| Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272) |
|---|
| 09/28/1982 | US4352072 Feedforward amplifier with enhanced stability into loads with high VSWR |
| 09/28/1982 | US4352053 Temperature compensating voltage generator circuit |
| 09/21/1982 | US4350959 Feedback signal amplifier |
| 09/21/1982 | US4350958 Impedance matching circuitry for radio frequency signal power amplifiers |
| 09/21/1982 | CA1132206A1 Signal-processing circuitry with intrinsic temperature insensitivity |
| 09/15/1982 | EP0060164A1 Sliding class A broadband linear amplifier with low power consumption, and circuit comprising at least one such amplifier |
| 09/15/1982 | EP0060026A1 Gain stage with operational amplifier and switched capacitor resistor equivalent circuit |
| 09/14/1982 | US4349788 Transient intermodulation distortion limiting circuit for an amplifier system |
| 09/14/1982 | US4349786 Complementary differential amplifier circuit having source-follower driving circuits |
| 09/14/1982 | CA1131720A1 Wide band amplifiers |
| 09/07/1982 | US4348645 Buffer amplifier circuit used in wideband tuner |
| 09/07/1982 | US4348644 Power amplifying circuit with changing means for supply voltage |
| 09/07/1982 | US4348643 Constant phase limiter |
| 09/07/1982 | US4348642 Feedforward wideband amplifier |
| 09/02/1982 | WO1982002986A1 Power amplifier |
| 08/31/1982 | US4347482 Amplifier equipped with circuit for preventing electrostatic breakdown |
| 08/31/1982 | CA1130874A1 Monolithic wideband amplifier |
| 08/25/1982 | EP0058448A1 Transconductance amplifier |
| 08/24/1982 | US4346354 Amplitude modulator using variable width rectangular pulse generator |
| 08/24/1982 | US4346349 Multi-channel audio power amplifier |
| 08/24/1982 | US4345502 Musical instrument performance amplifier |
| 08/19/1982 | WO1982002805A1 Amplifier having reduced power dissipation and improved slew rate |
| 08/19/1982 | WO1982002804A1 Auto-zeroing operational amplifier circuit |
| 08/19/1982 | WO1982002775A1 Opposition series-parallel measuring circuit,use of that circuit and electrode for measuring the voltage on electrochemical cells |
| 08/18/1982 | EP0058005A1 Protection circuit for an output transistor |
| 08/17/1982 | US4345218 Two stage thermal shutdown |
| 08/17/1982 | US4345215 Audio frequency power amplifier circuit |
| 08/10/1982 | US4344028 Testing device for low-frequency amplifiers |
| 08/03/1982 | US4342967 High voltage, high frequency amplifier |
| 08/03/1982 | US4342966 Power amplifier circuitry |
| 07/27/1982 | US4342006 Amplifier circuit for supplying load with output signal current proportional to input signal voltage |
| 07/27/1982 | US4342003 Operational amplifier with increased settling speed |
| 07/27/1982 | US4342001 Differential amplifier having a low-pass characteristic |
| 07/27/1982 | CA1128670A1 Semiconductor device having a mos-capacitor |
| 07/20/1982 | US4340867 Inverter amplifier |
| 07/20/1982 | US4340866 Thermally-compensated variable gain differential amplifier |
| 07/20/1982 | US4340865 Electric amplifier circuits that respond to an input signal of either polarity to produce an output signal having a polarity corresponding to that of the input signal |
| 07/20/1982 | US4340284 Temperature-compensated signal transmitting device |
| 07/13/1982 | US4339730 Amplifier with power supply switching |
| 07/13/1982 | US4339729 Analog integrated filter circuit |
| 07/07/1982 | EP0055552A2 Input protection circuit for an MIS transistor |
| 07/06/1982 | US4338573 For carbon dioxide laser |
| 07/06/1982 | CA1127249A1 Audio-frequency power amplifier |
| 07/06/1982 | CA1127248A1 Impatt amplifiers |
| 06/30/1982 | EP0054981A1 Amplifier circuit for low-frequency modulation signals of a radio transmitter |
| 06/30/1982 | EP0054943A1 Power amplifier for supplying electric power to a load by switching of power supply voltage |
| 06/30/1982 | EP0054938A1 Power amplifier with quiescent current regulator |
