| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 07/27/1994 | EP0607971A2 Digital to analog converter |
| 07/27/1994 | EP0607702A2 A variable equalization amplifier |
| 07/26/1994 | US5332979 Compact radio-frequency power-generator system |
| 07/26/1994 | US5332976 Sound signal amplifier with low power dissipation |
| 07/26/1994 | US5332937 Transconductor stage for high frequency filters |
| 07/26/1994 | CA2052248C Constant current circuit and an oscillating circuit controlled by the same |
| 07/26/1994 | CA2016001C Low impedance buffer circuitry |
| 07/21/1994 | WO1994016494A1 Stable distortion amplifier for audio signals |
| 07/21/1994 | WO1994016493A1 Audio amplifiers |
| 07/20/1994 | EP0606870A1 Active RF cavity |
| 07/20/1994 | EP0502056B1 Difference amplifier apparatus employing an input attenuator network |
| 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 | EP0606161A2 Circuit for converting unipolar input to bipolar output |
| 07/13/1994 | EP0606144A1 High swing operational transconductance amplifier |
| 07/13/1994 | EP0606094A2 Monolithic microwave integrated circuit |
| 07/13/1994 | EP0606060A2 Inverting circuit |
| 07/13/1994 | EP0605570A1 Active biasing control for class-ab cmos operational amplifiers. |
| 07/12/1994 | US5329281 Analog to digital converter with autoranging offset |
| 07/12/1994 | US5329259 Efficient amplitude/phase modulation amplifier |
| 07/12/1994 | US5329249 High efficiency RF power amplifier |
| 07/12/1994 | US5329248 Power divider/combiner having wide-angle microwave lenses |
| 07/12/1994 | US5329245 Hybrid high power amplifier |
| 07/12/1994 | US5329173 Signal detecting circuit apparatus |
| 07/12/1994 | US5329115 Optical receiver circuit |
| 07/07/1994 | WO1994015397A1 Circuit arrangement for an integrated output amplifier |
| 07/07/1994 | WO1994015396A1 Electrical circuit for signal or alternating currrent amplification and control driven by another signal or alterning current |
| 07/06/1994 | EP0605181A1 Device for biasing an RF device operating in quasi-linear modes with voltage compensation |
| 07/06/1994 | EP0604686A1 Switched coupling network for a.c. signals in (BI)MOS. |
| 07/06/1994 | EP0604490A1 Amplifier |
| 07/05/1994 | US5327297 Read/write amplifier circuit for magnetic disk unit |
| 07/05/1994 | US5327100 Negative slew rate enhancement circuit for an operational amplifier |
| 07/05/1994 | US5327099 Differential stage that provides minimal offset between inputs |
| 07/05/1994 | US5327095 Method and circuit for increasing the output impedance of an inactive amplifier |
| 06/29/1994 | EP0604206A1 Push-pull-type amplifier circuit |
| 06/29/1994 | EP0604170A1 Integrated circuit configuration for field effect transistors |
| 06/29/1994 | EP0603942A1 Transconductance amplifier |
| 06/29/1994 | EP0603938A1 Universal signal converter |
| 06/29/1994 | EP0603507A1 Amplifier circuit for audio signals |
| 06/28/1994 | US5325440 Loudness control circuit |
| 06/28/1994 | US5325099 Modular solid-state radar transmitter apparatus and method for producing variable waveforms |
| 06/28/1994 | US5325073 Amplifying apparatus with ac/dc feedback circuit |
| 06/28/1994 | US5325072 High-frequency power amplifier device and high-frequency module including the same |
| 06/28/1994 | US5325070 Stabilization circuit and method for second order tunable active filters |
| 06/28/1994 | US5325069 CMOS opamp with large sinking and sourcing currents and high slew rate |
| 06/28/1994 | US5325001 Negative feedback sense pre-amplifier |
| 06/25/1994 | CA2111616A1 Dual-mode power amplification apparatus |
| 06/23/1994 | WO1994014239A1 Pre-amplifier |
