Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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05/31/1983 | US4386324 Planar chip-level power combiner |
05/31/1983 | US4386242 Impedance matching using active couplers |
05/31/1983 | CA1147405A1 Amplifier with cross-over current control |
05/25/1983 | EP0079559A1 Push-pull amplifier |
05/25/1983 | EP0079352A1 Transistor amplifier operating on ultra high frequency pulse mode. |
05/18/1983 | EP0079098A1 Amplifier with signal-dependent voltage supply source |
05/17/1983 | US4384261 Class A complementary single-ended push-pull amplifier |
05/17/1983 | US4384258 Electronic amplifiers |
05/17/1983 | US4384215 Capacitor element |
05/17/1983 | CA1146640A1 Amplifier arrangement with parallel-operated amplifier sections |
05/17/1983 | CA1146474A1 Current transfer amplifier |
05/11/1983 | WO1983001714A1 Amplifier suitable for low supply voltage operation |
05/11/1983 | EP0078347A1 Telecommunication line high-efficiency operational amplifier |
05/10/1983 | US4383223 CMOS Operational amplifier employing push-pull output stage |
05/10/1983 | US4383222 Half-wave signal isolator with compensator means to reduce temperature-dependent effects |
05/10/1983 | US4383205 Motor drive amplifier |
05/10/1983 | US4383189 Circuit arrangement for summing the powers of two isofrequential microwave signals |
05/10/1983 | US4383185 Switchable analog signal inverter |
05/04/1983 | EP0078189A1 Hyperfrequency power transmitter with field effect transistors, particularly for Doppler radar |
04/28/1983 | WO1983001544A1 High speed data bus structure and system |
04/28/1983 | WO1983001543A1 Operational amplifier |
04/26/1983 | US4381487 Resonator coupled differential amplifier |
04/26/1983 | CA1145491A1 Rf amplifying system having image rejection |
04/26/1983 | CA1145419A1 Class ab push-pull amplifiers |
04/19/1983 | US4380741 Photocurrent compensation for electronic circuitry exposed to ionizing radiation |
04/19/1983 | US4380740 Current amplifier |
04/19/1983 | US4380739 Electronic differential controller |
04/19/1983 | US4380738 RF Amplifier apparatus |
04/19/1983 | CA1145033A1 Photo-feedback preamplifier circuit |
04/12/1983 | US4380022 Monolithic fully integrated class B push-pull microwave GaAs MESFET with differential inputs and outputs with reduced Miller effect |
04/12/1983 | US4380005 Dynamic zero offset compensating circuit for A/D converter |
04/12/1983 | US4379996 Enhancement of class C operation of bipolar junction transistor |
04/12/1983 | US4379639 Alarm watch with remote sonic amplifier |
04/05/1983 | US4379269 RF Amplifier having automatic gate bias switching in response to band selection |
04/05/1983 | US4379268 Differential amplifier circuit |
04/05/1983 | US4379267 Low power differential amplifier |
04/05/1983 | CA1144245A1 Voltage offset circuit for low voltage 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 | US4378529 Differential amplifier input stage capable of operating in excess of power supply voltage |
03/29/1983 | US4378528 Gain-controlled amplifier system |
03/23/1983 | EP0074680A2 Differential amplifier |
03/17/1983 | WO1983000965A1 Transistor amplifier |
03/16/1983 | EP0074294A1 Hyperfrequency amplifier with field effect transistors, particularly for a Doppler radar |
03/16/1983 | EP0074137A1 Apparatus for electroacoustic energy conversion |
03/16/1983 | EP0073929A2 Integrable signal processing semiconductor circuit |
03/16/1983 | EP0073885A2 Control amplifier for a phase-locked loop |
03/15/1983 | CA1143018A1 Operational amplifier with increased settling speed |
03/09/1983 | EP0073353A1 Semiconductor amplifier circuit |
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 |
02/16/1983 | EP0072082A1 Differential amplifier circuit with precision active load |
02/15/1983 | US4374363 Balanced impedance coupler |
02/15/1983 | CA1141442A1 Selective amplifier |
02/09/1983 | EP0071528A2 Offset compensation for switched capacitor integrators |
02/08/1983 | CA1141000A1 Push-pull switching power amplifier |
02/01/1983 | US4371845 Modular microwave power divider-amplifier-combiner |
02/01/1983 | US4371844 Differential load circuit equipped with field-effect transistors |
02/01/1983 | US4371843 Semiconductor differential amplifier circuit with feedback bias control |
02/01/1983 | US4371840 Gain control circuit for pulse width modulation amplifier |
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 |
01/20/1983 | WO1983000265A1 Power amplifier capable of simultaneous operation in two classes |
01/18/1983 | US4369518 Compact antenna system |
01/18/1983 | US4369411 Circuit for converting single-ended input signals to a pair of differential output signals |
01/18/1983 | US4369410 Monolithically integrable transistor amplifier having gain control means |
01/18/1983 | US4369409 Low-frequency power amplifier |
01/18/1983 | CA1139851A1 Circuit arrangement for producing and stable amplification of broad-band rf signals |
01/11/1983 | US4368420 Supply voltage sense amplifier |
01/11/1983 | CA1139379A1 Modular amplifier with discrete power reduction switching |
01/11/1983 | CA1139378A1 Transistorized single ended push-pull amplifier having no cross-over distortion |
01/05/1983 | EP0069072A2 Amplifier circuit |
01/05/1983 | EP0068900A2 Differential amplifier containing a low-pass filter |
01/05/1983 | EP0068203A1 Semiconductor power element with protection circuit |
01/04/1983 | US4367443 Radio frequency signal power amplifier |
01/04/1983 | US4367442 Distortion correction circuit for a power amplifier |
01/04/1983 | US4367419 Analog switch |
01/04/1983 | CA1138943A1 Charge amplifier with minimum offset voltage |
01/04/1983 | CA1138942A1 Input overload protection circuit |
01/04/1983 | CA1138929A1 Voltage-to-current converter |
12/29/1982 | EP0067825A1 Pulse width modulated power amplifier. |
12/28/1982 | US4366455 Two layers of aluminum on silica |
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 | US4366445 Floating NPN current mirror |
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 | US4366398 Amplifier circuit |
12/28/1982 | CA1138570A1 Anti-latch circuit for power output devices using inductive loads |
12/22/1982 | EP0067447A2 Current mirror circuit |
12/22/1982 | EP0067269A1 Isolation transformer |
12/21/1982 | US4365209 Impedance transducer |
12/21/1982 | US4365208 Gain-controlled amplifier using a controllable alternating-current resistance |
12/21/1982 | US4365207 Integrated high frequency amplifier |
12/21/1982 | US4365206 Differential amplifier |
12/21/1982 | CA1138059A1 Split-band redundant amplifier system |