| Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272) |
|---|
| 12/05/1995 | US5473498 Power amplifier over-voltage protection circuit |
| 12/05/1995 | US5473282 Audio amplifier arrangement |
| 12/05/1995 | CA2050680C Push-pull optical receiver |
| 11/30/1995 | WO1995032561A1 In-line predistorter for linearization of electronic and optical signals |
| 11/29/1995 | EP0684698A1 Class AB output amplifier stage |
| 11/29/1995 | EP0683939A1 Radio transceiver comprising an arrangement for compensating for a dc component |
| 11/28/1995 | US5471656 Communication apparatus utilizing high power amplifier |
| 11/28/1995 | US5471175 Input protection circuit for a CMOS comparator |
| 11/28/1995 | US5471174 Amplifier having an output stage with bias current cancellation |
| 11/28/1995 | US5471173 Cascaded amplifier having temperature compensation |
| 11/28/1995 | US5471172 "AB Cascode" amplifier in an input stage of an amplifier or comparator |
| 11/28/1995 | US5471171 Amplifier device capable of realizing high slew rate with low power consumption |
| 11/28/1995 | US5471170 Current-mode amplification system, and corresponding operational amplifier, gain section and amplification element |
| 11/28/1995 | US5471164 Microwave amplifier linearizer |
| 11/28/1995 | US5471131 Analog-to-digital converter and reference voltage circuitry |
| 11/28/1995 | CA2068425C Fast phase shift adjusting method and device for linear transmitter |
| 11/23/1995 | WO1995031762A1 Voltage regulator |
| 11/23/1995 | WO1995031761A1 Dual voltage voltage regulator with foldback current limiting |
| 11/23/1995 | WO1995027331A3 D.c. bias current compensation circuit for a nonlinear amplifier |
| 11/22/1995 | EP0630543B1 Circuit for transmitting small, low energy signals and large, essentially higher energy signals |
| 11/22/1995 | CN1112310A Potential AC/DC coupling amplifier |
| 11/21/1995 | US5469114 Loss less RF feedback for power amplifier linearization |
| 11/21/1995 | US5469107 Microwave amplifier |
| 11/21/1995 | US5469106 Voltage controlled amplifier which reduces differential gain |
| 11/21/1995 | US5469105 Transmitter and power amplifier therefor |
| 11/21/1995 | US5469104 Active folded cascode |
| 11/21/1995 | US5469092 Electronic circuit including means for reflecting signal current and feed forward means for compensating operational speed thereof |
| 11/16/1995 | WO1995031037A1 Phase linear class e amplifier for a satellite communication system |
| 11/16/1995 | WO1995031035A1 Thermally controlled, linear power reduction circuit |
| 11/16/1995 | WO1995031029A2 A method and apparatus for controlling power for subsystems |
| 11/15/1995 | EP0682406A1 Lineariser with broadband predistortion and temperature self-compensation for microwave amplifier |
| 11/15/1995 | EP0627118B1 Offset-compensated sample and hold arrangement and method for its operation |
| 11/14/1995 | US5467400 Solid state audio amplifier emulating a tube audio amplifier |
| 11/14/1995 | US5467058 Amplifier circuit with a stabilized bias in its output stage |
| 11/14/1995 | US5467056 Very high speed precision amplifier |
| 11/14/1995 | US5467055 Power amplifier and radio transmitter |
| 11/14/1995 | US5467034 Oxygen sensor interface circuit with optimized gain characteristics |
| 11/09/1995 | WO1995030272A2 Negative-resistance-compensated microwave buffer |
| 11/09/1995 | WO1995030271A1 Low-voltage cmos comparator |
| 11/09/1995 | DE4415619A1 Battery powered circuit for HF transmission amplifier |
| 11/08/1995 | EP0681367A1 Circuit for compensating an amplifier |
| 11/08/1995 | EP0681365A1 Electrostatic destruction preventing circuit and receiving apparatus having the same |
| 11/08/1995 | CN1111416A Solid state tube compression circuit |
| 11/07/1995 | US5465074 Amplifier output stage |
| 11/07/1995 | US5465067 Current clamping circuit |
| 11/07/1995 | US5465007 Semiconductor device |
| 11/01/1995 | CN1111042A Multi-stage solid stage amplifier that emulates tube distortion |
| 10/31/1995 | US5463350 Biasing circuit of an amplifier |
| 10/31/1995 | US5463348 CMOS low-power, wide-linear-range, well-input differential and transconductance amplifiers |
| 10/31/1995 | US5463347 MOS uni-directional, differential voltage amplifier capable of amplifying signals having input common-mode voltage beneath voltage of lower supply and integrated circuit substrate |
