| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 04/05/1977 | US4016460 Electronic protection for power amplifier |
| 04/05/1977 | US4016431 Optimal driver for LSI |
| 03/29/1977 | US4015219 Electronic circuit using field effect transistor with compensation means |
| 03/29/1977 | US4015215 Push-pull power amplifier circuit |
| 03/29/1977 | US4015214 Push-pull amplifier |
| 03/29/1977 | US4015213 Pulse width modulated signal amplifier |
| 03/29/1977 | US4015212 Amplifier with FET having gate leakage current limitation |
| 03/29/1977 | US4015149 Temperature compensating device for devices having semiconductors |
| 03/29/1977 | US4015117 Unbiased modulated photo sensing systems |
| 03/22/1977 | US4013974 Microstrip broadband avalanche diode amplifier |
| 03/22/1977 | US4013973 Amplifier arrangement |
| 03/22/1977 | US4013971 Integrated amplifier |
| 03/22/1977 | US4013940 Semiconductor circuit device |
| 03/22/1977 | US4013904 Darlington transistor switching circuit for reactive load |
| 03/08/1977 | US4011518 Microwave GaAs FET amplifier circuit |
| 03/01/1977 | US4010492 Using a radio feedback link to the engineer |
| 03/01/1977 | US4010426 Rf power amplifier parallel redundant system |
| 03/01/1977 | US4010425 Current mirror amplifier |
| 02/22/1977 | US4009446 Dual diode microwave amplifier |
| 02/15/1977 | US4008442 Signal amplifier circuit with a field effect transistor having current unsaturated triode vacuum tube characteristics |
| 02/15/1977 | US4008441 Current amplifier |
| 02/15/1977 | US4008406 Electronic circuit using field effect transistor with compensation means |
| 02/08/1977 | US4007427 Cascaded transistor amplifier stages |
| 02/01/1977 | US4006369 Current generator including a rate discriminator |
| 01/25/1977 | US4005373 Transient elimination circuit |
| 01/25/1977 | US4005372 Frequency tunable microwave apparatus having a variable impedance hybrid idler circuit |
| 01/25/1977 | US4005371 Bias circuit for differential amplifier |
| 01/18/1977 | US4004247 Voltage-current converter |
| 01/18/1977 | US4004246 Pulse width modulated signal amplifier |
| 01/18/1977 | US4004245 Wide common mode range differential amplifier |
| 01/18/1977 | US4004244 Dynamic current supply |
| 01/18/1977 | US4004243 Amplifier with current gain inversely proportional to transistor hfe |
| 01/18/1977 | US4004242 Apparatus for supplying symmetrically limited bidirectional signal currents |
| 01/18/1977 | US4004241 Hybrid feedback amplifier of a push-pull type |
| 01/18/1977 | US4004240 Phase-splitter circuits |
| 01/18/1977 | US4004164 Field effect transistor |
| 01/11/1977 | US4002993 Differential amplifier |
| 01/11/1977 | US4002930 Phase switching circuit |
| 01/04/1977 | US4001731 Device for optionally realizing two mutually complementary functions |
| 01/04/1977 | US4001711 Radio frequency power amplifier constructed as hybrid microelectronic unit |
| 01/04/1977 | US4001709 Active dual channel tuning control |
| 01/04/1977 | US4001707 Amplifier circuit |
| 01/04/1977 | US4001706 Single-ended/push-pull converter |
| 01/04/1977 | US4001703 Transmission line interface circuit |
| 12/28/1976 | US4000475 Audio amplifier arrangement |
| 12/28/1976 | US4000474 Signal amplifier circuit using a field effect transistor having current unsaturated triode vacuum tube characteristics |
| 12/28/1976 | US4000411 MOS logic circuit |
| 12/21/1976 | US3999143 Pulse width modulated signal amplifier |
| 12/21/1976 | US3999142 Variable tuning and feedback on high power microwave transistor carrier amplifier |
| 12/21/1976 | US3999139 Monolithic alternately stacked IF amplifier |
