| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 08/03/1982 | CA1129010A1 Citizens band transmitter with overall envelope feedback from antenna coupling filter |
| 07/27/1982 | US4342006 Amplifier circuit for supplying load with output signal current proportional to input signal voltage |
| 07/27/1982 | US4342004 Voltage comparator circuit |
| 07/27/1982 | US4342003 Operational amplifier with increased settling speed |
| 07/27/1982 | US4341963 Integrated circuit for chip op/amp interface |
| 07/20/1982 | US4340869 Amplifier for use in a line circuit |
| 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 | CA1128150A1 Semiconductor differential amplifier having feedback bias control for stabilization |
| 07/19/1982 | EP0047754A4 Split-band redundant amplifier system. |
| 07/13/1982 | US4339730 Amplifier with power supply switching |
| 07/13/1982 | US4339728 Radio receiver signal amplifier and AGC circuit |
| 07/13/1982 | US4339701 Switching frequency stabilization and load fault detection in switching amplifiers |
| 07/13/1982 | CA1127724A1 Switching circuit with mos field effect transistor |
| 07/08/1982 | WO1982002294A1 Pulse width modulated power amplifier |
| 07/07/1982 | EP0055650A1 Circuit for connecting an active microphone, in particular with an electret, to a telephone transmission circuit |
| 07/07/1982 | EP0055320A1 Voltage comparators with large common mode input voltage range |
| 07/06/1982 | US4338573 For carbon dioxide laser |
| 07/06/1982 | US4338530 Low-pass filter for low-frequency signals |
| 07/06/1982 | US4338527 Voltage-current conversion circuit |
| 07/06/1982 | CA1127250A1 High-power switching amplifier |
| 07/06/1982 | CA1127249A1 Audio-frequency power amplifier |
| 07/06/1982 | CA1127248A1 Impatt amplifiers |
| 07/06/1982 | CA1127247A1 High frequency switching circuit having preselected parameters to reduce power dissipation therein |
| 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 | EP0054608A1 Active tone control circuit of a transistor hearing apparatus amplifier with two or more stages |
| 06/29/1982 | US4337441 Supply-voltage driver for a differential amplifier |
| 06/29/1982 | US4337438 Pulse-width modulator circuit |
| 06/29/1982 | US4337403 Charge-transfer phase-inverter device and differential amplifier comprising said device |
| 06/29/1982 | CA1126827A1 Linear amplifier |
| 06/24/1982 | WO1982002128A1 Driver circuit having reduced cross-over distortion |
| 06/22/1982 | US4336615 Linear loading for PWM filter |
| 06/22/1982 | US4336504 Push-pull output circuit |
| 06/22/1982 | US4336503 Driver circuit having reduced cross-over distortion |
| 06/22/1982 | US4336502 Amplifier with input stage differential amplifying circuit |
| 06/22/1982 | CA1126353A1 Buffer amplifier |
| 06/22/1982 | CA1126351A1 Feedbeside correction circuit for an amplifier |
| 06/15/1982 | US4335360 Class AB push-pull amplifiers |
| 06/15/1982 | US4335358 Class "B" type amplifier |
| 06/15/1982 | US4335355 CMOS Operational amplifier with reduced power dissipation |
| 06/09/1982 | EP0053343A1 Reproducing and amplifying circuit for magnetoresistive head |
| 06/08/1982 | US4334198 Biasing of transistor amplifier cascades |
| 06/08/1982 | US4334197 Power amplifier circuitry |
| 06/08/1982 | US4334196 Amplifier using lateral and vertical transistors |
| 06/01/1982 | US4333059 Power amplifying circuit |
| 06/01/1982 | US4333058 Operational amplifier employing complementary field-effect transistors |
| 06/01/1982 | US4333057 Differential-input complementary field-effect transistor amplifier |
| 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 |
| 05/26/1982 | EP0052553A1 Integrated current-source generator in CMOS technology |
| 05/25/1982 | USRE30948 Dynamic current supply |
| 05/25/1982 | US4331931 Gain control systems |
| 05/25/1982 | US4331930 Bias circuit for power amplifier |
| 05/19/1982 | EP0052040A1 CMOS-integrated class AB amplifier |
| 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 |
| 05/18/1982 | US4330744 Precision converter/isolation circuit |
| 05/18/1982 | US4330706 Photocell controlled power supply circuit for an LED |
| 05/18/1982 | CA1123923A1 Clock level shifting circuit |
| 05/12/1982 | EP0051578A2 Output circuit for audio signal lines |
| 05/11/1982 | US4329728 Transistor push-pull output stage |
| 05/11/1982 | US4329657 Amplifier with power supply switching |
| 05/11/1982 | US4329656 High-speed voltage subtractor |
| 05/11/1982 | US4329639 Low voltage current mirror |
| 05/11/1982 | US4329598 Bias generator |
| 05/04/1982 | US4328466 Electron bombarded semiconductor device with doubly-distributed deflection means |
| 05/04/1982 | CA1123131A1 Transformerless trunk circuit |
| 04/29/1982 | EP0041566A4 Bandpass amplifier circuits. |
| 04/27/1982 | US4327332 Circuit arrangement useful in developing decoupled operating voltages for IF amplifier stages of an integrated circuit |
| 04/27/1982 | US4327330 High power amplification arrangement |
| 04/27/1982 | CA1122685A1 Radar receiver |
| 04/20/1982 | US4326170 High power and/or high voltage switching operational amplifier |
| 04/20/1982 | US4326135 Differential to single-ended converter utilizing inverted transistors |
| 04/13/1982 | US4324950 Amplifier for driving electrostatic loudspeakers |
| 04/13/1982 | CA1121869A1 Power amplifiers |
| 04/07/1982 | EP0049024A2 Switched capacitor comparator and method for eliminating the effects of inherent offset voltages when using, as a comparator, an opamp |
| 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 |
| 04/06/1982 | US4323854 Temperature compensated current source |
| 04/06/1982 | US4323853 Circuit for protecting traveling-wave tubes against faults of a power supply |
| 04/06/1982 | US4323798 Fast operating switchable operational amplifier driven circuits |
| 04/01/1982 | WO1982001105A1 Current source with modified temperature coefficient |
| 03/31/1982 | EP0048513A2 Switchable analogue signal inverter |
| 03/30/1982 | US4322691 Circuitry for generating electric signals with proportional, opposite-sense rates of change |
| 03/30/1982 | US4322689 High frequency pulse amplifier |
| 03/30/1982 | US4322688 Cascode feed-forward amplifier |
| 03/30/1982 | CA1121053A1 Magnetic bubble traveling wave amplifier |
| 03/24/1982 | EP0047754A1 Split-band redundant amplifier system. |
| 03/23/1982 | US4321553 Wide bandwidth low distortion amplifier |
| 03/23/1982 | US4321552 Amplifier comprising a first and a second amplifier element |
| 03/23/1982 | US4321431 Trunk circuit with single coupling transformer |
| 03/23/1982 | US4321428 Acoustic monolithic power semiconductor integrated circuit and acoustic system using the same |
| 03/17/1982 | EP0047690A1 Monolithic ampliflier comprising a power dividing and combining system containing a plurality of transistors |