| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 07/19/1995 | EP0663719A2 Analog filter circuit and semiconductor integrated circuit device using the same |
| 07/18/1995 | US5434717 Read and/or write integrated circuit having an operation timing adjusting circuit and constant current elements |
| 07/18/1995 | US5434541 Frequency translated filter for a micro-miniature radio receiver |
| 07/18/1995 | US5434540 High efficiency power amplifier |
| 07/18/1995 | US5434538 Gain enhancement for amplifier using a replica amplifier |
| 07/18/1995 | US5434499 Constant current switching circuit provided with a base current compensating circuit |
| 07/13/1995 | WO1995019066A1 Waste energy control management for power amplifier |
| 07/13/1995 | DE4400435A1 Supply voltage increasing circuitry for audio amplifier output stage |
| 07/13/1995 | CA2157183A1 Waste energy control management for power amplifier |
| 07/12/1995 | EP0662752A2 Multi-stage solid state amplifier that emulates tube distortion |
| 07/11/1995 | US5432477 Wide frequency range amplifier apparatus |
| 07/11/1995 | US5432476 Differential to single-ended converter |
| 07/11/1995 | US5432475 Method of offset voltage trim for automatic gain controls |
| 07/11/1995 | US5432474 Fixed and adjustable bandwidth translinear input amplifier |
| 07/11/1995 | US5432473 Dual mode amplifier with bias control |
| 07/11/1995 | US5432433 Current source having current mirror arrangement with plurality of output portions |
| 07/05/1995 | EP0661804A2 Volume controller |
| 07/05/1995 | EP0661803A1 Phase differential circuit having high synchronicity |
| 07/05/1995 | EP0660980A1 High power solid state r.f. amplifier |
| 07/05/1995 | EP0660979A1 Optical coupler galvanic isolation device, and modem incorporating it |
| 07/05/1995 | CN1029282C Color difference signal matrix and buffer circuit for television apparatus |
| 07/04/1995 | US5430765 Digital data receiver having DC offset cancelling preamplifier and dual-mode transimpedance amplifier |
| 07/04/1995 | US5430670 Differential analog memory cell and method for adjusting same |
| 07/04/1995 | US5430410 Amplifier bias control system |
| 07/04/1995 | US5430393 Integrated circuit with a low-power mode and clock amplifier circuit for same |
| 07/04/1995 | US5430388 Output noise reduction circuit |
| 07/04/1995 | US5430337 Transconductor stage |
| 06/29/1995 | DE3590480C2 High-frequency amplifier for TV or satellite receivers |
| 06/28/1995 | EP0660512A1 Phase shifter amplifier and its application in a recombiner circuit |
| 06/28/1995 | EP0660510A1 Isolated multi-output power amplifier |
| 06/28/1995 | EP0660509A1 Amplifier with offset correction |
| 06/28/1995 | EP0660508A1 High efficiency amplifier with reduced switching distortion |
| 06/28/1995 | EP0660495A1 Control system for power electronical actuators supplied with DC |
| 06/28/1995 | CN2202376Y Multi-functional antenna amplifier |
| 06/27/1995 | US5428642 Power Amplifier |
| 06/27/1995 | US5428316 Power amplifier with quiescent current control |
| 06/27/1995 | US5427111 Receiver for differential signals with means for adjusting a floating ground state |
| 06/22/1995 | WO1995017042A1 An amplifier for use in a radiotelephone |
| 06/22/1995 | WO1995017041A1 Cross-conduction prevention circuit for power amplifier output stage |
| 06/22/1995 | WO1995017012A1 Refractory metal contact for a power device |
| 06/22/1995 | DE4445808A1 CMOS differential amplifier circuit with min. current-source voltage |
| 06/21/1995 | EP0658976A1 Low distortion output stage |
| 06/21/1995 | EP0658975A1 Baseband predistortion system for the adaptive linearization of power amplifiers |
| 06/21/1995 | EP0658834A2 Low noise apparatus for receiving an input current and producing an output current which mirrors the input current |
| 06/21/1995 | EP0572377B1 Darlington transistor circuit |
| 06/21/1995 | EP0362219B1 Asymmetrical dual input amplifier |
| 06/21/1995 | CN2201757Y Separating amplifier |
| 06/20/1995 | US5426396 Differential amplifier multiplexer |
| 06/20/1995 | CA2009315C Amplifying circuit |
| 06/20/1995 | CA2006683C High efficiency uhf linear power amplifier |
| 06/15/1995 | WO1995016305A1 Differential amplifier with high differential and low common mode impedance |
| 06/15/1995 | CA2137994A1 Baseband predistortion system for the adaptive linearization of power amplifiers |
