| 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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| 08/31/1994 | EP0613243A1 Anti-logarithmic converter with temperature compensation |
| 08/31/1994 | EP0613242A1 Self-configurable dual bridge power amplifier |
| 08/31/1994 | EP0613239A1 Audio amplifier arrangement |
| 08/31/1994 | EP0613238A1 Limitation of current absorption under short-to-plus-unpowered (SPU) conditions of the output node of an amplifier |
| 08/30/1994 | US5343166 Efficient high fidelity audio power amplifier |
| 08/30/1994 | US5343163 Single-ended and differential transistor amplifier circuits with full signal modulation compensation techniques which are technology independent |
| 08/30/1994 | US5343159 Direct box employing hybrid vacuum tube and solid state circuitry |
| 08/25/1994 | DE4244722A1 Reduction in the power dissipation in push-pull amplifiers by suppressing some of the supply voltage |
| 08/23/1994 | US5341090 Bidirectional, transconductance, DC amplifier having high output compliance voltage |
| 08/23/1994 | US5341051 N-dimensional basis function circuit |
| 08/17/1994 | EP0611105A2 Current source |
| 08/17/1994 | EP0610430A1 Analog-to-digital converter and method of fabrication |
| 08/16/1994 | US5339048 Radio frequency amplifier |
| 08/16/1994 | US5339045 Comparator start-up arrangement |
| 08/16/1994 | US5339044 High linearity differential circuit |
| 08/16/1994 | US5339043 Wave propagation signal transmission device and applications of the device to the amplification of such signals |
| 08/16/1994 | US5339042 Input stage offset compensation device |
| 08/16/1994 | US5339041 High efficiency power amplifier |
| 08/11/1994 | DE4301916A1 RF telephone amplifier |
| 08/10/1994 | EP0609435A1 Apparatus for compensating of phase rotation in a final amplifier stage |
| 08/09/1994 | US5337012 Amplifier having temperature compensated bias control |
| 08/09/1994 | US5337011 Pre-amplifier |
| 08/09/1994 | US5337010 Wide-band amplifier apparatus |
| 08/04/1994 | WO1994017599A1 Cartesian multicarrier feedback |
| 08/04/1994 | WO1994017588A1 Closed loop power controller |
| 08/04/1994 | WO1994017587A1 Linear amplifier control |
| 08/04/1994 | DE4302452A1 Measurement amplifying system with negative feedback HF input amplifier |
| 08/04/1994 | CA2132089A1 Cartesian multicarrier feedback |
| 08/03/1994 | EP0609053A2 Voltage controlled integrated circuit for biasing an RF device |
| 08/03/1994 | EP0608998A2 A unity-gain, wide bandwidth, bipolar voltage follower with a very low input current |
| 08/03/1994 | EP0608938A1 Amplifier with differential input stage and integrated stabilisation capacitor |
| 08/03/1994 | EP0608933A1 Differential amplifier common-mode rejection |
| 08/03/1994 | EP0608886A2 Differential amplifier circuit having a driver with square-law characteristic |
| 08/03/1994 | EP0608697A1 Modulation method and circuit for high frequency signals |
| 08/03/1994 | CN1090445A Procedure and circuit for adaptive compensation of the gain distortions of a microwave amplifier with linearizer |
| 08/02/1994 | US5334946 Apparatus and method for reducing distortion in amplification |
| 08/02/1994 | CA2000670C Self equalizing multi-stage radio frequency power amplifier |
| 07/26/1994 | US5332979 Compact radio-frequency power-generator system |
| 07/26/1994 | US5332976 Sound signal amplifier with low power dissipation |
| 07/21/1994 | WO1994016494A1 Stable distortion amplifier for audio signals |
| 07/21/1994 | WO1994016493A1 Audio amplifiers |
| 07/20/1994 | EP0606668A1 Transistor arrangement |
| 07/19/1994 | US5331291 Circuit and method for adjusting the bias of an amplifier based upon load current and operating temperature |
| 07/19/1994 | US5331289 Translinear fT multiplier |
| 07/19/1994 | US5331221 Gain linearity correction for MOS circuits |
| 07/19/1994 | US5331215 Electrically adaptable neural network with post-processing circuitry |
| 07/13/1994 | EP0606094A2 Monolithic microwave integrated circuit |
| 07/13/1994 | EP0605570A1 Active biasing control for class-ab cmos operational amplifiers. |
| 07/13/1994 | CN1089415A 无线电系统 Radio Systems |
| 07/12/1994 | US5329249 High efficiency RF power amplifier |
