| Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272) |
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| 05/03/1983 | US4382195 Monolithically integrable semiconductor circuit |
| 04/28/1983 | WO1983001543A1 Operational amplifier |
| 04/26/1983 | US4381487 Resonator coupled differential amplifier |
| 04/26/1983 | CA1145420A1 Amplifier apparatus having low-pass characteristic |
| 04/19/1983 | US4380739 Electronic differential controller |
| 04/19/1983 | CA1145033A1 Photo-feedback preamplifier circuit |
| 04/13/1983 | EP0076623A2 Voltage reference circuit |
| 04/12/1983 | US4380005 Dynamic zero offset compensating circuit for A/D converter |
| 04/12/1983 | US4379997 Power amplifier |
| 04/12/1983 | US4379994 Feed-forward amplifier |
| 04/05/1983 | US4379209 Audio amplifier |
| 04/05/1983 | CA1144244A1 Auto-zero amplifier circuit with wide dynamic range |
| 03/29/1983 | US4378530 High-efficiency low-distortion amplifier |
| 03/29/1983 | CA1143803A1 Temperature compensating bias circuit |
| 03/17/1983 | WO1983000965A1 Transistor amplifier |
| 03/16/1983 | EP0074294A1 Hyperfrequency amplifier with field effect transistors, particularly for a Doppler radar |
| 03/15/1983 | CA1143018A1 Operational amplifier with increased settling speed |
| 03/08/1983 | US4376287 Microwave power circuit with an active device mounted on a heat dissipating substrate |
| 03/01/1983 | US4375619 FET Operational amplifier with increased output swing |
| 02/23/1983 | EP0072741A2 Programmable gain integrator stage including means for offset voltage elimination |
| 02/23/1983 | EP0072431A2 Driver circuit |
| 02/17/1983 | WO1983000589A1 Electrical converter |
| 02/15/1983 | US4374364 Darlington amplifier with excess-current protection |
| 02/15/1983 | US4374363 Balanced impedance coupler |
| 02/15/1983 | CA1141442A1 Selective amplifier |
| 02/09/1983 | EP0071301A1 Driver circuit |
| 02/09/1983 | EP0070895A1 Amplifier having reduced power dissipation and improved slew rate |
| 02/01/1983 | US4371843 Semiconductor differential amplifier circuit with feedback bias control |
| 02/01/1983 | US4371841 Circuit arrangement for eliminating turn-on and turn-off clicks in an amplifier |
| 01/25/1983 | US4370632 Multiple function operational amplifier circuit |
| 01/25/1983 | US4370624 Low noise amplifier circuit with reduced low-frequency gain |
| 01/25/1983 | US4370623 Push-pull amplifier circuit |
| 01/25/1983 | US4370608 Integrable conversion circuit for converting input voltage to output current or voltage |
| 01/25/1983 | CA1140223A1 Voltage-to-current converter |
| 01/18/1983 | US4369412 Audio amplifier |
| 01/11/1983 | US4368436 Overload protection device for power output circuits |
| 01/11/1983 | US4368420 Supply voltage sense amplifier |
| 01/11/1983 | CA1139378A1 Transistorized single ended push-pull amplifier having no cross-over distortion |
| 01/05/1983 | EP0069072A2 Amplifier circuit |
| 01/05/1983 | EP0068844A1 A protective device for a semiconductor integrated circuit |
| 01/05/1983 | EP0068203A1 Semiconductor power element with protection circuit |
| 01/04/1983 | US4367509 Anti-latch circuit for power output devices using inductive loads |
| 01/04/1983 | US4367442 Distortion correction circuit for a power amplifier |
| 01/04/1983 | CA1138942A1 Input overload protection circuit |
| 01/04/1983 | CA1138929A1 Voltage-to-current converter |
| 12/28/1982 | US4366448 Power-amplifying circuit |
| 12/28/1982 | US4366447 Push-pull amplifier circuit |
| 12/28/1982 | US4366446 Feedback linearization of cascode amplifier configurations |
| 12/28/1982 | US4366444 Temperature-independent current trimming arrangement |
| 12/28/1982 | US4366442 Amplifier with muting circuit |
