Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272) |
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07/22/1986 | US4602172 High input impedance circuit |
07/22/1986 | CA1208315A1 Amplifier circuit |
07/15/1986 | US4600893 Differential amplifier with improved dynamic range |
07/15/1986 | US4600847 Predistortion equalizing circuit |
07/15/1986 | CA1207850A1 Feedback amplifier |
07/15/1986 | CA1207849A1 Wideband kinescope driver amplifier |
07/08/1986 | US4599578 Protection circuit |
07/08/1986 | US4599577 Transistorized amplification stage with improved polarization device |
07/08/1986 | US4599575 Broad-band differential amplifier with double reverse feed-back of common mode |
07/08/1986 | US4599572 Voltage adder circuit |
07/08/1986 | US4599571 Level compensation circuit |
07/08/1986 | CA1207391A1 High efficiency radio frequency signal amplification apparatus |
07/08/1986 | CA1207384A1 Power supply circuit |
07/02/1986 | EP0185908A2 High frequency energy source |
07/01/1986 | US4598255 Power amplifier apparatus |
06/25/1986 | EP0185412A1 Circuit arrangement for reducing the occurrence of spurious signals on an output of an electronic circuit when the circuit power supply is switched on and off |
06/25/1986 | EP0185411A1 Switching device for suppressing a signal |
06/24/1986 | US4596961 Amplifier for modifying a signal as a function of temperature |
06/24/1986 | US4596956 Current amplifiers |
06/24/1986 | US4596939 Schmitt trigger input gate having delayed feedback for pulse width discrimination |
06/24/1986 | CA1206543A1 Tunable active filter |
06/24/1986 | CA1206537A1 Device for compensating temperature drifts of the gain of an ultra-high frequency electric signal amplifier |
06/17/1986 | US4596043 High efficiency radio frequency signal amplifier for amplifying modulated radio frequency signals in a manner generating minimal splatter |
06/17/1986 | US4595883 Emitter-follower type single-ended push-pull circuit |
06/17/1986 | US4595882 Phase adjusted feedforward error correction |
06/17/1986 | US4595874 Temperature insensitive CMOS precision current source |
06/17/1986 | CA1206217A1 Differential operational amplifier with common mode feedback |
06/11/1986 | EP0184483A1 Low-noise broadband amplifier for metric waves |
06/10/1986 | US4594562 Amplifier with current-voltage conversion, particularly preamplifier of an optical receiver |
06/10/1986 | US4594561 Audio amplifier with resistive damping for minimizing time displacement distortion |
06/10/1986 | US4594560 Precision setting of the bias point of an amplifying means |
06/10/1986 | US4594558 High-switching-speed d.c. amplifier with input-offset current compensation |
06/10/1986 | CA1205879A1 Gate-coupled field-effect transistor pair amplifier |
06/04/1986 | EP0182908A1 Fiber optic communication module |
06/03/1986 | US4593252 Enhanced transconductance amplifier |
06/03/1986 | US4593250 Operational amplifier compensation technique for biquadratic notch active filters |
05/28/1986 | EP0182427A1 Amplifier arrangement |
05/28/1986 | EP0181951A1 High-frequency power amplifier |
05/27/1986 | US4591802 Feedback amplifier circuit including cascade connected field effect transistors |
05/27/1986 | US4591801 Differential amplifier circuit |
05/27/1986 | US4591800 Linear power amplifier feedback improvement |
05/27/1986 | US4591743 Temperature compensated current sensing circuit |
05/27/1986 | US4591710 Ambient light and electromagnetic noise reduction circuit |
05/21/1986 | EP0181807A1 Device for the selective amplification of radioelectrical signals |
05/21/1986 | EP0181752A2 Extended range amplifier circuit |
05/21/1986 | EP0181613A2 Improved power amplifier circuit |
05/21/1986 | EP0181608A1 Reference load amplifier correction systemand method |