| 10/31/1995 | US5463309 Variable voltage to current conversion circuit |
| 10/31/1995 | US5463308 Voltage-current converter |
| 10/26/1995 | DE19508187A1 Ultra-precise alternating voltage amplifier |
| 10/25/1995 | EP0678976A1 Apparatus and method for reducing distortion in amplification |
| 10/25/1995 | EP0678975A1 Low frequency amplifier |
| 10/25/1995 | EP0420974B1 Tunable resonance amplifier |
| 10/25/1995 | EP0329793B1 High-speed electronic circuit having a cascode configuration |
| 10/18/1995 | EP0677921A2 Method and apparatus for compensating for temperature fluctuations in the input to a gain circuit |
| 10/18/1995 | EP0677220A1 Stable distortion amplifier for audio signals. |
| 10/18/1995 | CN1110439A An improved composite bridge amplifier with output overload and thermal protection |
| 10/18/1995 | CN1110438A Transistor parallel circuit |
| 10/17/1995 | US5459434 Detector amplifier for standby system |
| 10/17/1995 | US5459426 Output level control circuit for setting transmission output to desired level |
| 10/16/1995 | CA2145697A1 Method and apparatus for compensating for temperature fluctuations in the input to a gain circuit |
| 10/12/1995 | WO1995027331A2 D.c. bias current compensation circuit for a nonlinear amplifier |
| 10/11/1995 | EP0676100A1 Method and apparatus for controlling a peak envelope power of a power amplifier |
| 10/11/1995 | EP0676099A1 Circuit arrangement for an integrated output amplifier. |
| 10/11/1995 | EP0676098A1 Procedure and circuit for adaptive compensation of the gain distortions of a microwave amplifier with linearizer. |
| 10/11/1995 | EP0676097A1 Method and apparatus for signal processing using reference signals |
| 10/11/1995 | EP0532575B1 Apparatus for detecting failure of an antenna amplifier unit with a hot standby redundancy |
| 10/11/1995 | CN1030013C Feedback system control device and applications in amplifiers and servomechanisms |
| 10/10/1995 | US5457427 High-frequency amplifier means with enhanced output resistance |
| 10/10/1995 | US5457422 Device for biasing an RF device operating in quasi-linear modes with voltage compensation |
| 10/04/1995 | EP0675594A1 Feedforward amplifier with reduced distortion in wide band |
| 10/04/1995 | CN1109658A Voltage/power changing circuit capable of removing load impedance influence |
| 10/03/1995 | US5455968 Variable power amplifier |
| 10/03/1995 | US5455705 Transimpedance amplifier for optical receiver |
| 10/03/1995 | US5455538 Linear amplifier for amplifying a composite signal of plural frequency components |
| 10/03/1995 | US5455537 For removing distortions from an output of a feed forward amplifier |
| 09/27/1995 | EP0674383A1 Circuit arrangement for providing an alternating current signal |
| 09/27/1995 | EP0673563A1 Pre-amplifier |
| 09/26/1995 | US5453716 Adjustable clip detection system |
| 09/21/1995 | WO1995022852A3 Multistage amplifier with hybrid nested miller compensation |
| 09/21/1995 | DE4408586A1 Push=pull output stage amplifier for analog signals |
| 09/21/1995 | DE4407051A1 Power limiting for electronic output stage in motor vehicle |
| 09/20/1995 | EP0673112A1 Power amplifier and power amplification method |
| 09/20/1995 | EP0673111A1 Differential pair arrangement |
| 09/19/1995 | US5451909 Feedback amplifier for regulated cascode gain enhancement |
| 09/19/1995 | US5451907 Active bias for a pulsed power amplifier |
| 09/19/1995 | US5451906 Circuit for compensating an amplifier |
| 09/19/1995 | US5451904 Amplifying circuit in which variable impedance circuit is used in negative feedback circuit |
| 09/19/1995 | US5451891 Potential detecting circuit |
| 09/14/1995 | WO1995024766A1 Radio transmitter power amplifier calibration |
| 09/14/1995 | WO1995024765A1 Method for amplitude training in a linear power amplifier |
| 09/14/1995 | DE4192024C2 Power amplifier with amount limiting device |
| 09/13/1995 | EP0671074A1 Two-port wideband bipolar transistor amplifiers |
| 09/12/1995 | US5450043 Quadrature modulator with distortion compensation |
| 09/12/1995 | US5450038 Intermediate frequency amplifier and a telecommand signal receiver having such an amplifier |
| 09/12/1995 | US5450037 Power supplying circuit for supplying a voltage to a driving circuit |
| 09/12/1995 | US5450036 Power amplifier circuit for audio signal and audio device using the same |