| 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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| 10/31/1984 | EP0123275A2 Operational amplifier circuit |
| 10/30/1984 | US4480230 Large swing CMOS power amplifier |
| 10/30/1984 | US4480229 Amplifier arrangement with parallel-operated amplifier sections |
| 10/29/1984 | EP0112358A4 Current mirror circuit arrangement. |
| 10/25/1984 | WO1984004215A1 Stabilized microwave power amplifier system |
| 10/24/1984 | EP0020640B1 High efficiency, light weight audio amplifier and power supply |
| 10/23/1984 | US4479094 Differential amplifier |
| 10/17/1984 | EP0121688A1 MOS-transistor amplifier |
| 10/16/1984 | CA1176322A1 Biasing circuit for power amplifier |
| 10/10/1984 | EP0121446A1 Linearizing device for a high-frequency amplifier with complex non linear coefficients |
| 10/10/1984 | EP0121189A1 Feedback circuit regulating the control voltage depending on the temperature in a travelling wave tube |
| 10/10/1984 | EP0121027A1 Overdrive thermal distortion compensation for a Quinn cascomp amplifier |
| 10/09/1984 | US4476444 Power amplifier circuit |
| 10/09/1984 | US4476443 Transistor circuit |
| 10/09/1984 | US4476442 Amplifier with distortion cancellation |
| 10/09/1984 | US4476441 Push-pull power amplifier |
| 10/09/1984 | US4476438 Multiplier circuit including amplifier with drift compensation circuit |
| 10/03/1984 | EP0120055A1 Thermal stabilisation of negative conductance semiconductor devices |
| 09/25/1984 | US4473802 Electrical signal converter with step variable gain |
| 09/25/1984 | US4473794 Current repeater |
| 09/25/1984 | US4473793 Bias generator |
| 09/25/1984 | US4473780 Amplifier circuit and focus voltage supply circuit incorporating such an amplifier circuit |
| 09/18/1984 | US4472725 LC Delay line for feedforward amplifier |
| 09/18/1984 | US4472688 Amplifier circuit |
| 09/18/1984 | US4472687 Audio power amplifier for supplying electric power to a load by switching of power supply voltage |
| 09/12/1984 | EP0118178A1 Offset balancing method and apparatus for a DC amplifier |
| 09/12/1984 | EP0118166A1 High frequency differential amplifier with adjustable damping factor |
| 09/11/1984 | US4471323 Protection circuits for complementary direct-coupled amplifiers |
| 09/11/1984 | US4471322 Power amplifier |
| 09/11/1984 | US4471321 Input current compensation circuit for superbeta transistor amplifier |
| 09/11/1984 | US4471319 FET Buffer amplifier with improved noise rejection |
| 09/11/1984 | US4471265 Apparatus for counteracting the cathode current increase occurring during warming-up in a travelling-wave tube in response to variation in the grid-cathode distance |
| 09/11/1984 | US4471236 High temperature bias line stabilized current sources |
| 09/11/1984 | CA1174301A1 Amplitude modulator using a variable phase square wave voltage generator |
| 09/05/1984 | EP0117625A1 Differential amplifier having balanced output |
| 09/04/1984 | US4470135 Connection device with automatic disconnection of power supply when connection members are disconnected |
| 09/04/1984 | US4470020 Virtual ground preamplifier for magnetic phono cartridge |
| 08/29/1984 | EP0116982A1 Amplifier arrangement |
| 08/28/1984 | US4468630 Wide-band amplifier for driving capacitive load |
| 08/28/1984 | US4468627 RIAA Equalizer circuit |
| 08/28/1984 | CA1173524A1 Pulse width modulator |
| 08/28/1984 | CA1173523A1 Operational amplifier |
| 08/22/1984 | EP0116492A1 Compensation device of the gain deviation with temperature of a hyperfrequency signal amplifier |
| 08/21/1984 | US4467290 Signal amplifier with wide linear dynamic range |
| 08/21/1984 | US4467288 Distortion-free complemented error feedback amplifier and method |
| 08/21/1984 | US4467203 Low noise amplifier and method for energy biased radiation sensitive receiver |
| 08/21/1984 | CA1173152A1 Device for high frequency precorrection of the non- linearity of amplifiers for signals having at least one amplitude modulated carrier, and television transmitter equipped with such a device |
