| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 05/15/1997 | WO1997017720A2 Circuit structure having a flip-mounted matrix of devices |
| 05/15/1997 | WO1997014215A3 Comparator with smooth start-up for high frequencies |
| 05/14/1997 | EP0772906A2 If amplifiers/limiters |
| 05/14/1997 | CN1149942A Negative-resistance-compensated microwave buffer |
| 05/14/1997 | CN1149788A High-gain amplifier capable of protecting parasitic oscillation |
| 05/13/1997 | US5629648 For providing thermally stable radio frequency power amplification |
| 05/13/1997 | US5629647 Audio amplifier switching noise measuring method and device |
| 05/13/1997 | US5629633 Method for predicting an output current of a transistor |
| 05/13/1997 | US5629614 Voltage-to-current converter |
| 05/08/1997 | CA2189718A1 Power amplifier system with variable output |
| 05/07/1997 | EP0772291A2 Method and system for increasing the power efficiency of a balanced amplifier/antenna combination |
| 05/07/1997 | EP0772290A1 Tube amplifier |
| 05/07/1997 | EP0772111A2 Circuits for generating a current which is proportional to absolute temperature |
| 05/07/1997 | EP0771492A1 Servo-amplifier for controlling a high-ohmic low-voltage source |
| 05/07/1997 | DE19620839A1 Operational amplifier with differential transistor pair |
| 05/07/1997 | DE19541219A1 Amplifier circuit with two amplifiers |
| 05/06/1997 | US5627732 Multiple output current mirror |
| 05/06/1997 | US5627495 Topography for integrated circuit operational amplifier |
| 05/06/1997 | US5627494 High side current sense amplifier |
| 05/06/1997 | US5627490 Amplifier circuit |
| 05/02/1997 | EP0771068A1 Bias controller for decreasing bias current supplied to amplifier without sacrifice of distortion |
| 05/02/1997 | EP0771033A2 Semiconductor integrated circuit with differential circuit |
| 05/02/1997 | EP0771032A2 High-frequency amplifier integrated circuit device |
| 05/02/1997 | EP0770283A1 Feedback amplifier with improved speed and accuracy |
| 05/01/1997 | CA2186278A1 Method and system for increasing the power efficiency of a balanced amplifier/antenna combination |
| 04/30/1997 | CN1148773A Receiver for audio frequency/video frequency interlinked difference main line |
| 04/29/1997 | US5625566 Configuration dependent auto-biasing of bipolar transistor |
| 04/29/1997 | US5625323 FET gate bias circuit |
| 04/29/1997 | US5625321 Variable gain amplifier apparatus |
| 04/29/1997 | US5625320 Differential preamplifier and pre-emphasis network |
| 04/29/1997 | US5625318 Differential amplifier having a double differential amplifier pair with interconnected control electrodes |
| 04/29/1997 | US5625317 For tuning a cutoff frequency |
| 04/29/1997 | US5625313 Cascode circuit operable at a low working voltage and having a high output impedance |
| 04/29/1997 | US5625304 Voltage comparator requiring no compensating offset voltage |
| 04/29/1997 | US5625205 Bipolar transistor circuit |
| 04/24/1997 | WO1997015170A1 Class d hearing aid amplifier with feedback |
| 04/24/1997 | WO1997015025A1 Electro-optical sensor |
| 04/24/1997 | WO1997008823A3 Circuit arrangement provided with a voltage - current converter |
| 04/23/1997 | EP0769848A2 A gain stage and offset volage elimination method |
| 04/23/1997 | EP0692163B1 Radio repeater |
| 04/23/1997 | EP0617859B1 Transimpedance amplifier |
| 04/23/1997 | CN1148289A Power amplifier circuit |
| 04/22/1997 | US5623232 Topography for integrated circuit operational amplifier having low impedance input for current feedback |
| 04/22/1997 | US5623231 Push-pull power amplifier |
| 04/22/1997 | US5623230 Low-offset, buffer amplifier |
| 04/22/1997 | US5623229 Compensation circuit for input stage of high speed operational amplifier |
| 04/22/1997 | US5623228 Non-linear feedback network providing a linear transfer function |
| 04/22/1997 | US5623220 Offset reduction in a zero-detect circuit |
| 04/17/1997 | WO1997014215A2 Comparator with smooth start-up for high frequencies |
| 04/16/1997 | EP0768760A1 Current comparator |
| 04/16/1997 | EP0768755A1 Active low-pass filter circuit |
| 04/16/1997 | EP0768753A1 Tuned amplifier |