| 12/21/1976 | US3999060 Device for receiver for optical signals |
| 12/14/1976 | USRE29079 Multiplier, divider and wattmeter using a switching circuit and a pulse-width and frequency modulator |
| 12/14/1976 | US3997852 RF amplifier |
| 12/14/1976 | US3997851 RF-drive equalizer for multicell microwave transistor |
| 12/14/1976 | US3997849 Push-pull amplifier |
| 12/07/1976 | US3996524 Linear amplifier utilizing adaptive biasing |
| 12/07/1976 | US3996462 Solid-state current transformer |
| 11/30/1976 | US3995229 High slew rate operational amplifier circuit |
| 11/30/1976 | US3995228 Active bias circuit for operating push-pull amplifiers in class A mode |
| 11/30/1976 | US3995227 Analog signal sample amplifiers |
| 11/30/1976 | US3995226 Audio amplifier |
| 11/30/1976 | US3995178 Pulse-width and frequency modulator circuit |
| 11/30/1976 | US3995174 Chopper and chopper-multiplexer circuitry for measurement of remote low-level signals |
| 11/30/1976 | US3995114 Ultra low current amplifier |
| 11/30/1976 | US3994286 Circuit arrangement for the processing of physiological measuring signals |
| 11/23/1976 | US3993869 Amplifying circuit for use with a high impedance source transducer |
| 11/16/1976 | US3992678 Protective circuit for transistor amplifier |
| 11/16/1976 | US3992669 Radio frequency protection circuit |
| 11/16/1976 | US3992590 Matrix amplifying circuit |
| 11/09/1976 | US3991381 Linear high power transistor amplifier |
| 11/09/1976 | US3991380 Complementary field effect transistor differential amplifier |
| 11/09/1976 | US3991327 Film circuit |
| 11/02/1976 | US3990020 DC linear power amplifier |
| 11/02/1976 | US3990019 Power amplifier having protective circuits |
| 11/02/1976 | US3990018 Transistor differential amplifier circuit |
| 11/02/1976 | US3990017 Current amplifier |
| 11/02/1976 | US3989959 Low current drain amplifier incorporating feedback means for establishing sensitivity |
| 10/26/1976 | US3988693 Complementary push-pull amplifier device with protective circuit means |
| 10/26/1976 | US3988691 Power amplifier |
| 10/26/1976 | US3988690 Amplifier circuit having a floating input stage |
| 10/26/1976 | US3988689 Offset corrected amplifier |
| 10/26/1976 | US3988598 Multipurpose semiconductor circuits utilizing a novel semiconductor device |
| 10/19/1976 | US3987369 Direct-coupled FET amplifier |
| 10/19/1976 | US3987368 Equalization of base current flow in two interconnected transistor amplifiers |
| 10/12/1976 | US3986147 Power divider and power combiner utilizing isolator-mismatch and isolator-reflector devices |
| 10/12/1976 | US3986135 Anode arrangement for the output power amplifier of a short-wave transmitter |
| 10/12/1976 | US3986134 Push-pull amplifier circuitry |
| 10/12/1976 | US3986133 Wide-band transistor amplifier |
| 10/12/1976 | US3986132 Series energized transistor amplifier |
| 10/12/1976 | US3986131 Class AB-dual push-pull amplifier |
| 10/12/1976 | US3986060 Compound transistor circuitry |
| 10/05/1976 | US3984783 Amplifier |
| 10/05/1976 | US3984782 Bias control circuit for an audio amplifier utilizing an unsaturated junction type FET |
| 10/05/1976 | US3984781 Bias control circuit for an audio amplifier utilizing an unsaturated junction type FET |
| 10/05/1976 | US3984780 CMOS voltage controlled current source |
| 09/28/1976 | US3983503 High voltage amplifier |
| 09/28/1976 | US3983502 Bridge-output amplifier with direct-coupled differential-mode feedback |
| 09/28/1976 | US3983334 Matrix and equalizer circuit with gain control |
| 09/21/1976 | US3982197 Radiation responsive voltage dividing circuit |
| 09/21/1976 | US3982196 Differential voltage amplifier |