05/21/1986 | EP0181458A2 Suppressed-fundamental frequency three-way predistorter |
05/20/1986 | US4590437 High frequency amplifier |
05/20/1986 | US4590435 High input impedance differential amplifier |
05/20/1986 | US4590434 High dynamic range amplifier with low noise and low distortion |
05/14/1986 | EP0181206A2 Semiconductor devices |
05/14/1986 | EP0181171A2 Fast settling reference amplifier |
05/14/1986 | EP0180875A2 Improved frequency response amplifier |
05/13/1986 | US4588960 Output circuits of class B type electronic amplifiers |
05/13/1986 | US4588959 Hum neutralization circuit |
05/13/1986 | US4588958 Adjustable reflective predistortion circuit |
05/10/1986 | CN85107828A Precompensator with three terminal and a fondamental depressor |
05/06/1986 | US4587495 Cascode amplifier with an improved biasing arrangement |
05/06/1986 | US4587491 IC class AB amplifier output stage |
04/29/1986 | US4586004 Logic and amplifier cells |
04/29/1986 | US4586003 On-off rapidly switchable amplifier circuit with d-c feedback |
04/29/1986 | US4586002 Audio amplifying apparatus and method |
04/29/1986 | CA1203855A1 Buffer circuit |
04/29/1986 | CA1203845A1 Electronic power overload protection circuit |
04/22/1986 | US4584541 Digital modulator with variations of phase and amplitude modulation |
04/22/1986 | CA1203583A1 Current-limiting mechanism for a precision differential amplifier |
04/15/1986 | US4583052 Amplifier having complete isolation of power sources |
04/15/1986 | US4583051 Extended range amplifier circuit |
04/15/1986 | US4583049 Feed-forward circuit |
04/10/1986 | WO1986002215A1 Current source with adjustable temperature coefficient |
04/10/1986 | WO1986002214A1 High-frequency amplifier |
04/09/1986 | EP0176915A2 Circuit arrangement for offset correction of an integrated operational amplifier |
04/09/1986 | EP0176708A1 Temperature protection circuit with hysteresis |
04/08/1986 | US4581595 Phase shift network with minimum amplitude ripple |
04/08/1986 | US4581590 Multiple power supply power amplifier circuit |
04/08/1986 | US4581587 Solid state electrical musical instrument amplifier |
04/08/1986 | US4581541 Switch device equipped with muting function |
04/01/1986 | US4580105 Automatic reduction of intermodulation products in high power linear amplifiers |
04/01/1986 | US4580104 High voltage operational amplifier |
04/01/1986 | US4580103 Amplifier circuit arrangement for eliminating input signal offset in the output |
03/26/1986 | EP0174953A1 Compensation current generator |
03/25/1986 | US4578647 Amplifier circuit |
03/25/1986 | US4578576 Bar code reader with diode feedback in amplifier |
03/25/1986 | CA1202379A1 Output power control circuit for power amplifier |
03/18/1986 | US4577296 Compensation current generator |
03/18/1986 | US4577162 Clocked gain stage having differential inputs and outputs |
03/18/1986 | US4577160 Method of and apparatus for low noise current amplification |
03/18/1986 | US4577159 Low drift broadband amplifier |
03/11/1986 | US4575687 Voltage adjustable capacitance for frequency response shaping |
03/11/1986 | US4575686 Output stage for power amplifiers |
03/11/1986 | US4575685 Arrangement for cancelling the input bias current, at picoampere levels, in an integrated circuit |
03/11/1986 | CA1201775A1 Monolithic integrated circuit device including ac negative feedback type high frequency amplifier circuit |
03/05/1986 | EP0173370A1 Amplifier arrangement |
03/04/1986 | US4574253 Broadband control amplifier |
03/04/1986 | US4574249 Nonintegrating lightwave receiver |
03/04/1986 | US4574205 Temperature detecting transistor circuit |
03/04/1986 | CA1201492A1 Distortion compensation for a microwave amplifier |
02/27/1986 | WO1986001353A1 Optical receivers |
02/26/1986 | EP0172694A1 Optical receivers |