| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 05/12/1987 | CA1221747A1 Multi-stage amplifier with frequency compensation |
| 05/07/1987 | WO1987002844A1 High-fidelity audio frequency amplifier |
| 05/07/1987 | WO1987002843A1 Multi-level power amplifying circuitry for portable radio transceivers |
| 05/07/1987 | DE3538584A1 Arrangement comprising a plurality of field effect transistors operating in parallel and applications |
| 05/07/1987 | DE3537109A1 Transistor amplifier for a video output stage |
| 05/06/1987 | EP0220403A1 Series network arrangement adjustable in stages |
| 05/05/1987 | US4663749 Apparatus for reproducing information from an optically readable record carrier |
| 05/05/1987 | US4663599 Integrated circuit amplifier module |
| 04/29/1987 | EP0219855A2 Method for searching and sounding inhomogeneities, and circuitry for carrying out this method |
| 04/29/1987 | EP0219682A2 A current to voltage converter circuit |
| 04/28/1987 | US4661781 Amplifier with floating inverting and non-inverting inputs and stabilized direct output voltage level |
| 04/28/1987 | US4661780 Differential stage particularly for active filters |
| 04/28/1987 | US4661779 Operational amplifier |
| 04/28/1987 | CA1221157A1 Circuit arrangement comprising an amplifier and an electronic selector switch |
| 04/22/1987 | EP0219183A2 Class B amplifier |
| 04/22/1987 | EP0219135A2 Memory device |
| 04/21/1987 | US4659998 Voltage follower |
| 04/21/1987 | US4659997 Differential voltage measuring circuit |
| 04/21/1987 | US4659979 High voltage current source circuit and method |
| 04/15/1987 | EP0218333A1 Bias circuit for fet |
| 04/15/1987 | EP0218152A1 Switching amplifier |
| 04/14/1987 | US4658220 Dual-gate, field-effect transistor low noise amplifier |
| 04/14/1987 | US4658219 Folded cascode field-effect transistor amplifier with increased gain |
| 04/14/1987 | US4658160 Common gate MOS differential sense amplifier |
| 04/14/1987 | US4658157 IGFET comparator circuit having greater control of intended offset voltage |
| 04/14/1987 | CA1220519A1 Current mirror circuit with control means for establishing an input-output current ratio |
| 04/09/1987 | WO1987002186A1 Non-reactive radial line power divider/combiner with integral mode filters |
| 04/09/1987 | DE3632715A1 Switching amplifier |
| 04/08/1987 | EP0217431A1 Amplifier arrangement |
| 04/08/1987 | EP0217200A1 Switching amplifier |
| 04/08/1987 | EP0216765A1 Optical receiver. |
| 04/07/1987 | US4656438 Power combining cavity |
| 04/07/1987 | US4656437 CMOS operational amplifier with improved common-mode rejection |
| 04/07/1987 | US4656436 CMOS transconductance circuit with triode mode input |
| 04/07/1987 | US4656435 Constant biasing circuit and operational amplifier using said circuit |
| 04/07/1987 | US4656434 RF power amplifier with load mismatch compensation |
| 04/07/1987 | US4656429 Voltage comparison circuit with ripple component elimination |
| 04/07/1987 | US4656350 Opto-electronic selector having a plurality of optical signal inlets |
| 04/01/1987 | EP0216697A1 Control device for an output circuit of an integrated circuit |
| 04/01/1987 | EP0216432A2 RF circuit arrangement |
| 03/31/1987 | US4654892 Electro-optical system using light modulation |
| 03/31/1987 | US4654712 High frequency wide bandwith video amplifier with high tracking linearity |
| 03/31/1987 | US4654603 Low input-capacitance amplifier for driving guard shield conductors |
| 03/31/1987 | US4654602 Current mirror circuit |
| 03/31/1987 | US4654578 Differential reference voltage generator for NMOS single-supply integrated circuits |
| 03/25/1987 | EP0215216A1 Differential pair with compensation for effects of parasitic capacitance |
| 03/25/1987 | EP0215197A1 Video power amplifier and its supply |
| 03/25/1987 | EP0215156A1 Power supply |
| 03/25/1987 | CN86106002A B-type sound frequency power-amplifying technique |
| 03/24/1987 | US4652839 Waveguide-to-coaxial converter |
