| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 11/06/1979 | US4173739 Overload detecting circuit for a PWM amplifier |
| 10/30/1979 | US4172999 Self-biasing amplifier stage |
| 10/23/1979 | US4172238 Differential amplifiers |
| 10/23/1979 | US4172237 Low distortion amplifier |
| 10/16/1979 | CA1064583A1 Differential amplifier |
| 10/03/1979 | EP0004479A1 Improvements in and relating to electronic amplifier circuit arrangements |
| 10/02/1979 | US4169996 Operational amplifier with slew recovery enhancement |
| 09/18/1979 | US4168471 Source follower circuit using FETs |
| 09/11/1979 | US4167710 Pulse width modulated signal amplifier with protective means |
| 09/11/1979 | US4167709 Push-pull amplifier output circuit |
| 09/11/1979 | US4167708 Transistor amplifier |
| 09/11/1979 | US4167649 Current mirror circuit and apparatus for using same |
| 09/05/1979 | EP0003808A1 Large band width amplifier with a first and a second transistor stage |
| 08/28/1979 | CA1061468A1 Pwm signal amplifier |
| 08/21/1979 | US4165494 Bi-state linear amplifier |
| 08/21/1979 | US4164842 Buffer amplifier circuit |
| 08/14/1979 | US4164747 Semiconductor arrangement |
| 08/14/1979 | US4164716 Clock level shifting circuit |
| 08/14/1979 | US4164714 Polyphase PDM amplifier |
| 08/14/1979 | US4164688 Deflection amplifier |
| 08/14/1979 | CA1060573A1 Electrostatically bonded dielectric-on-semiconductor device, and a method of making the same |
| 08/07/1979 | US4163950 Isolating differential amplifier |
| 08/07/1979 | US4163947 Current and voltage autozeroing integrator |
| 08/07/1979 | US4163908 Bias circuit for complementary transistors |
| 07/31/1979 | US4163264 Noise improvement by capacitor bank in magnetic recording and playback apparatus |
| 07/31/1979 | US4163198 Audio amplifier |
| 07/31/1979 | US4163197 Audio-frequency power amplifier |
| 07/24/1979 | US4162456 Differential amplifying system |
| 07/24/1979 | US4162455 Amplifier systems |
| 07/17/1979 | US4161693 Clamped input common mode rejection amplifier |
| 07/10/1979 | US4160944 Current amplifier capable of selectively providing current gain |
| 07/10/1979 | CA1058321A1 Differential charge transfer sense amplifier |
| 07/03/1979 | US4160216 Apparatus for eliminating on-off transitional gain variations in class ab, b and c active element amplifiers |
| 06/28/1979 | WO1979000362A1 Semiconductor power amplifier circuit |
| 06/27/1979 | EP0002640A1 Receiver input stage protected against noise signals and receiver using such a stage |
| 06/26/1979 | US4159450 Complementary-FET driver circuitry for push-pull class B transistor amplifiers |
| 06/26/1979 | US4159449 Long-tailed-pair with linearization network |
| 06/26/1979 | US4159431 Electronic switch maintaining a predetermined state independent of supply voltage variation |
| 06/26/1979 | US4159430 Charge transfer device for processing video-frequency signals |
| 06/19/1979 | US4158863 Input overload protection circuit |
| 06/19/1979 | US4158843 Automatic direction finder antenna preamplifier processor |
| 06/19/1979 | US4158820 Low level preamplifier circuit |
| 06/19/1979 | CA1056919A1 Automatic compensating circuit |
| 06/12/1979 | US4158179 Amplifier circuit |
| 05/29/1979 | US4156923 Method and apparatus for performing matrix multiplication or analog signal correlation |
| 05/29/1979 | US4156854 Differential amplifier balancing system |
| 05/29/1979 | CA1055577A1 Radio frequency protection circuit |
| 05/29/1979 | CA1055576A1 Operational amplifier |
| 05/22/1979 | CA1055125A1 Pulse width modulated signal amplifier |
