| 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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| 11/25/1992 | EP0282529B1 Auto zero circuit for flow meter |
| 11/25/1992 | CN1066552A Audio system with transient tracking dual voltage power supply |
| 11/25/1992 | CN1066540A Control system including switching circuit for ensuring proper operation when operating power is removed from portion of control system |
| 11/24/1992 | US5166854 Externally discernible power supply abnormality detection system |
| 11/24/1992 | US5166639 High gain mololithic microwave integrated circuit amplifier |
| 11/24/1992 | US5166637 Distortion cancellation amplifier system |
| 11/24/1992 | US5166634 Feed-forward amplifier |
| 11/24/1992 | US5166630 Low current switched capacitor circuit |
| 11/24/1992 | US5165272 Device for reducing noise during potentiometer evaluation |
| 11/19/1992 | EP0513402A1 Method of compensating for non-linearities in an amplifying circuit with strong signal passage time |
| 11/18/1992 | CN1066349A Feed forward amplifier network with frequency swept pilot tone |
| 11/17/1992 | US5164991 Variable input amplified speaker with improved power input section |
| 11/17/1992 | US5164682 Two-port wideband bipolar transistor amplifiers |
| 11/17/1992 | US5164681 Voltage-current conversion circuit |
| 11/17/1992 | US5164679 AC power amplifier having current limit control |
| 11/17/1992 | US5164678 Process for compensating nonlinearities in an amplifier circuit |
| 11/17/1992 | US5164614 Low power bias voltage generating circuit comprising a current mirror |
| 11/17/1992 | CA1310377C Rf power-control circuit |
| 11/12/1992 | WO1992020147A1 Linear amplifier having path time delay compensation |
| 11/12/1992 | WO1992020145A1 Wide-band transconductance generator |
| 11/10/1992 | US5162965 Circuit protection apparatus |
| 11/10/1992 | US5162754 Ultra-wideband dc-microwave amplifier device notably in integrated circuit form |
| 11/10/1992 | US5162752 Working point adjusting circuit for a single power amplifier having multiple output channels |
| 11/10/1992 | US5162749 Amplifier circuit having a feedback circuit |
| 11/10/1992 | US5162748 Switchable FET distortion generator |
| 11/10/1992 | US5162735 Operational amplifier circuit with improved gain of feedback loop |
| 11/10/1992 | US5162678 Temperature compensation control circuit for exponential gain function of an agc amplifier |
| 11/04/1992 | EP0511707A1 A cascode differential amplifier |
| 11/04/1992 | EP0469143A4 Push-pull optical receiver |
| 11/03/1992 | US5160984 Amplifying feedback FET semiconductor element |
| 11/03/1992 | US5160899 Adaptable MOS current mirror |
| 11/03/1992 | US5160898 Power amplifier |
| 11/03/1992 | US5160897 Push-pull power amplifying circuit |
| 11/03/1992 | US5160896 Class D amplifier |
| 11/03/1992 | US5160895 Monolithic integrated circuit amplifier |
| 11/03/1992 | US5160856 Reference voltage regulator semiconductor integrated circuit |
| 11/03/1992 | CA1309756C Audio frequency power amplifier with improved circuit topology |
| 10/28/1992 | EP0511007A1 Adaptive current generating circuit |
| 10/28/1992 | EP0510765A1 Differential amplifier having output current limiting |
| 10/28/1992 | EP0510530A2 Structure for temperature compensating the inverse saturation current of bipolar transistors |
| 10/28/1992 | CN1065760A Feed forward distortion minimization circuit |
| 10/27/1992 | US5159289 Low-noise, high-frequency broadband amplifier |
| 10/27/1992 | US5159288 Receiver circuit having first and second amplifiers |
| 10/27/1992 | US5159286 Negative feedback amplifier for driving capacitive load |
| 10/27/1992 | US5159285 Differential amplifying circuit having emitter follower circuit |
| 10/27/1992 | US5159284 Noise reduction circuit with a main signal path and an auxiliary signal path having a high-pass filter characteristic |
| 10/25/1992 | WO1992020146A1 Adaptive phase control for a power amplifier predistorter |
| 10/21/1992 | EP0509285A1 Temperature compensating circuit for a semi-conductor amplifier |