| 03/24/1987 | CA1219646A1 Push-pull amplifier |
| 03/18/1987 | EP0091488B1 Bus system |
| 03/18/1987 | CN85106483A Differential amplifiers with junction field effect transistor resistance |
| 03/17/1987 | US4651110 Circuit arrangement for zero point balancing of an integrated operational amplifier |
| 03/12/1987 | WO1987001533A1 Circuit for protecting against interference voltages occurring on signalling lines |
| 03/11/1987 | EP0213677A2 Differential amplifier with current steering to enhance slew rate |
| 03/11/1987 | EP0213634A1 Controlled-current source arrangement |
| 03/11/1987 | EP0213354A1 Spark-over protection device in a transmitter circuit |
| 03/10/1987 | US4649565 Electro-acoustic converter with compensated frequency response characteristic |
| 03/10/1987 | US4649352 Differential amplifier circuit |
| 03/10/1987 | CA1219045A1 Amplifier with rail-to-rail input capability and controlled transconductance |
| 03/10/1987 | CA1219044A1 Method of and apparatus for low noise current amplification |
| 03/05/1987 | DE3531645A1 Schaltungsanordnung zum schutz gegen auf signalleitungen auftretenden stoerspannungen Circuitry for protection against interference voltages occurring on signal lines |
| 03/04/1987 | EP0213032A2 Temperature compensated sense amplifier |
| 03/04/1987 | EP0212760A2 Circuit arrangement with a load coupled to the output of an amplifier |
| 03/04/1987 | EP0212665A2 Sense amplifier for static memory |
| 03/04/1987 | EP0212477A1 Power transistor device |
| 03/03/1987 | US4647869 Microwave solid-state amplifier |
| 03/03/1987 | US4647867 High-frequency, high-gain, push-pull amplifier circuit |
| 03/03/1987 | US4647866 Audio amplifier output stage |
| 03/03/1987 | US4647865 Parasitic insensitive switched capacitor input structure for a fully differential operational amplifier |
| 03/03/1987 | US4647840 Current mirror circuit |
| 03/03/1987 | US4647839 High precision voltage-to-current converter, particularly for low supply voltages |
| 03/03/1987 | US4647762 Optical receiver |
| 03/03/1987 | US4647175 Circuit arrangement for an electronic exposure meter |
| 02/25/1987 | EP0211210A1 Switching amplifier |
| 02/24/1987 | US4646028 GaAs monolithic medium power amplifier |
| 02/24/1987 | US4645945 Switching control circuit for a power transistor |
| 02/17/1987 | US4644517 Audio signal amplifier for an electromagnetic phono cartridge |
| 02/17/1987 | US4644301 Redundancy system and switching network |
| 02/17/1987 | US4644295 Balanced differential load and method |
| 02/17/1987 | US4644294 Device for protecting a push-pull output stage against a short-circuit between the output terminal and the positive pole of the supply |
| 02/17/1987 | US4644293 RF pulse modulated amplifier having conduction angle control |
| 02/17/1987 | US4644291 Operational amplifier |
| 02/17/1987 | US4644290 Metal detector audio amplifier |
| 02/17/1987 | US4644257 Band gap circuit |
| 02/11/1987 | CN86101843A Even q resonant amplifier |
| 02/10/1987 | US4642750 Circuit arrangement for switching a current in an inductive load |
| 02/10/1987 | US4642551 Current to voltage converter circuit |
| 02/10/1987 | US4642482 Level-shifting circuit |
| 02/10/1987 | US4642453 Apparatus for increasing the dynamic range in an integrating optoelectric receiver |
| 02/03/1987 | US4641378 Fiber optic communication module |
| 02/03/1987 | US4641107 Printed circuit radial power combiner with mode suppressing resistors fired at high temperature |
| 02/03/1987 | US4641106 Radial power amplifier |
| 02/03/1987 | US4641105 Apparatus and method for noise reduction in a linear amplifier |
| 01/29/1987 | WO1987000709A1 Composite audio amplifier |
| 01/28/1987 | EP0209987A2 Unity gain buffer amplifiers |
| 01/27/1987 | US4639686 High frequency amplifier circuit |
| 01/27/1987 | US4639685 Offset reduction in unity gain buffer amplifiers |
| 01/27/1987 | US4639684 Differential input stage for the realization of low noise and high precision bipolar transistor amplifiers |