Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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06/29/1993 | US5223800 Distributed arrays of microelectronic amplifiers |
06/29/1993 | US5223753 Slew rate speed-up circuit |
06/29/1993 | US5223743 Adaptive current generating transconductance circuit |
06/23/1993 | EP0547871A1 Improvements in or relating to amplifiers |
06/23/1993 | EP0547813A1 Differential comparator with differential threshold for local area networks or the like |
06/22/1993 | US5222246 Parallel amplifiers with combining phase controlled from combiner difference port |
06/22/1993 | US5221910 Single-pin amplifier in integrated circuit form |
06/22/1993 | US5221909 Active load biasing circuit |
06/17/1993 | DE4140975A1 Amplifier circuitry for optical receiver |
06/16/1993 | EP0546638A1 Stabilized transient response of a cascode CMOS amplifier |
06/16/1993 | EP0546571A1 Amplifier circuit for electret condenser microphone |
06/16/1993 | EP0546173A1 Tone receiver comprising a switch capacitor zero crossing detector. |
06/16/1993 | CN2136552Y High-fidelity voice-frequency power amplifier |
06/15/1993 | US5220686 Tunable resonance amplifier |
06/15/1993 | US5220587 Output circuit for a CCD with a D.C. restoration circuit integrated together with the CCD in a monolithic semiconductor chip |
06/15/1993 | US5220289 Differential amplifier circuit |
06/15/1993 | US5220288 Continuous-time differential amplifier with low offset voltage |
06/15/1993 | US5220272 Switching regulator with asymmetrical feedback amplifier and method |
06/15/1993 | US5220207 Load current monitor for MOS driver |
06/10/1993 | WO1993011607A1 Process and circuit for measuring particle fluxes |
06/10/1993 | WO1993011606A1 Process and arrangement for optimising the output power of parallel-connected amplifiers |
06/09/1993 | EP0545449A1 Trim correction circuit with temperature coefficient compensation |
06/09/1993 | EP0544917A1 Capacitive load driving circuit |
06/09/1993 | DE4140263A1 Power amplifier for HF and HV output - has push=pull power MOSFETS as output devices driven by symmetrical supply voltages via pre-amplifier circuits |
06/09/1993 | DE4140112A1 Verfahren und schaltung zur messung von teilchenstroemen Method and circuit for measurement of particle flows |
06/08/1993 | US5218714 CATV repeating amplifier circuitry |
06/08/1993 | US5218357 Miniature modular microwave end-to-end receiver |
06/08/1993 | US5218323 Transistor direct-coupled amplifier |
06/08/1993 | US5218322 Solid state microwave power amplifier module |
06/08/1993 | US5218321 Low offset unity gain buffer amplifier |
06/08/1993 | US5218320 Wideband amplifier circuit having automatic gain and offset voltage control |
06/08/1993 | US5218319 Differential amplifier and active filter using the same |
06/08/1993 | US5218317 Charged-coupled device for high-power transmitters |
06/08/1993 | US5218315 Switching amplifier |
06/03/1993 | DE4139557A1 Verfahren zur optimierung der ausgangsleistung von parallel geschalteten verstaerkern sowie anordnung A method for optimizing the output power of amplifiers connected in parallel and arrangement |
06/02/1993 | EP0544627A1 Circuit for neutralizing thermal drift in a transconductance stage |
06/02/1993 | EP0544387A1 High gain monolithic microwave integrated circuit amplifier |
06/02/1993 | EP0544360A2 Reference current loop |
06/02/1993 | EP0544338A1 MOS operational amplifier circuit |
06/02/1993 | EP0544193A1 Differential protective device for a modular amplifier |
06/02/1993 | EP0544128A1 Circuit arrangement for a driver circuit |
06/01/1993 | US5216386 Transimpedance amplifier |
06/01/1993 | US5216384 Programmable amplifier device |
06/01/1993 | US5216382 Single ended push pull amplifier circuit |
06/01/1993 | US5216381 Unitary-gain final stage particularly for monolithically integratable power amplifiers |
06/01/1993 | US5216380 Performance operational amplifier and method of amplification |
06/01/1993 | US5216379 Dynamic bias amplifier |
06/01/1993 | US5216376 Pulse duration amplifier system having distortion reduction |
06/01/1993 | US5216354 Controllable voltage-to-current converter having third-order distortion reduction |
