
| 09/05/1989 | US4864245 Modification unit for an amplifier |
| 09/05/1989 | US4864159 ECL to CMOS transition amplifier |
| 09/05/1989 | US4864120 Electronic correction of photodiode radiant sensitivity |
| 08/30/1989 | EP0329967A1 Digital switch amplifier |
| 08/30/1989 | EP0329793A1 High-speed electronic circuit having a cascode configuration |
| 08/30/1989 | CN1035214A Technique of low distorsion amplification |
| 08/24/1989 | WO1989007792A1 Mos current mirror with high output impedance and compliance |
| 08/24/1989 | DE3804543A1 Signal distribution amplifier |
| 08/22/1989 | US4860107 Video display driver apparatus |
| 08/22/1989 | US4859966 Current amplifier circuit and a current amplifying type differential current converter circuit |
| 08/22/1989 | US4859963 High speed low gain stable amplifier |
| 08/22/1989 | US4859962 Videoamplifier |
| 08/22/1989 | US4859961 Wide bandwidth push-pull parallel amplifier |
| 08/22/1989 | US4859928 CMOS comparator bias voltage generator |
| 08/16/1989 | EP0327846A1 Circuit arrangement for the distortionless switching of signals |
| 08/16/1989 | EP0327682A1 Switching amplifier for digital power amplification |
| 08/16/1989 | EP0327577A1 High voltage amplifier |
| 08/15/1989 | US4857935 RF circuit arrangement |
| 08/15/1989 | US4857869 High frequency push-pull transformer |
| 08/15/1989 | US4857865 Self equalizing multi-stage radio frequency power amplifier |
| 08/15/1989 | US4857864 Current mirror circuit |
| 08/15/1989 | US4857863 Low power output driver circuit with slew rate limiting |
| 08/15/1989 | US4857862 High-gain IC amplifier |
| 08/15/1989 | US4857861 Amplifier arrangement with improved quiescent current control |
| 08/15/1989 | CA1258499A1 Intermediate frequency amplification circuit capable of detecting a field strength with low electric power |
| 08/10/1989 | WO1989007365A1 GaAs CAPACITIVE FEEDBACK TRANSIMPEDANCE AMPLIFIER |
| 08/10/1989 | DE3803034A1 Photoelectric receiver |
| 08/09/1989 | EP0326947A1 Asymmetric differential amplifier for use as a level converter |
| 08/09/1989 | EP0326742A2 Arrangement for controlling the amplitude of an electric signal for a digital electronic apparatus and corresponding method of control |
| 08/09/1989 | CN1034646A Charge amplifier circuit |
| 08/08/1989 | US4855686 Differential amplifier circuit |
| 08/08/1989 | US4855684 Bias current compensation for bipolar input stages |
| 08/08/1989 | US4855628 Sense amplifier for high performance dram |
| 08/08/1989 | US4855625 Operational amplifier having low DC current input circuit |
| 08/08/1989 | US4855618 MOS current mirror with high output impedance and compliance |
| 08/08/1989 | US4855614 Electronic switching apparatus having impedance matching circuitry for ultra-high frequency signals |
| 08/02/1989 | EP0325903A2 Charge amplifier circuit |
| 08/01/1989 | US4853800 Method and circuit for recording broadband signals on a magnetic record medium |
| 08/01/1989 | US4853652 Wide band and low noise amplifier for metric waves |
| 08/01/1989 | US4853649 Distributed fet amplifier and bias voltage supply circuit therefor |
| 08/01/1989 | US4853648 Power amplifier circuit with a stand-by state |
| 08/01/1989 | US4853647 Current gain compensation arrangement |
| 08/01/1989 | US4853646 Temperature compensated bipolar circuits |
| 08/01/1989 | US4853645 Amplifier arrangement with quiescent current control |
| 08/01/1989 | US4853644 Differential amplifier circuit |
| 08/01/1989 | US4853639 Non-contacting voltage metering apparatus |
| 08/01/1989 | US4853559 High voltage and power BiCMOS driving circuit |
| 08/01/1989 | US4853530 Reverse biased photosensing semiconductor and op amp arrangement wherein the two load resistors of the operational amplifier unbalance the two transistors |
| 07/26/1989 | EP0325391A2 Pseudo-ternary code transmitter |
| 07/26/1989 | EP0325383A2 Charge amplifier circuit comprising a junction field effect transistor |
| 07/26/1989 | EP0325299A2 An operational amplifier |
| 07/26/1989 | CN1004911B Direct-coupled power amplifier circuit and double lood synthesizer |
| 07/25/1989 | US4851786 Differential amplifier |
| 07/25/1989 | US4851681 Infrared sensor signal conditioner |
| 07/20/1989 | DE3900426A1 Semiconductor arrangement |