| 10/21/1992 | EP0509272A1 Circuit arrangement for amplifying an electrical signal |
| 10/21/1992 | EP0509113A1 Output buffer amplifier with high signal amplitude |
| 10/21/1992 | CN1018783B Transistor circuit |
| 10/20/1992 | US5157353 Audio system with transient tracking dual voltage power supply |
| 10/20/1992 | US5157352 Bias current control for operational amplifier current/voltage converters |
| 10/20/1992 | US5157347 Switching bridge amplifier |
| 10/20/1992 | US5157346 Rf wideband high power amplifier |
| 10/20/1992 | US5157345 Apparatus and method for reducing distortion in amplification |
| 10/20/1992 | US5157322 PNP transistor base drive compensation circuit |
| 10/20/1992 | US5157274 Electrical interface circuit |
| 10/18/1992 | CA2066282A1 Circuit arrangement for amplifying an electrical signal |
| 10/16/1992 | WO1992019041A1 Feed forward amplifier network with frequency swept pilot tone |
| 10/14/1992 | EP0508711A1 Transistor direct-coupled amplifier |
| 10/14/1992 | EP0508671A2 MMIC amplifier with extended dynamic range |
| 10/13/1992 | US5155614 Low-power demodulating receiver with amplifier stages sharing the same bias current |
| 10/13/1992 | US5155449 FET buffer amplifier |
| 10/13/1992 | US5155448 Feed-forward amplifier having increased compression point |
| 10/13/1992 | US5155447 Multi-stage amplifier with capacitive nesting and multi-path forward feeding for frequency compensation |
| 10/07/1992 | EP0507728A1 Charge amplifier circuit |
| 10/07/1992 | EP0506908A1 Fast phase shift adjusting method and device for linear transmitter |
| 10/06/1992 | US5153457 Output buffer with di/dt and dv/dt and tri-state control |
| 09/30/1992 | EP0506186A1 Video amplifier device |
| 09/30/1992 | EP0506174A1 Integrated circuit device comprising a differential amplifier |
| 09/30/1992 | EP0506055A2 An emphasis apparatus |
| 09/29/1992 | US5151942 Circuit for muting noises for an audio amplifier |
| 09/29/1992 | US5151664 Low-distortion radio-frequency amplifying apparatus |
| 09/23/1992 | EP0504983A1 Reference circuit for supplying a reference current with a predetermined temperature coefficient |
| 09/23/1992 | EP0504373A1 Noise canceling photodetector preamplifier useful for computerized tomography |
| 09/23/1992 | EP0495921A4 Stabilizing circuit for feedback rf amplifier |
| 09/23/1992 | CN1018414B Frequency channel atlenuatable type tv antenna amplifier |
| 09/22/1992 | US5150076 Emitter-grounded amplifier circuit with bias circuit |
| 09/22/1992 | US5150074 Wide-band transconductance generator |
| 09/22/1992 | US5150072 Distortion correction for an amplifier system |
| 09/22/1992 | US5150071 Differential output stage for electronic equipment |
| 09/22/1992 | US5149994 Method and apparatus for compensating inherent non-uniformity of electrical properties among mos integrated circuits |
| 09/22/1992 | US5149199 Temperature detection circuit used in thermal shielding circuit |
| 09/17/1992 | WO1992016048A1 T/r module with error correction |
| 09/16/1992 | EP0503891A2 Signal processing apparatus |
| 09/16/1992 | EP0503843A1 Amplifying circuit |
| 09/16/1992 | EP0503761A1 Power amplifying means for r.f. signals |
| 09/16/1992 | EP0503571A1 Pulse-width modulation amplifier |
| 09/15/1992 | US5148448 Adaptive predistortion circuit with memory |
| 09/15/1992 | US5148119 Precise reference voltage generator for feedforward compensated amplifiers |
| 09/15/1992 | US5148117 Adaptive feed-forward method and apparatus for amplifier noise reduction |
| 09/15/1992 | US5148115 Offset voltage generator circuit |
| 09/15/1992 | CA2061135A1 Power amplifying means for r.f. signals |
| 09/09/1992 | EP0502570A1 Controllable voltage-to-current converter having third-order distortion reduction |
| 09/09/1992 | CN2115618U Simplified amplifier |
| 09/08/1992 | US5146177 Balanced reflective nonlinear processor using FETs |
| 09/08/1992 | US5146176 Amplifier circuit with input error compensation |
| 09/08/1992 | US5146175 Combining technique for a multistage, parallel amplifier |
| 09/08/1992 | US5146152 Circuit for generating internal supply voltage |