| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 12/29/1987 | US4716380 FET differential amplifier |
| 12/29/1987 | US4716379 Differential amplifier including balanced two terminal series RC network |
| 12/23/1987 | EP0249729A1 Circuit arrangement for the automatic polarization of a push-pull end stage |
| 12/22/1987 | US4714900 Current output circuit having well-balanced output currents of opposite polarities |
| 12/22/1987 | US4714897 Monolithically integratable signal amplifier stage with high output dynamics |
| 12/22/1987 | US4714896 Precision differential amplifier having fast overdrive recovery |
| 12/22/1987 | US4714895 Internal all-differential operational amplifier for CMOS integrated circuits |
| 12/22/1987 | US4714894 Operational amplifier |
| 12/22/1987 | US4714845 Low offset voltage follower circuit |
| 12/22/1987 | US4714842 Integrated injection logic circuits |
| 12/16/1987 | EP0249287A1 Differential amplifier circuit and regenerator of complementary low-amplitude signals |
| 12/16/1987 | EP0249055A2 Power amplifiers for driving inductive loads |
| 12/16/1987 | EP0248789A1 High-fidelity audio frequency amplifier. |
| 12/15/1987 | US4713629 Semi-conductor transformerless audio amplifier |
| 12/15/1987 | US4713627 Active filter with bootstrapping |
| 12/15/1987 | US4713626 Operational amplifier utilizing JFET followers |
| 12/15/1987 | US4713624 Power amplifier with modified dynamic response |
| 12/15/1987 | US4713563 d.c. Block capacitor circuit for rejection of d.c. offset |
| 12/10/1987 | DE3636865A1 Arrangement for linearisation of an output stage |
| 12/09/1987 | EP0248575A2 Microwave apparatus |
| 12/09/1987 | EP0248428A2 Intermediate frequency amplification circuit capable of detecting a field strength with low electric power |
| 12/09/1987 | EP0248425A2 Emitter with a transistorized push-pull output stage |
| 12/09/1987 | EP0248381A1 Power voltage regulator circuit |
| 12/08/1987 | US4712091 Digital/analog converter having a switchable reference current |
| 12/03/1987 | DE3618033A1 Circuit arrangement for stereo reproduction |
| 12/02/1987 | EP0247991A1 Method and apparatus for the multichannel detecting and digital recording of low-frequency physiological signals having a small amplitude |
| 12/02/1987 | EP0247666A1 Amplifier arrangement |
| 12/02/1987 | EP0247615A1 Transmitter for short electromagnetic waves |
| 12/02/1987 | EP0142520B1 Circuit for effecting improved slew rate of operational amplifiers |
| 12/02/1987 | EP0080567B1 Semiconducter integrated current source |
| 12/01/1987 | US4710725 Preamplifier for an imaging system |
| 12/01/1987 | US4710652 Interference signal component compensation circuit |
| 11/24/1987 | US4709217 Differential current amplifier |
| 11/24/1987 | US4709154 Opto-electrical signal converter with stabilization |
| 11/19/1987 | EP0245955A2 Amplifying circuit arrangement |
| 11/19/1987 | DE3615925A1 Capacitively coupled integrating-type transimpedance amplifier |
| 11/17/1987 | US4707668 Method and apparatus for transferring and injecting rf energy from a generator to a resonant load |
| 11/17/1987 | US4707667 Offset corrected amplifier |
| 11/17/1987 | US4707624 Offset cancellation scheme for a differential reset stabilized latch |
| 11/12/1987 | DE3713833A1 Hybridschaltung Hybrid circuit |
| 11/11/1987 | EP0244973A2 Broadband differential amplifier |
| 11/10/1987 | US4706039 Amplifier arrangement |
| 11/10/1987 | US4706038 Wideband linear Darlington cascode amplifier |
| 11/10/1987 | US4706036 Differential amplifier having ratioed load devices |
| 11/10/1987 | US4706035 High efficiency amplifier having a bootstrap capacitor |
| 11/10/1987 | US4705967 Multifunction floating FET circuit |
| 11/10/1987 | CA1229138A1 Amplifier arrangement |
| 11/05/1987 | WO1987006781A1 Power amplifier module for a shaker |
| 11/04/1987 | EP0243792A1 Offset corrected amplifier |
| 11/03/1987 | US4704738 Transistor amplifier and mixer input stage for a radio receiver |
