| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 12/12/1978 | CA1044336A1 Amplifier |
| 12/05/1978 | US4128813 Amplifier |
| 11/28/1978 | CA1043457A1 Temperature compensated video signal processing circuit with a video signal clipping device |
| 11/28/1978 | CA1043431A2 Protective circuit for pulse width modulated signal amplifier |
| 11/28/1978 | CA1043420A1 Input supply independent circuit |
| 11/21/1978 | US4126830 Low leakage gate protection circuit |
| 11/21/1978 | CA1042995A1 Transistor amplifier having field effect transistors with stabilized drain bias current |
| 11/14/1978 | US4125814 High-power switching amplifier |
| 11/14/1978 | CA1042531A1 Temperature sensitive control circuit |
| 11/07/1978 | US4124824 Voltage subtractor for serial-parallel analog-to-digital converter |
| 11/07/1978 | US4124822 Isolation amplifier |
| 11/07/1978 | CA1042079A1 Linear amplifier utilizing transistor switching |
| 11/07/1978 | CA1042078A1 Transistor amplifier |
| 11/07/1978 | CA1042070A1 Transistor protective circuit with imminent failure sensing |
| 10/31/1978 | US4123723 Transistor amplifier circuit |
| 10/31/1978 | CA1041664A1 Memory array |
| 10/31/1978 | CA1041617A1 Transistor amplifier |
| 10/31/1978 | CA1041616A1 Transistor amplifier |
| 10/24/1978 | US4122542 Memory array |
| 10/24/1978 | US4122402 Buffer amplifier circuit suitable for manufacture in monolithic integrated circuit form |
| 10/24/1978 | US4122401 High efficiency power amplifier circuit |
| 10/24/1978 | CA1041184A1 Power amplifier using a plurality of parallel connected amplifier elements and having burn-out protection |
| 10/17/1978 | US4121205 Digital to analog converter with power amplification |
| 10/17/1978 | US4121169 Amplifier device |
| 10/17/1978 | US4121168 Optically coupled bias circuit for complementary output circuit and method |
| 10/17/1978 | CA1040721A1 Dual feedback amplifier |
| 10/17/1978 | CA1040720A1 Transistor amplifier with protective circuit |
| 10/10/1978 | US4119924 Switchable current amplifiers |
| 10/10/1978 | US4119921 Amplifier device for transmitting tetrode |
| 10/10/1978 | US4119920 Pulsed repeater amplifier |
| 10/10/1978 | CA1040279A1 Transistor amplifier |
| 10/10/1978 | CA1040278A1 Amplifier with field effect transistors having triode-type dynamic characteristics |
| 10/03/1978 | US4118671 Traveling wave tube circuit |
| 10/03/1978 | CA1039873A1 Amplifier circuit for increasing transmit and receive levels |
| 09/26/1978 | US4117418 Electric amplifier |
| 09/26/1978 | US4117417 Switchable current amplifiers |
| 09/26/1978 | US4117416 Current mirror amplifiers with programmable current gains |
| 09/26/1978 | US4117415 Bridge amplifiers employing complementary transistors |
| 09/26/1978 | US4117412 Phonograph preamplifier network with infrasonic cutoff response |
| 09/26/1978 | US4117411 Isolation circuit with duty cycle feedback |
| 09/26/1978 | CA1039368A1 Parallel-connection of semiconductor systems |
| 09/19/1978 | US4115742 Variable load line power amplifier |
| 09/19/1978 | US4115740 Push-pull pulse amplifier having improved turn-on and turn-off times |
| 09/19/1978 | US4115739 Power amplifier |
| 09/19/1978 | CA1038941A1 High speed current detection amplifier circuit |
| 09/12/1978 | US4114109 Amplifying circuit |
| 09/05/1978 | US4112387 Bias circuit |
| 09/05/1978 | US4112386 Modular radio frequency amplifier having a gain variable by external passive component selection |
| 09/05/1978 | US4112385 Sound amplifier circuit |
| 08/29/1978 | US4110635 Amplifying circuit |