| 06/23/1994 | DE4343980A1 Transconductance amplifier using FET and surface transistors |
| 06/22/1994 | EP0602163A1 Power amplifier with quiescent current control. |
| 06/21/1994 | US5323122 Rapid slewing unity gain buffer amplifier with boosted parasitic capacitance charging |
| 06/21/1994 | US5323121 Folded cascode operational amplifier with gain enhancing base current compensation |
| 06/21/1994 | US5323120 High swing operational transconductance amplifier |
| 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 |
| 06/21/1994 | CA1330371C Linear deflection amplifier with energy recovery |
| 06/16/1994 | DE4342071A1 TWT amplifier with collector operated below equipment potential - includes interaction circuit with delay stage and coupled cavity resonator ahead of multistage collector of beamed electrons |
| 06/15/1994 | EP0601926A1 Electronic circuit output power detection means |
| 06/15/1994 | EP0601713A1 Amplifier devices |
| 06/15/1994 | EP0601646A1 Single-to-differential converter |
| 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 |
| 06/15/1994 | CN1088031A Inner connecting way and device for power switching device |
| 06/15/1994 | CN1088004A 差分比较器电路 Differential comparator circuit |
| 06/15/1994 | CN1025093C Mutual compensation common mode stabilizing combined emitter voltage tracker |
| 06/14/1994 | US5321370 Operational amplifier with common-mode feedback amplifier circuit |
| 06/14/1994 | US5321254 Light-receiving and amplyfying device capable of widening an AC operation range |
| 06/12/1994 | CA2110194A1 Amplifier devices |
| 06/09/1994 | WO1994013060A1 Amplifier system for low level sensor signal |
| 06/09/1994 | WO1994013059A1 Current mirror arrangement |
| 06/09/1994 | DE4240736A1 Wideband BiCMOS operational amplifier - has reference voltage generator, differential amplifier, current source with cascode transistor and modified bipolar Wilson current mirror |
| 06/09/1994 | DE3645255C2 Class D hearing and amplifier |
| 06/08/1994 | EP0600852A1 Logic circuit arrangements |
| 06/08/1994 | EP0600548A1 Compact cascadable microwave amplifier circuits |
| 06/08/1994 | EP0600515A2 Transmission control circuit for use in TDMA communication device |
| 06/08/1994 | EP0600475A2 A constant current switching circuit provided with a base current compensating circuit |
| 06/08/1994 | EP0600252A1 RF power amplifier control |
| 06/08/1994 | EP0600141A1 Transconductor stage |
| 06/08/1994 | EP0500694B1 Fully differential cmos power amplifier |
| 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 |
| 06/07/1994 | US5319704 Control circuit for voltage controlled attenuator for speakerphones |
| 06/07/1994 | US5319318 Gain control circuit and semiconductor device |
| 06/07/1994 | US5319317 Voltage follower circuit |
| 06/07/1994 | US5319316 Negative feedback CMOS differential amplifier operating in common mode |
| 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 | CA1330110C Integrated circuit rf amplifier module |
| 06/01/1994 | EP0599591A1 Emitter follower transistor with improved thermal resistance characteristics |
| 06/01/1994 | EP0599522A1 Optical transceiver with improved range and data communication rate |
| 06/01/1994 | EP0599327A1 Variable gain amplifier |
| 06/01/1994 | CN1024747C Electromagnetic diagnosis instrument for main and collateral channels maintaining biotic vitality |
| 05/31/1994 | US5317282 Tetrode biasing circuit |
| 05/31/1994 | US5317281 Slew rate booster circuit |
| 05/31/1994 | US5317280 High impedance circuit using PFET |
| 05/31/1994 | US5317279 Linear voltage to current converter including feedback network |
| 05/31/1994 | US5317173 HBT differential pair chip for quasi-optic amplifiers |