| 11/03/1987 | CA1228897A1 Differential reference voltage generator for nmos single-supply integrated circuits |
| 10/28/1987 | EP0242889A1 Method for the offset voltage compensation of a control amplifier, and circuit arrangement for carrying out the method |
| 10/28/1987 | EP0242439A2 Wideband amplifier with active high-frequency compensation |
| 10/27/1987 | US4703500 Power amplifier |
| 10/27/1987 | US4703285 Wideband amplifier with active high-frequency compensation |
| 10/27/1987 | US4703284 High-frequency amplifier |
| 10/27/1987 | US4703283 Isolation amplifier with T-type modulator |
| 10/27/1987 | US4703205 Uncompensated and compensated gallium arsenide input receivers |
| 10/21/1987 | EP0242304A1 Follower amplifier having a great slew rate |
| 10/21/1987 | EP0241785A2 Output driver circuit |
| 10/20/1987 | US4701720 Capacitive feedback to boost amplifier slew rate |
| 10/20/1987 | US4701719 Differential amplification circuit |
| 10/20/1987 | US4701718 CMOS high gain amplifier utilizing positive feedback |
| 10/20/1987 | US4701717 Operating point-stabilized linearized traveling wave tube amplifier |
| 10/20/1987 | US4701716 Parallel distributed signal amplifiers |
| 10/20/1987 | US4701638 Antisaturation circuit for integrated PNP transistor |
| 10/14/1987 | EP0240618A2 Power buffer circuit |
| 10/14/1987 | EP0102946B1 Gain regulation circuit |
| 10/13/1987 | US4700144 Differential amplifier feedback current mirror |
| 10/13/1987 | CA1228129A1 Transistor protection circuit |
| 10/07/1987 | EP0240247A2 High-current operational amplifier |
| 10/06/1987 | US4698599 Differential summing amplifier for inputs having large common mode signals |
| 10/06/1987 | US4698559 Power amplifiers for driving inductive loads |
| 10/06/1987 | US4698525 Buffered Miller current compensating circuit |
| 10/06/1987 | CA1227663A1 Variable current pressure transducer system |
| 09/30/1987 | EP0238869A2 Microwave device provided with coupled layers of magnetizable material and of semiconducting material |
| 09/29/1987 | US4697155 High voltage amplifier |
| 09/29/1987 | US4697154 Semiconductor integrated circuit having improved load drive characteristics |
| 09/29/1987 | US4697152 Fully differential switched capacitor amplifier having autozeroed common-mode feedback |
| 09/29/1987 | US4697112 Current-mirror type sense amplifier |
| 09/29/1987 | CA1227545A1 Biasing circuit for a field effect transistor |
| 09/23/1987 | EP0237933A2 Semiconductor device having Darlington-connected transistor circuit |
| 09/23/1987 | EP0237930A2 High frequency transmitter |
| 09/23/1987 | EP0237694A1 Circuit arrangement for evaluating AC signals obtained from a signal source |
| 09/23/1987 | EP0237605A1 Differential amplifier with NMOS transistors |
| 09/22/1987 | US4695940 Dynamic frequency divider with a mixer stage and an amplifier |
| 09/22/1987 | US4695740 Bidirectional buffer amplifier |
| 09/16/1987 | EP0237099A1 Wideband distributed amplifier circuit in the ultra-high frequency region |
| 09/16/1987 | EP0237086A1 Current mirror circuit |
| 09/16/1987 | EP0236538A1 Circuit arrangement involving a four-pole connected to the input with one pole and an amplifier for the compensation of a reference potential |
| 09/15/1987 | US4694155 Circuit arrangement to ascertain and indicate that a luminous density limit condition is exceeded |
| 09/09/1987 | EP0235978A1 Operational amplifier and method |
| 09/08/1987 | US4692712 Differential impedance neutralization circuit |
| 09/08/1987 | US4692711 Current mirror circuit |
| 09/02/1987 | EP0234968A1 Method for reading a photosensitive element consisting of a photodiode and a capacitor |
| 09/02/1987 | EP0234936A2 AM radio transmitter |
| 09/02/1987 | EP0234806A1 Full differential amplifier circuit and method for producing differential output signals |
| 09/02/1987 | EP0234655A1 Transconductance amplifier |
| 09/02/1987 | EP0234628A1 Circuit arrangement for supplying a drive voltage to a current source circuit |
| 09/02/1987 | EP0234627A1 Bridge amplifier |