| 08/29/1978 | US4110608 Two-terminal photodetectors with inherent AC amplification properties |
| 08/29/1978 | US4110568 Dual tone multifrequency generator |
| 08/29/1978 | US4110559 Loud-speaker output circuit |
| 08/29/1978 | CA1037622A1 Multiplexing switch with wide bandpass characteristics and high isolation impedance between inputs |
| 08/22/1978 | US4109215 Dual mode output amplifier for a sample and hold circuit |
| 08/22/1978 | US4109214 Unbalanced-to-balanced signal converter circuit |
| 08/22/1978 | US4109203 Delta-modulation encoder |
| 08/22/1978 | CA1037134A1 Generalized operational amplifier |
| 08/15/1978 | US4107621 Microwave signal amplifier |
| 08/15/1978 | US4107620 Regulated power supply with auto-transformer output and direct current feedback |
| 08/15/1978 | US4107619 Constant voltage - constant current high fidelity amplifier |
| 08/15/1978 | US4107618 Amplifier system having signal gain independent of a reference voltage |
| 08/08/1978 | US4105944 Quiescent biasing of r-f power transistors for other than class A operation |
| 08/08/1978 | US4105942 Differential amplifier circuit having common mode compensation |
| 08/08/1978 | US4105941 Driver for reactive load |
| 08/01/1978 | US4104678 Video switching circuit |
| 07/25/1978 | US4103249 Pnp current mirror |
| 07/25/1978 | US4103248 Voltage follower circuit |
| 07/25/1978 | US4103246 Switchable current amplifier |
| 07/25/1978 | US4103245 Transistor amplifier for low level signal |
| 07/18/1978 | US4101842 Differential amplifier |
| 07/18/1978 | US4101804 Traveling wave tube with depressed collector power supply |
| 07/11/1978 | USRE29700 Voltage-current converter |
| 07/11/1978 | US4100502 Class B FET amplifier circuit |
| 07/11/1978 | US4100501 Audio frequency power amplifier |
| 07/11/1978 | US4100438 Compound transistor circuitry |
| 07/04/1978 | US4099139 Power amplifier circuit |
| 07/04/1978 | US4099132 Negative differential mobility amplifier for a progressive wave |
| 06/27/1978 | US4097860 Offset compensating circuit |
| 06/27/1978 | US4097815 Amplifying circuit |
| 06/27/1978 | US4097814 Push-pull power amplifier |
| 06/20/1978 | US4096444 Active integrated circuit |
| 06/20/1978 | US4096443 Balanced source follower amplifier |
| 06/13/1978 | US4095189 Electronic power amplifier for delivering a constant power into a load impedance |
| 06/06/1978 | US4093925 Method and system of driving power field effect transistor |
| 05/30/1978 | US4092701 Ultra high input impedance/voltage range amplifier |
| 05/30/1978 | US4092616 Traveling wave power combining apparatus |
| 05/30/1978 | US4092613 Transistorized class ab power amplifier and its bias circuit |
| 05/30/1978 | US4092612 Amplifier circuits |
| 05/30/1978 | US4092611 Adaptively biased differential operational amplifier for photo diode |
| 05/30/1978 | US4092610 Modulated carrier amplifying system |
| 05/30/1978 | US4092608 Electronic circuitry |
| 05/30/1978 | US4092552 Bipolar monolithic integrated push-pull power stage for digital signals |
| 05/23/1978 | US4091334 Connection of a plurality of devices to a circular waveguide |
| 05/23/1978 | US4091333 Transconductance amplifier circuit |
| 05/23/1978 | US4091332 Traveling wave tube amplifier employing field emission cathodes |
| 05/23/1978 | US4091295 Transistor circuit |
| 05/16/1978 | US4090154 Matching arrangement for converting bi-directional signals into binary signals |
| 05/16/1978 | US4090149 Integrated degenerative amplifier |
| 05/16/1978 | US4090147 Interferometric amplifier |