| 04/16/1997 | EP0768752A1 Low distortion power sharing amplifier network |
| 04/16/1997 | EP0768751A1 Improved offset cancellation for differential amplifiers |
| 04/16/1997 | EP0768533A1 Differential charge amplifier for piezoelectric sensor |
| 04/16/1997 | EP0767989A1 Offset-compensated linear rf detector |
| 04/16/1997 | EP0767988A2 RAIL-TO-RAIL INPUT STAGES WITH g m?-CONTROL BY MULTIPLE INPUT PAIRS |
| 04/16/1997 | EP0767622A1 Electrical power amplifier for continuous cardiac output monitoring |
| 04/15/1997 | US5621374 Amplifying circuit for simulating a unity gain buffer amplifier |
| 04/15/1997 | US5621358 Transconductor stage with controlled gain |
| 04/15/1997 | US5621357 For driving a load coupled to a circuit output terminal |
| 04/15/1997 | US5621356 Amplifier having a reduced distortion rate |
| 04/15/1997 | US5621353 Operational amplifier switchable to different configurations |
| 04/15/1997 | US5621352 Self-configurable, dual bridge, power amplifier |
| 04/15/1997 | US5621351 Modulation amplifier for radio transmitters |
| 04/15/1997 | US5621343 Demodulator circuit which demodulates pulse width modulated signals used in a semiconductor integrated circuit |
| 04/15/1997 | US5621340 Differential comparator for amplifying small swing signals to a full swing output |
| 04/15/1997 | US5621339 Method and apparatus for removing trapped oxide charge from a differential input stage |
| 04/10/1997 | WO1997013331A1 Bypass device in an amplifier unit |
| 04/10/1997 | WO1997013320A1 Power amplifier and communication device |
| 04/10/1997 | DE19537537A1 Amplifier with multiple DC-coupled amplification stages |
| 04/10/1997 | DE19536281A1 Wide-band amplifier device with dc coupled cascade stages e.g. for ultrasonic device |
| 04/09/1997 | EP0767535A2 Radio frequency amplifier having improved CTB and cross modulation characteristics |
| 04/09/1997 | EP0767532A1 Oscillation circuit and oscillation method |
| 04/09/1997 | EP0767480A2 Helix travelling-wave tube |
| 04/09/1997 | EP0720728A4 Two-wire constant current powered transducer |
| 04/09/1997 | CN2251837Y Audiofrequency amplifier |
| 04/08/1997 | US5619578 Multi-stage solid state amplifier that emulates tube distortion |
| 04/08/1997 | US5619386 Arrangement for reading information from a track on a record carrier comprising a fast settling read amplifier for magneto-resistive heads |
| 04/08/1997 | US5619169 Variable gain differential amplifier |
| 04/08/1997 | US5619163 Bandgap voltage reference and method for providing same |
| 04/08/1997 | US5619152 Circuit arrangement for supplying an alternating signal current |
| 04/03/1997 | DE19630701A1 Leistungsverstärker- und Lautsprecherkorb-Integration Power amplifier and loudspeaker frame integration |
| 04/03/1997 | DE19600593C1 Amplifier especially for generating high voltage signals |
| 04/02/1997 | EP0766397A1 Driver for light emitting device |
| 04/02/1997 | EP0766381A1 Improved single-ended to differential converter with relaxed common-mode input requirements |
| 04/02/1997 | EP0766380A2 Integrated microwave silicon component |
| 04/02/1997 | EP0766379A1 Differential amplifier circuit for use in a read channel for a magnetic recording system |
| 04/02/1997 | EP0766377A1 Current supply circuit for multiple power amplifiers |
| 04/02/1997 | EP0765543A1 Differential amplifier with common-mode rejection for low supply voltages |
| 04/01/1997 | US5617093 Switched capacitor analog circuits with low input capacitance |
| 04/01/1997 | US5617064 Active resistor for stability compensation |
| 04/01/1997 | US5617059 Power amplifier, and associated method, for a microwave repeater station |
| 04/01/1997 | US5617058 Digital signal processing for linearization of small input signals to a tri-state power switch |
| 04/01/1997 | US5617051 Voltage overshoot limiter |
| 04/01/1997 | US5617044 Comparator circuit |
| 03/26/1997 | EP0765038A2 Improvements relating to CMOS inverter design |
| 03/26/1997 | EP0765030A1 Circuit arrangement with a differential amplifier |
| 03/26/1997 | EP0765029A2 Amplifier circuit for CMOS operational amplifier |
| 03/26/1997 | EP0765028A2 Amplifier arrangements |