| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 01/27/1987 | US4639683 Very low input current JFET amplifier |
| 01/27/1987 | US4639134 Process and circuit arrangement for amplifying an input current |
| 01/27/1987 | CA1217246A1 Wide band amplifier limiter device |
| 01/21/1987 | EP0209334A1 Current mirror circuit |
| 01/21/1987 | EP0208765A1 Automatic reduction of intermodulation products in high power linear amplifiers. |
| 01/20/1987 | US4638382 Push-pull amplifier and method for operation, particularly recording amplifier for video tape recorders |
| 01/20/1987 | US4638261 Low noise amplifier with high intercept point |
| 01/20/1987 | US4638260 Audio amplifier |
| 01/20/1987 | US4638259 CMOS differential amplifier stage with bulk isolation |
| 01/20/1987 | US4638258 Reference load amplifier correction system |
| 01/15/1987 | WO1987000367A1 Electronic circuit element with field-effect transistor operation, applications of this circuit element, and substitution circuit for such an element |
| 01/14/1987 | EP0208481A2 Amplifying arrangements |
| 01/14/1987 | EP0208433A2 Response-gain independent amplifier |
| 01/14/1987 | EP0208365A1 Voltage-current converter |
| 01/14/1987 | EP0112387B1 Stabilized high efficiency radio frequency amplifier |
| 01/13/1987 | US4636744 Front end of an operational amplifier |
| 01/13/1987 | US4636743 Front end stage of an operational amplifier |
| 01/13/1987 | US4636742 Constant-current source circuit and differential amplifier using the same |
| 01/13/1987 | US4636741 Multi-level power amplifying circuitry for portable radio transceivers |
| 01/13/1987 | US4636740 Control circuit for varying power output of push-pull tube amplifiers |
| 01/13/1987 | CA1216662A1 Feedback kinescope driver |
| 01/08/1987 | DE3522635A1 High-frequency amplifier with detector for multi-carrier operation, and application |
| 01/06/1987 | US4635005 Quadrupole for matching of a reactance, independently of the operating frequency |
| 01/06/1987 | US4634996 Operational amplifier |
| 01/06/1987 | US4634994 Bipolar logical circuit arrangement for signal regeneration |
| 01/06/1987 | US4634993 High gain, low drift operational amplifier for sample and hold circuit |
| 01/06/1987 | US4634992 Magnetron amplifier power combiner |
| 01/06/1987 | CA1216329A1 Current stabilizing arrangement |
| 01/02/1987 | DE3523426A1 Audio amplifier arrangement with an electrodynamic loudspeaker, in particular an active loudspeaker |
| 12/31/1986 | CN86102750A Narrow band electroencephalographic amplifier |
| 12/30/1986 | US4633425 Switched capacitor filter utilizing a differential input and output circuit |
| 12/30/1986 | US4633223 DC offset correction circuit utilizing switched capacitor differential integrator |
| 12/30/1986 | US4633192 Integrated circuit operating as a current-mirror type CMOS amplifier |
| 12/30/1986 | US4633188 Mixer/amplifier circuit |
| 12/30/1986 | US4633166 Buffer circuit suitable for low voltage operation |
| 12/30/1986 | US4633100 Darlington transistor arrangement |
| 12/30/1986 | EP0206607A2 Wideband feedback amplifier |
| 12/30/1986 | EP0206424A2 R.F. Power amplifier |
| 12/30/1986 | EP0205838A1 High voltage amplifier |
| 12/30/1986 | EP0205756A2 Working-point stabilized and linearized travelling-wave tube amplifier |
| 12/30/1986 | EP0205539A1 Active circuit element |
| 12/23/1986 | US4631739 High dynamic range charge amplifier |
| 12/23/1986 | US4631495 Low-noise RF preamplifier (especially for nuclear magnetic resonance system) |
| 12/23/1986 | US4631494 Conductive housing and biasing system for microwave integrated circuits |
| 12/23/1986 | US4631493 Circuit for DC biasing |
| 12/23/1986 | US4631492 Ultra high frequency power amplifier |
| 12/23/1986 | US4631491 Bipolar transistor RF power amplifier |
| 12/23/1986 | US4631490 Audio output amplifying device |
| 12/17/1986 | EP0204915A1 Balanced differential amplifier |