| 07/12/1994 | US5329246 Circuit and method of setting a bias point for a single-ended ampliifier during power-up |
| 07/12/1994 | US5329245 Hybrid high power amplifier |
| 07/12/1994 | US5329244 Linear compensating circuit |
| 07/07/1994 | WO1994015397A1 Circuit arrangement for an integrated output amplifier |
| 07/07/1994 | WO1994015395A1 Procedure and circuit for adaptive compensation of the gain distortions of a microwave amplifier with linearizer |
| 07/06/1994 | EP0605233A2 Input amplifier circuit |
| 07/06/1994 | EP0605181A1 Device for biasing an RF device operating in quasi-linear modes with voltage compensation |
| 07/06/1994 | EP0604622A1 Rf amplifier bias control method and apparatus |
| 07/05/1994 | US5327101 Distortion-free limiter for a power amplifier |
| 07/05/1994 | US5327097 Gain control circuit |
| 07/05/1994 | US5327096 Control circuit for automatically controlled feed forward nonlinear distortion compensation amplifier |
| 06/29/1994 | EP0604206A1 Push-pull-type amplifier circuit |
| 06/29/1994 | EP0603942A1 Transconductance amplifier |
| 06/29/1994 | EP0603938A1 Universal signal converter |
| 06/29/1994 | EP0603867A1 Distortion compensating circuit of high-frequency power amplifier |
| 06/29/1994 | EP0603687A1 Gain linearization with coplanar waveguide |
| 06/29/1994 | EP0603507A1 Amplifier circuit for audio signals |
| 06/28/1994 | US5325073 Amplifying apparatus with ac/dc feedback circuit |
| 06/28/1994 | US5324916 System and method for dynamic power compensation |
| 06/25/1994 | CA2111616A1 Dual-mode power amplification apparatus |
| 06/23/1994 | WO1994014239A1 Pre-amplifier |
| 06/23/1994 | WO1994014238A1 Method and apparatus for signal processing using reference signals |
| 06/23/1994 | DE4330288C1 HF amplifier circuit for wideband network |
| 06/23/1994 | CA2151824A1 Method and apparatus for signal processing using reference signals |
| 06/22/1994 | EP0602466A2 Monolithic integrated voltage regulator |
| 06/22/1994 | EP0602053A1 High efficiency harmonic injection power amplifier |
| 06/22/1994 | CN2169853Y Transmitter with overload protection |
| 06/21/1994 | US5323119 Amplifier having feed forward cancellation |
| 06/21/1994 | US5322995 Charge integration preamplifier for use in radiation detection circuitry |
| 06/21/1994 | US5322994 Solid state image pickup device having a reliable photoelectric detection cell |
| 06/15/1994 | EP0601713A1 Amplifier devices |
| 06/15/1994 | EP0601560A1 Differential amplifier circuit |
| 06/15/1994 | EP0601478A1 Cascaded transistor amplifier |
| 06/15/1994 | EP0601410A1 Bias control circuit for radio-frequency power amplifier |
| 06/14/1994 | US5321710 Predistortion method and apparatus for laser linearization |
| 06/14/1994 | US5321371 Current mirror with error correction |
| 06/14/1994 | US5321370 Operational amplifier with common-mode feedback amplifier circuit |
| 06/14/1994 | US5321325 Single input push-pull circuit |
| 06/12/1994 | CA2110194A1 Amplifier devices |
| 06/09/1994 | DE4340721A1 Amplifier circuit with voltage controller as voltage source - has current limiting stage connected to both output stage with transistor in common emitter connection and output drive stage |
| 06/08/1994 | EP0600515A2 Transmission control circuit for use in TDMA communication device |
| 06/08/1994 | EP0600141A1 Transconductor stage |
| 06/08/1994 | EP0465575B1 Differential amplifier with gain compensation |
| 06/08/1994 | EP0409844B1 Amplifier arrangement and communication line circuit using same |
| 06/08/1994 | CN1087763A Amplifier for detecting and controlling currents at positive and negative terminals |
| 06/08/1994 | CN1024975C Method of optimization power amplifier current specific property and its device |
| 06/07/1994 | US5319804 Transmitter with nonlinearity correction circuits |
| 06/07/1994 | US5319315 Class-C RF power amplifier having digitally driven shunt circuit for removing accumulated excess base charge |
| 06/07/1994 | US5319263 Power saving impedance transformation circuit for CCD image sensors |
| 06/07/1994 | CA2033301C Modulation device with input signal modification for correction of amplifier nonlinearities |