| 06/14/1995 | EP0658003A1 Apparatus and method for referencing an optical receiver |
| 06/14/1995 | EP0657995A1 Mixed typology output stage |
| 06/14/1995 | DE4411894C1 Power impedance transformer for transistor push=pull power amplifiers |
| 06/13/1995 | US5425106 Integrated circuit for audio enhancement system |
| 06/13/1995 | US5424686 Negative-resistance-compensated microwave buffer |
| 06/13/1995 | US5424684 Power amplifier circuit for audio signal and audio device using the same |
| 06/13/1995 | US5424683 Differential amplification circuit wherein a DC level at an output terminal is automatically adjusted and a power amplifier wherein a BTL drive circuit is driven by a half wave |
| 06/13/1995 | US5424681 Wide range operational amplifier |
| 06/13/1995 | US5424677 Common mode error correction for differential amplifiers |
| 06/13/1995 | US5424675 Full differential type analog circuit having parallel oppositely connected capacitors to eliminate unbalanced parasitic capacitances |
| 06/13/1995 | CA2035845C Constant-amplitude wave combination type amplifier |
| 06/08/1995 | WO1995015612A1 Switch-mode power supply for a bridged linear amplifier |
| 06/08/1995 | DE4430032C1 Hysteresis comparator using bipolar transistors |
| 06/07/1995 | EP0656685A1 Amplifier arrangement with feedback |
| 06/07/1995 | EP0656575A1 Band-gap reference current source with compensation for saturating current spread of bipolar transistor |
| 06/07/1995 | EP0656165A1 Using d-c feedback with on-chip filtering to balance i-f drive to second detector in monolithic ic |
| 06/07/1995 | EP0656164A1 Parallel untuned video if amplifiers supplied signals from tv 1st detector via respective input filters |
| 06/07/1995 | CN1103519A 电信号放大器 Electrical signal amplifier |
| 06/07/1995 | CN1028824C Slew rate speed-up circuit |
| 06/06/1995 | US5423078 Dual mode power amplifier for analog and digital cellular telephones |
| 06/06/1995 | US5422600 Amplifier input stage with charge pump supplying a differential transistor pair |
| 06/06/1995 | US5422599 Single-ended, transformer coupled audio amplifiers |
| 06/06/1995 | US5422598 High-frequency power amplifier device with drain-control linearizer circuitry |
| 06/06/1995 | US5422597 Means and method of enhancing signal resolution and dynamic range extension in a pulse width modulation amplifier |
| 06/06/1995 | US5422529 Differential charge pump circuit with high differential and low common mode impedance |
| 06/01/1995 | WO1995015037A1 A method for adjusting transmission power, and a base station |
| 06/01/1995 | DE4340799A1 Multistage DC voltage coupled audio amplifier with complementary transistor |
| 05/31/1995 | EP0655831A1 High performance transconductance operational amplifier, of the CMOS integrated type |
| 05/31/1995 | EP0655830A1 Very low power loss amplifier for analog signals utilizing constant-frequency zero-voltage-switchting multi-resonant converter |
| 05/31/1995 | EP0655176A1 Amplifier stage with low thermal distortion |
| 05/31/1995 | CN2199639Y Absolute linear audiofrequency amplifier |
| 05/31/1995 | CN1103215A Amplifier with feedback having high power supply rejection |
| 05/30/1995 | US5420550 Method and apparatus for sensing common mode error |
| 05/30/1995 | US5420542 Varactor compensation in amplifier circuits |
| 05/30/1995 | US5420541 Microwave doherty amplifier |
| 05/30/1995 | US5420540 Double-folded cascode operational amplifier |
| 05/30/1995 | US5420539 Negative feedback CMOS differential amplifier operating in common mode |
| 05/30/1995 | US5420537 High power solid state R.F. amplifier |
| 05/30/1995 | US5420526 Circuit for pulling an integrated circuit input to a determined state |
| 05/30/1995 | US5420524 Differential gain stage for use in a standard bipolar ECL process |
| 05/30/1995 | CA2039283C Electronic equipment differential output stage |
| 05/26/1995 | WO1995014339A1 Clock-recovery circuit |
| 05/26/1995 | WO1995014331A1 A bidirectional amplifier |
| 05/26/1995 | WO1995014330A1 Dual-sided push-pull amplifier |
| 05/26/1995 | WO1995014329A1 Class ab amplifier with improved phase margin |
| 05/24/1995 | EP0654896A1 Transimpedance amplifier circuit with feedback and load resistor variable circuits |
| 05/23/1995 | US5418495 Input stage improvement for current feedback amplifiers |
| 05/23/1995 | US5418494 Variable gain amplifier for low supply voltage systems |