| 12/16/1986 | US4630315 Polar loop transmitter |
| 12/16/1986 | US4629997 Amplifier active load |
| 12/16/1986 | US4629910 High input impedance circuit |
| 12/16/1986 | US4629880 Gate bias generating circuit for field effect transistors |
| 12/16/1986 | CA1215438A1 Circuit arrangement comprising an isolator integral with an admittance element |
| 12/16/1986 | CA1215435A1 Transistorized amplification stage polarization device and utilization of same in such amplification stage |
| 12/09/1986 | US4628281 Feedback amplifier with reduced distortion |
| 12/09/1986 | US4628280 Amplifier arrangement |
| 12/09/1986 | US4628279 Wideband feedback amplifier |
| 12/09/1986 | US4628278 For amplifying an input signal |
| 12/09/1986 | US4628276 Logarithmically linearly controlled variable gain amplifier |
| 12/09/1986 | US4628275 Efficient power amplifier for high capacitive devices |
| 12/09/1986 | US4628274 Amplifier with input drift voltage compensation |
| 12/09/1986 | CA1215173A1 Signal processing circuit |
| 12/04/1986 | WO1986007217A1 Pulse alignment system |
| 12/04/1986 | WO1986007216A1 Rf input drive saturation control loop |
| 12/04/1986 | WO1986007215A1 Improvements in or relating to transconductors |
| 12/03/1986 | EP0203777A2 Space amplifier |
| 12/03/1986 | EP0203705A2 Gallium arsenide differential amplifier with closed loop bias stabilization |
| 12/03/1986 | EP0203475A2 Integrated circuit RF amplifier module |
| 12/03/1986 | CN85104346A Alternating millivoltmeter having single composited tube amplifier |
| 12/02/1986 | US4626818 Multilayer-alumina substrate, in organic glaze, conductor pattern and second inorganic glaze |
| 12/02/1986 | US4626795 Differential amplifier |
| 12/02/1986 | US4626794 Amplifier circuit using a P channel MOS transistor |
| 12/02/1986 | US4626793 Receiver amplifier for amplification of a photoelectric current |
| 12/02/1986 | US4626715 MOS FET amplifier output stage |
| 12/02/1986 | US4626678 Light detecting circuit |
| 12/02/1986 | CA1214880A1 Precision current-source arrangement |
| 11/26/1986 | EP0202708A2 D.C. block capacitor circuit |
| 11/25/1986 | US4625179 Space feedback apparatus for field effect transistors |
| 11/20/1986 | EP0201964A1 Amplifier for high frequencies |
| 11/18/1986 | US4623849 Broadband high power IMPATT amplifier circuit |
| 11/18/1986 | US4623848 Microwave preamplifier |
| 11/18/1986 | US4623786 Transimpedance amplifier with overload protection |
| 11/18/1986 | CA1214269A1 Signal translating circuits |
| 11/18/1986 | CA1214229A1 Circuit arrangement for converting an input voltage into a proportional output signal |
| 11/18/1986 | CA1214228A1 Audio frequency amplifier supplied with dynamic power on demand |
| 11/12/1986 | EP0105911B1 A circuit for a high impedance signal source |
| 11/11/1986 | US4622521 Precision operational amplifier using data sampling |
| 11/04/1986 | US4621239 Gallium arsenide travelling-wave transistor oscillators for millimeter wave applications |
| 11/04/1986 | US4621238 Differential amplifier circuit having controllable gain |
| 11/04/1986 | CA1213655A1 Anti-log power amplifier |
| 10/29/1986 | EP0199381A1 Amplifier arrangement |
| 10/29/1986 | EP0199219A2 Narrow band electroencephalographic amplifier |
| 10/29/1986 | CN85102973A Electric current and voltage conversion amplifier and especially preliminary amplifier of light-receiving device |
| 10/28/1986 | US4620161 Composite transistor circuit |
| 10/28/1986 | US4620108 Means providing independently controlled superimposed AC and DC voltages |
| 10/21/1986 | US4619001 Tuning systems on dielectric substrates |
| 10/21/1986 | US4618838 Impedance adjusting element for a microstrip circuit |
| 10/21/1986 | US4618833 Operational amplifier offset trim that does not change the offset potential temperature drift |
| 10/21/1986 | US4618832 Differential amplifier with improved power supply rejection ratio |