| 08/21/1984 | CA1173119A1 Bias generator |
| 08/21/1984 | CA1173118A1 Intergrator with sampling stage |
| 08/15/1984 | EP0115949A1 High impedance buffer |
| 08/15/1984 | EP0115766A1 Negative feedback broad band amplifier incorporating two negative feedback amplifiers |
| 08/14/1984 | US4465980 Predistortion circuit for a power amplifier |
| 08/14/1984 | CA1172709A1 Multiple function operational amplifier circuit |
| 08/02/1984 | WO1984003009A1 Tunable active filter |
| 07/31/1984 | US4463272 Automatic drift correction |
| 07/31/1984 | CA1171924A1 Power amplifier |
| 07/31/1984 | CA1171923A1 Linear high gain sampling amplifier |
| 07/24/1984 | US4462004 Dynamic class-4 FET amplifier |
| 07/24/1984 | US4462001 Baseband linearizer for wideband, high power, nonlinear amplifiers |
| 07/24/1984 | US4462000 Amplifier comprising means for eliminating direct voltage transients on the amplifier output |
| 07/24/1984 | US4461963 MOS Power-on reset circuit |
| 07/24/1984 | CA1171473A1 Amplifier arrangement |
| 07/18/1984 | EP0113588A2 Method of and apparatus for low noise current amplification |
| 07/17/1984 | US4460876 Low consumption, wide-band linear amplifier operating in sliding class A |
| 07/17/1984 | US4460875 Negative feedback amplifiers including directional couplers |
| 07/17/1984 | US4460872 Low noise differential amplifier |
| 07/10/1984 | US4459574 Driving circuit for a coil |
| 07/10/1984 | US4459554 Equalization amplifier |
| 07/10/1984 | US4459553 D.C. Stabilization circuit for a follower-type amplifier |
| 07/10/1984 | US4459552 Low-noise video preamplifier |
| 07/04/1984 | EP0112443A1 Reference voltage generating circuit |
| 07/04/1984 | EP0112358A1 Current mirror circuit arrangement. |
| 07/03/1984 | US4458284 Method for electrical and thermal protection of output devices of electronic amplifiers |
| 07/03/1984 | US4458213 Constant quiescent current, class AB amplifier output stage |
| 07/03/1984 | US4458212 Compensated amplifier having pole zero tracking |
| 07/03/1984 | US4458210 Distortion compensated cross-coupled differential amplifier circuit |
| 07/03/1984 | US4458208 Pulse width modulated signal amplifier |
| 06/26/1984 | US4456888 Radio frequency network having plural electrically interconnected field effect transistor cells |
| 06/26/1984 | US4456887 Differential amplifier |
| 06/26/1984 | CA1169922A1 Circuit including an mos transistor whose gate is protected from oxide rupture |
| 06/13/1984 | EP0110614A1 Current-limiting mechanism for a precision differential amplifier |
| 06/13/1984 | EP0110355A2 Output power control circuit for power amplifier |
| 06/12/1984 | US4454481 Shielded amplifier |
| 06/12/1984 | US4454480 Amplifying with cascaded class B amplifiers |
| 06/12/1984 | US4454479 Operational amplifier with improved output capability |
| 06/05/1984 | US4453264 Amplifier power supply controlled by audio signal |
| 06/05/1984 | US4453135 Amplifier circuit arrangement having two amplifiers with respectively different electrical properties |
| 06/05/1984 | US4453133 Active predistorter for linearity compensation |
| 06/05/1984 | US4453131 Transformer coupled amplifier circuit |
| 05/29/1984 | US4451802 Power amplifier |
| 05/29/1984 | US4451800 Input bias adjustment circuit for amplifier |
| 05/29/1984 | US4451799 B-Class complementary circuit |
| 05/23/1984 | EP0109070A1 MOS type semiconductor device |
| 05/22/1984 | US4450414 High temperature current mirror amplifier |
| 05/16/1984 | EP0108409A2 Temperature compensating voltage generator circuit |
| 05/16/1984 | EP0108408A2 Temperature compensating voltage generator circuit |
| 05/16/1984 | EP0108194A1 Selective push-pull amplifier circuit |
| 05/15/1984 | US4449158 Input protection circuit for MIS transistor |
| 05/15/1984 | US4449103 High power class B modulation amplifier for a broadcast transmitter |
| 05/08/1984 | US4447791 Power supply changeover type power amplifier |