| 05/22/1979 | CA1054853A1 Bellows pump and pumping plant for oil-filled electric cables |
| 05/08/1979 | US4153883 Electrically alterable amplifier configurations |
| 05/08/1979 | US4153882 High-efficiency amplifier |
| 05/08/1979 | US4153820 Paging amplifier for a key telephone system |
| 05/01/1979 | US4152666 FET Amplifier comprising a circulator for an input signal as an isolator |
| 05/01/1979 | US4152663 Amplifier arrangement |
| 05/01/1979 | US4152662 Preamplifier having integrated circuitry |
| 05/01/1979 | US4152660 Isolation amplifier |
| 05/01/1979 | US4152659 Low noise differential amplifier |
| 05/01/1979 | US4152595 Charge sensing circuit |
| 04/24/1979 | US4151484 Radiation-hardened transistor amplifiers |
| 04/24/1979 | US4151483 Radiation-hardened transistor amplifiers |
| 04/24/1979 | US4151482 Folded-cascode amplifier stages |
| 04/24/1979 | US4151479 Low frequency power amplifier using MOS FET's |
| 04/24/1979 | US4151476 Magnetic bubble traveling wave amplifier |
| 04/24/1979 | CA1053366A1 Television display apparatus having a video amplifier |
| 04/24/1979 | CA1053328A1 Current regulating circuits |
| 04/17/1979 | US4150309 Transistor circuit having a plurality of constant current sources |
| 04/03/1979 | US4147992 Amplifier circuit having a high degree of common mode rejection |
| 04/03/1979 | US4147971 Impedance trim network for use in integrated circuit applications |
| 03/27/1979 | US4146846 Amplifier having a high frequency boost network |
| 03/27/1979 | US4146845 Audio amplifier output circuit |
| 03/27/1979 | US4146844 Feed-forward amplifier |
| 03/27/1979 | US4146801 Apparatus for protecting power transistors in an h configuration power amplifier |
| 03/20/1979 | US4145666 Multistage amplifier circuit |
| 03/13/1979 | US4144502 Negative feedback amplifiers of PWM-type |
| 03/06/1979 | US4142405 Strain gauge arrangements |
| 02/20/1979 | US4140977 Signal translation circuits |
| 02/20/1979 | US4140976 Thermally stable push-pull amplifier |
| 02/20/1979 | US4140960 Current control circuit |
| 02/20/1979 | US4140926 Inverted transistor circuits for monolithic integrated circuit application |
| 02/20/1979 | US4140914 Isolated signal conditioner |
| 02/20/1979 | US4140878 Stereo demodulator system |
| 02/20/1979 | US4140874 Automatic compensating circuit |
| 02/20/1979 | CA1049106A1 Bias circuit for fet |
| 02/13/1979 | USRE29910 Current mirror amplifier |
| 02/08/1979 | WO1979000050A1 An improved interferometric amplifier |
| 02/06/1979 | US4138649 Amplifier system |
| 02/06/1979 | US4138641 Instrument amplifier and load driver having offset elimination and common mode rejection |
| 01/30/1979 | US4137506 Compound transistor circuitry |
| 01/16/1979 | US4135162 Power amplifier circuits |
| 01/16/1979 | CA1046633A1 Transient suppression for tape player integrated circuit preamplifier |
| 01/16/1979 | CA1046596A1 Transistor amplifier |
| 01/09/1979 | US4134077 Amplifier circuit operable over a wide temperature range |
| 01/09/1979 | US4134076 Pulse width modulated signal amplifier |
| 01/09/1979 | CA1046143A1 Electronic circuit using field effect transistor with compensation means |
| 01/02/1979 | US4132958 Feedbeside correction circuit for an amplifier |
| 12/26/1978 | US4131860 Power amplifier arrangement automatically matched to service conditions |
| 12/19/1978 | US4130725 Split-coil speaker with direct coupling |
| 12/19/1978 | CA1044770A1 Single ended class d amplifier |
| 12/12/1978 | US4129839 Radio frequency energy combiner or divider |