| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 07/02/1997 | EP0782250A1 Offset compensating method and circuit for MOS differential stages |
| 07/02/1997 | CN1153425A Magnetic recording device and method |
| 07/02/1997 | CN1035351C 高频放大器 High-frequency amplifier |
| 07/01/1997 | US5644269 Cascode MOS current mirror with lateral bipolar junction transistor to enhance ouput signal swing |
| 07/01/1997 | US5644264 Output circuit with short circuit protection for a CMOS comparator |
| 07/01/1997 | US5644216 Temperature-stable current source |
| 06/26/1997 | WO1997023058A1 Power line communications system with driver circuit |
| 06/26/1997 | WO1997023038A1 Mist cooled distributed amplifier utilizing a waveguide feed |
| 06/26/1997 | WO1997023037A1 Amplifier using a single polarity power supply |
| 06/26/1997 | DE19620693C1 Audio power amplifier circuit with slow load current growth and decay |
| 06/25/1997 | EP0780971A2 Power amplifier predriver stage |
| 06/25/1997 | EP0780970A2 Broad-band amplifier circuit and high-speed communication element using the same |
| 06/25/1997 | CN2257105Y Voice frequency power amplifier without capacitor |
| 06/25/1997 | CN1152977A Tuned amplifier |
| 06/25/1997 | CN1152819A Audio frequency differential bus receiver used for audio/video frequency inter-connection |
| 06/25/1997 | CN1035299C Zero-voltage complementary switching high-efficient D type amplifier |
| 06/24/1997 | US5642427 Integrated circuit for audio enhancement system |
| 06/24/1997 | US5642080 Low noise amplifier in monolithic integrated circuit |
| 06/24/1997 | US5642078 Amplifier having frequency compensation by gain degeneration |
| 06/24/1997 | US5642077 Wide band constant gain amplifier |
| 06/24/1997 | US5642074 Amplifier circuit with reduced turn-on and turn-off transients |
| 06/24/1997 | US5642064 Voltage to current conversion circuit including a differential amplifier |
| 06/24/1997 | US5642062 Comparator circuit operating on variable current |
| 06/19/1997 | WO1997017721A3 Method for making a circuit structure having a flip-mounted matrix of devices |
| 06/19/1997 | DE19651554A1 Semiconductor component with electronic circuit |
| 06/18/1997 | EP0779711A2 A timer circuit |
| 06/18/1997 | EP0779707A1 RF filter arrangement with image trap |
| 06/18/1997 | EP0779705A2 Inverted amplifying circuit |
| 06/18/1997 | EP0779702A2 Electric circuit for converting and input voltage |
| 06/18/1997 | EP0778998A2 A linearizer for linearizing a non-linear component controlled by control voltage |
| 06/18/1997 | EP0778997A1 Rf power amplifier system having an improved drive system |
| 06/18/1997 | EP0676099B1 Circuit arrangement for an integrated output amplifier |
| 06/18/1997 | CN1152212A Linear power amplifier using active bias for high efficiency and method thereof |
| 06/18/1997 | CN1152211A Radiotelephone communication unit and high-frequency power amplifier therewith |
| 06/17/1997 | US5640693 Transmitter for pulsed electronic article surveillance systems |
| 06/17/1997 | US5640460 Amplitude adjust circuit and method thereof |
| 06/17/1997 | US5640128 Transimpedance amplifier circuit |
| 06/17/1997 | US5640120 Polarization current controlled electronic circuit such as an adjustable resistance, a negative resistance or a filter or similar |
| 06/17/1997 | US5639970 Current selection circuitry for magnetic flowmeter |
| 06/17/1997 | CA2104941C Signal amplification using optically activated bulk semi-insulating gaas |
| 06/12/1997 | DE19650521A1 Protective circuit for audio amplifier |
| 06/12/1997 | DE19622972A1 Negative voltage generator e.g. for GaAs-FET amplifier |
| 06/11/1997 | EP0778647A2 High side current sense amplifier |
| 06/11/1997 | EP0778510A1 Highly symmetrical bi-directional current sources |
| 06/11/1997 | EP0685126B1 Cmos operational amplifier with improved rail-to-rail performance |
| 06/11/1997 | CN1151633A Circuit arrangement comprising differential amplifier |
| 06/11/1997 | CN1151631A Oscillation circuit and oscillation method |
| 06/10/1997 | US5638027 Integrated circuit amplifier |
| 06/10/1997 | US5638025 Amplified output stage containing N-channel output transistors and capacitive coupling stage |