05/26/1993 | EP0543708A1 Ultra-fast differential amplifier |
05/26/1993 | EP0543275A1 Broad-band amplifier stage with two in-phase decoupled output terminals |
05/26/1993 | EP0543224A2 Speaker driving device |
05/25/1993 | US5214395 Parasitic signal suppression circuit for an extremely high frequency oscillator |
05/25/1993 | US5214394 High efficiency bi-directional spatial power combiner amplifier |
05/25/1993 | US5214392 Multilayered ceramic type electromagnetic coupler apparatus |
05/25/1993 | US5214329 Bias current modulation for differentially coupled transistor circuit |
05/25/1993 | US5214318 Semiconductor integrated circuit device having a signal transmission line pair interconnected by propagation delay time control resistance |
05/19/1993 | EP0542710A1 Method for processing signals |
05/19/1993 | EP0541933A1 Distortion correction for an amplifier system |
05/18/1993 | US5212457 Input buffer with reduced offset for operational amplifiers or the like |
05/18/1993 | US5212456 Wide-dynamic-range amplifier with a charge-pump load and energizing circuit |
05/18/1993 | US5212455 Differential output, power, cmos, operational amplifier |
05/14/1993 | CA2082190A1 Method for processing signals |
05/13/1993 | WO1993009599A2 Analog-to-digital converter and method of fabrication |
05/12/1993 | EP0541164A1 Amplifier |
05/12/1993 | EP0541097A1 Protection circuit |
05/11/1993 | US5210507 Method and apparatus for harmonic reaction amplifier via directional filter |
05/11/1993 | US5210506 Large swing output buffer amplifier |
05/11/1993 | US5210505 Apparatus and method for an input stage of an operational amplifier |
05/11/1993 | US5210504 Semiconductor device for tv tuner and tv tuner using the same |
05/11/1993 | US5210236 Differential amplifier |
05/09/1993 | CA2081787A1 Protection circuit |
05/05/1993 | EP0540286A1 High-frequency power divider and combiner |
05/05/1993 | EP0540146A2 Apparatus for controlling consumption power for GaAs fet |
05/05/1993 | CN1020510C Current-source arrangement |
05/04/1993 | US5208554 For aircraft, gallium arsenide, copper heat sink |
05/04/1993 | US5208553 Multi-stage amplifier with shared directional coupler feedback |
05/04/1993 | US5208552 Rail to rail operational transconductance amplifier |
05/04/1993 | US5208551 Noise reduction circuit with a main signal path and an auxiliary signal path having a high-pass filter characteristic |
05/04/1993 | US5208547 Distributed amplifier having negative feedback |
05/04/1993 | US5207737 Analog output electro-pneumatic transducer |
05/04/1993 | CA1317371C Compensation circuit for nullifying differential offset voltage and regulating common mode voltage of differential signals |
04/29/1993 | WO1993008638A1 Differential operational amplifier |
04/27/1993 | US5206608 Drain bias circuit for high power microwave field effect transistors (fets) having internal matching |
04/27/1993 | US5206607 Input matching circuit |
04/27/1993 | US5206605 High breakdown voltage/low input capacitance amplifier |
04/27/1993 | US5206604 Broadband high power amplifier |
04/27/1993 | US5206602 Biomedical amplifier circuit |
04/27/1993 | US5206550 Amplifier with actively clamped load |
04/21/1993 | EP0537792A1 Power amplifier, in particular, audio amplifier |
04/21/1993 | CN1071289A RF radiation absorbing material |
04/20/1993 | US5204638 Intrinsic offset recovery circuit particularly for amplifiers |
04/15/1993 | DE4133502A1 Push=pull power amplifier with two asymmetric control stages - has one stage as adjuster of voltage superimposing current source |
04/14/1993 | EP0536667A1 Analogue signal processor |
04/13/1993 | US5202646 Output stage for amplifiers |
04/13/1993 | US5202645 Stabilized transient response of a cascode CMOS amplifier |
04/13/1993 | US5202553 Enhanced performance optical receiver having means for switching between high and low amplifier configurations |
04/07/1993 | EP0535951A1 High efficiency push-pull type output circuit and operational amplifier circuit using the same |
04/07/1993 | EP0535797A2 Insulated gate enhancement mode field effect transistor with slew-rate control on drain output |
04/07/1993 | CN1070782A Apparatus for virtual expansion of power supply capacity |