| 06/30/1982 | EP0054811A1 Equalizer for equalizing non-linearly distorted signals |
| 06/29/1982 | US4337441 Supply-voltage driver for a differential amplifier |
| 06/29/1982 | US4337439 Wide band amplifiers |
| 06/29/1982 | CA1126824A1 Rf power amplifier with a modulating facility |
| 06/24/1982 | WO1982002128A1 Driver circuit having reduced cross-over distortion |
| 06/22/1982 | US4336503 Driver circuit having reduced cross-over distortion |
| 06/22/1982 | CA1126353A1 Buffer amplifier |
| 06/22/1982 | CA1126351A1 Feedbeside correction circuit for an amplifier |
| 06/15/1982 | US4335363 Amplitude modulator using a carrier tube and a peaking tube |
| 06/15/1982 | US4335358 Class "B" type amplifier |
| 06/08/1982 | US4334198 Biasing of transistor amplifier cascades |
| 06/08/1982 | US4334197 Power amplifier circuitry |
| 06/01/1982 | US4333059 Power amplifying circuit |
| 06/01/1982 | CA1124804A1 Adjustable gain radio frequency amplifier |
| 06/01/1982 | CA1124803A1 Feed-forward amplifier |
| 06/01/1982 | CA1124653A1 Frequency characteristic-adjusting apparatus |
| 06/01/1982 | CA1124652A1 Power amplifier circuit |
| 05/25/1982 | USRE30948 Dynamic current supply |
| 05/25/1982 | US4331981 Linear high gain sampling amplifier |
| 05/25/1982 | US4331930 Bias circuit for power amplifier |
| 05/25/1982 | US4331928 Referenced phase RF feedback linear amplifier |
| 05/25/1982 | US4331927 Noninverting amplifier circuit with low input impedance |
| 05/18/1982 | US4330757 Semiconductor power amplification circuit |
| 05/18/1982 | US4330756 Audio-frequency amplifying device |
| 05/18/1982 | US4330755 Power-amplifying circuit |
| 05/18/1982 | US4330754 Sound amplifiers |
| 05/11/1982 | US4329728 Transistor push-pull output stage |
| 05/11/1982 | US4329657 Amplifier with power supply switching |
| 05/11/1982 | US4329655 Adaptive equalization system for nonlinearities |
| 05/11/1982 | US4329598 Bias generator |
| 05/04/1982 | CA1123066A1 Video amplifier with suppressed radio frequency radiation |
| 05/04/1982 | CA1123065A1 Signal attenuator |
| 04/29/1982 | WO1982001449A1 Transistor amplifier circuit |
| 04/29/1982 | EP0041566A4 Bandpass amplifier circuits. |
| 04/28/1982 | EP0050135A1 Temperature compensating pressure sensor amplifier circuits |
| 04/27/1982 | US4327332 Circuit arrangement useful in developing decoupled operating voltages for IF amplifier stages of an integrated circuit |
| 04/21/1982 | EP0050033A2 A line driver circuit including a protective circuit against excess current |
| 04/20/1982 | US4326171 Temperature compensating pressure sensor amplifier circuits |
| 04/14/1982 | EP0049696A1 Overvoltage guard for electronic circuits |
| 04/13/1982 | CA1121735A1 Dual mode music instrument amplifier |
| 04/07/1982 | EP0048885A2 Transistor amplifier arrangement |
| 04/07/1982 | EP0048883A2 Push-pull arrangement, in particular for an integrated transistor amplifier |
| 04/07/1982 | EP0048838A1 Circuit arrangement for load-proportional regulation of the control current of the emitter-connected output stage transistor of a transistor amplifier |
| 04/07/1982 | EP0048786A2 Variable phase square wave voltage generator |
| 04/06/1982 | US4323854 Temperature compensated current source |
| 04/06/1982 | US4323853 Circuit for protecting traveling-wave tubes against faults of a power supply |
| 04/06/1982 | US4323852 Fast recovery electrode amplifier |
| 03/31/1982 | EP0048260A1 Analog integrated filter circuit |
| 03/30/1982 | US4322770 Latch-up prevention circuit for power output devices using inductive loads |
| 03/30/1982 | US4322690 Device for protecting an audio amplifier against overload or short-circuit |
| 03/30/1982 | US4322688 Cascode feed-forward amplifier |
| 03/30/1982 | US4322687 Operational amplifier with improved offset correction |
| 03/24/1982 | EP0047825A1 Method of linearising micro-wave amplifiers over a large bandwith |