| 06/10/1997 | US5638024 Waste energy control and management in power amplifiers |
| 06/10/1997 | US5638020 Switched capacitor differential circuits |
| 06/10/1997 | US5637993 Error compensated current mirror |
| 06/10/1997 | US5637992 Voltage regulator with load pole stabilization |
| 06/10/1997 | US5636638 Electrical power amplifier for continuous cardiac output monitoring |
| 06/05/1997 | WO1997020384A2 Current one-shot circuit |
| 06/05/1997 | WO1997020352A1 Mos transistor |
| 06/05/1997 | WO1997017720A3 Circuit structure having a flip-mounted matrix of devices |
| 06/04/1997 | EP0777324A2 Automatic gain control |
| 06/04/1997 | EP0777323A2 Power amplifier for an inductive load |
| 06/04/1997 | EP0777322A1 Voltage amplifier with wide dynamic range and A/D converter using such amplifier |
| 06/04/1997 | EP0777321A2 Amplification of a voltage having wide variation and A-D converter comprising such an amplifier |
| 06/04/1997 | EP0777320A1 Low-power transconductance driver amplifier |
| 06/03/1997 | US5636074 Recording signal amplifier apparatus |
| 06/03/1997 | US5636048 Equalizing amplifier, receiver using the same and preamplifier |
| 06/03/1997 | US5635884 Grounded inductance circuit using gyrator circuit |
| 06/03/1997 | US5635880 CMOS microwave multiphase voltage controlled oscillator |
| 06/03/1997 | US5635874 Stable distortion amplifier for audio signals |
| 06/03/1997 | US5635870 Efficient amplification techniques for non-linear amplifiers |
| 06/03/1997 | US5635726 Electro-optical sensor for marks on a sheet |
| 06/03/1997 | US5634470 System and method for monitoring and controlling the temperature of a catheter-mounted heater |
| 05/31/1997 | WO1997020385A1 Doherty-type amplifier and tuning method |
| 05/31/1997 | CA2204409A1 Amplifier circuit and method of tuning the amplifier circuit |
| 05/29/1997 | WO1997019514A2 Amplifiers and compound transistors |
| 05/29/1997 | WO1997019445A1 Arrangement comprising a magnetic write head, and write amplifier with capacitive feed-forward compensation |
| 05/28/1997 | EP0776088A2 Amplifier output stage |
| 05/28/1997 | EP0776087A1 CMOS transconductance amplifier with dynamic biasing |
| 05/28/1997 | CN1150720A Output stage of operational amplifier suitable for mounting on substrate and method of amplifying therewith |
| 05/27/1997 | US5633937 For processing analog audio signals for hearing aids |
| 05/27/1997 | US5633612 Precision current mirror circuit |
| 05/27/1997 | US5633610 Monolithic microwave integrated circuit apparatus |
| 05/27/1997 | US5633594 Differential type capacitive sensor system |
| 05/27/1997 | US5632280 Method for circuit fault detection in differential signal detectors |
| 05/22/1997 | WO1997018626A1 Small signal linearization in power switching amplifiers |
| 05/21/1997 | EP0774836A2 Latch circuit for receiving small amplitude signals |
| 05/21/1997 | CN1150505A Servo-amplifier for controlling high-ohmic low-voltage source |
| 05/21/1997 | CN1150335A Semiconductor integrated circuit device |
| 05/20/1997 | US5631608 Driver for N-channel VFET output stage of power amplifier |
| 05/20/1997 | US5631607 Compact GM-control for CMOS rail-to-rail input stages by regulating the sum of the gate-source voltages constant |
| 05/20/1997 | US5631606 For low voltage operation |
| 05/20/1997 | US5631605 Power amplifier stage supplying a rectangular signal of controlled amplitude |
| 05/20/1997 | US5631604 Waste energy control and management in power amplifiers |
| 05/20/1997 | US5631603 Offset cancellation for differential amplifiers |
| 05/20/1997 | US5631599 Two stage current mirror |
| 05/20/1997 | US5631595 Voltage signal line driver comprising a push-pull bridge amplifier |
| 05/20/1997 | US5631594 Tunable logarithmic amplifier circuit using cascaded triple-tail cells |
| 05/20/1997 | CA2045259C Solid state power amplifier with dynamically adjusted operating point |
| 05/15/1997 | WO1997017755A1 Push-pull power amplifier |
| 05/15/1997 | WO1997017754A1 Tuning amplifier |
| 05/15/1997 | WO1997017738A1 Slotline-to-coplanar waveguide transition |
| 05/15/1997 | WO1997017721A2 Method for making a circuit structure having a flip-mounted matrix of devices |