| 12/28/1982 | US4366441 Signal-muting circuit for bridge amplifier |
| 12/28/1982 | CA1138570A1 Anti-latch circuit for power output devices using inductive loads |
| 12/22/1982 | EP0067448A2 Optical receiving circuit |
| 12/21/1982 | US4365207 Integrated high frequency amplifier |
| 12/21/1982 | US4365206 Differential amplifier |
| 12/21/1982 | CA1138056A1 Amplifier comprising a first and a second amplifier element |
| 12/21/1982 | CA1138055A1 Cmos operational amplifier with improved frequency compensation |
| 12/21/1982 | CA1138053A1 Push pull amplifier |
| 12/21/1982 | CA1138052A1 Transistor amplifier |
| 12/15/1982 | EP0067132A2 Improvement in bipolar transistor amplifiers with a high linear dynamic range |
| 12/15/1982 | EP0067091A1 Device for reducing the intermodulation distortion in a high-frequency amplifier |
| 12/08/1982 | EP0066334A1 Circuit arrangement with an integrated circuit |
| 11/24/1982 | EP0065339A1 Radiometer |
| 11/24/1982 | EP0065063A1 Device for limiting the current in a push-pull output amplifier |
| 11/23/1982 | US4360784 Transformer coupled isolation amplifier |
| 11/23/1982 | CA1136228A1 Operational amplifier with slew recovery enhancement |
| 11/16/1982 | US4359696 Amplifiers |
| 11/16/1982 | US4359695 Electronic amplification systems |
| 11/16/1982 | US4359648 Pulse signal control circuits |
| 11/16/1982 | CA1135804A1 Low-noise preamplifier |
| 11/16/1982 | CA1135803A1 Amplifier arrangement comprising two transistors |
| 11/16/1982 | CA1135802A1 Output amplifier with non-linear negative feedback |
| 11/11/1982 | WO1982003955A1 A multiple function operational amplifier circuit |
| 11/10/1982 | EP0064126A2 A differential amplifier |
| 11/09/1982 | US4358739 Wide-band direct-current coupled transistor amplifier |
| 11/09/1982 | CA1135351A1 Feedback systems for multi-stage amplifiers |
| 11/09/1982 | CA1135349A1 Current sources |
| 11/02/1982 | US4357579 Power amplifier |
| 11/02/1982 | CA1134918A1 Protected amplifier apparatus |
| 10/27/1982 | EP0063479A2 An amplifier for pulse width modulated signals |
| 10/26/1982 | US4356455 Amplifier |
| 10/26/1982 | US4356454 Equalizer amplifier |
| 10/26/1982 | US4356453 Reduced noise-improved gain transistor circuit |
| 10/26/1982 | US4356450 Offset compensating circuit for operational amplifier |
| 10/20/1982 | EP0062700A1 Integrable semiconductor circuit including a negative feedback non-inverting operational amplifier |
| 10/20/1982 | EP0062679A1 Transistor amplifier circuit |
| 10/19/1982 | US4355342 Power circuit including means for automatically protecting a chopping transistor thereof |
| 10/19/1982 | US4355341 Power protection circuit for transistors |
| 10/19/1982 | US4355285 Auto-zeroing operational amplifier circuit |
| 10/12/1982 | US4354163 High voltage buffer amplifier |
| 10/12/1982 | US4354162 Wide dynamic range control amplifier with offset correction |
| 10/12/1982 | CA1133595A1 Amplifier load correction system |
| 10/12/1982 | CA1133594A1 Common-emitter f.sub.t doubler amplifier employing a feed forward amplifier to reduce non-linearities and thermal distortion |
| 10/12/1982 | CA1133593A1 Thermally compensated variable gain differential amplifier |
| 10/06/1982 | EP0061582A2 Method and circuit for the compensation of non-linearities of transfer elements in a directional radio communication system |
| 10/05/1982 | US4353037 Amplifier protection circuit |
| 10/05/1982 | CA1133074A1 Single ended push-pull amplifier |
| 10/05/1982 | CA1133073A1 Electronic overload protection circuit |
| 09/30/1982 | WO1982003303A1 Amplifier output stage |
| 09/29/1982 | EP0061403A1 Drift compensating device for at least a single measuring channel, and its application |