| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 02/04/1997 | US5600713 On-board ring signal generator |
| 02/04/1997 | US5600575 Drive protection monitor for motor and amplifier |
| 02/04/1997 | US5600278 Programmable instrumentation amplifier |
| 02/04/1997 | US5600275 Low-voltage CMOS comparator with offset cancellation |
| 02/04/1997 | US5600269 Low power consumption comparator circuit |
| 02/04/1997 | US5600235 Bipolar cascadable circuit configuration for signal limitation and field intensity detection |
| 02/04/1997 | US5600128 Infrared receiver with variable input resistance for optical communication systems |
| 02/04/1997 | US5600118 Binarizing circuit and bar-code reader using such |
| 01/30/1997 | WO1997003496A1 Cascode operational amplifier with multiple input stage |
| 01/29/1997 | EP0756431A2 Power shared linear amplifier network |
| 01/29/1997 | EP0756380A1 Pulse width modulation & protection circuit |
| 01/29/1997 | CN1141698A Signal-receiving and signal-processing unit |
| 01/29/1997 | CN1141536A Grounded inductance circuit using gyrator circuit |
| 01/29/1997 | CN1141533A Reverse connection braking high fidelity amplifier circuit |
| 01/29/1997 | CN1141532A Offset cancel circuit and offset cancel system using the same |
| 01/28/1997 | USRE35434 Bipolar-MOS comparator circuit with saturation prevention |
| 01/28/1997 | US5598129 Low current drain operational transconductance amplifier |
| 01/28/1997 | US5598128 Operational amplifier with high common mode rejection |
| 01/28/1997 | US5598117 MOS differential voltage-to-current converter circuit with improved linearity |
| 01/23/1997 | WO1997002654A1 Rf power amplifier system having an improved drive system |
| 01/23/1997 | WO1997002653A1 Output stage for buffering signals |
| 01/23/1997 | WO1997002517A1 Multi-stage current feedback amplifier |
| 01/23/1997 | DE19524476C1 Transformation circuit for converting single-ended signals to balanced fully differential signals and vice versa |
| 01/22/1997 | EP0755129A2 Cellular base station amplifiers for amplifying received RF signals |
| 01/22/1997 | EP0755114A1 Semiconductor device comprising a power amplifier and mobile telecommunication terminal apparatus including such a semiconductor device |
| 01/22/1997 | CN1140965A Power sharing system for RF amplifiers |
| 01/22/1997 | CN1140931A Method and apparatus for amplifying signal |
| 01/22/1997 | CN1140930A Circuit arrangement for processing first or second high-frequency signal |
| 01/21/1997 | US5596302 Ring oscillator using even numbers of differential stages with current mirrors |
| 01/21/1997 | US5596299 IF amplifier/limiter with positive feedback |
| 01/21/1997 | US5596289 Differential-difference current conveyor and applications therefor |
| 01/21/1997 | CA2043838C Power amplifier having multiple switched stages |
| 01/16/1997 | WO1996034451A3 Rail-to-rail input stages with gm-control by multiple input pairs |
| 01/15/1997 | EP0753936A1 Audio signal transmission circuit |
| 01/15/1997 | EP0753935A1 Signal amplifier |
| 01/15/1997 | EP0753934A1 Single-output dual-supply class D amplifier |
| 01/14/1997 | US5594633 Voltage-to-current converting circuit operating with low supply voltage |
| 01/14/1997 | US5594387 Amplifier circuit having nagative feedback loop for self-bias |
| 01/14/1997 | US5594386 Pulse width modulated amplifier |
| 01/14/1997 | US5594383 Analog filter circuit and semiconductor integrated circuit device using the same |
| 01/14/1997 | US5594375 Electrical power amplifier for continuous cardiac output monitoring |
| 01/14/1997 | US5594372 Source follower using NMOS and PMOS transistors |
| 01/09/1997 | WO1997001219A1 A high frequency, differential limiting distributed amplifier |
| 01/09/1997 | WO1996031947A3 Offset-compensated linear rf detector |
| 01/08/1997 | EP0602163B1 Power amplifier with quiescent current control |
| 01/07/1997 | US5592559 Speaker driving circuit |
| 01/07/1997 | US5592510 Common mode early voltage compensation subcircuit for current driver |
| 01/07/1997 | US5592124 Integrated photodiode/transimpedance amplifier |
| 01/07/1997 | US5592123 Frequency stability bootstrapped current mirror |
| 01/07/1997 | US5592122 Radio-frequency power amplifier with input impedance matching circuit based on harmonic wave |
| 01/07/1997 | US5592053 Diamond target electron beam device |
| 01/02/1997 | EP0750807A1 Amplifier |
| 01/01/1997 | CN1139320A Transmitter having temperature-compensated detector |
| 01/01/1997 | CN1139318A Voltage balancing circuit |
| 01/01/1997 | CN1139213A Split-path linear isolation circuit apparatus and method |
| 12/31/1996 | US5590412 Communication apparatus using common amplifier for transmission and reception |
| 12/31/1996 | US5589800 Dual voltage level shifted, cascoded current mirror |
| 12/31/1996 | US5589799 Low noise amplifier for microphone |
| 12/31/1996 | US5589798 Input stage improvement for current feedback amplifiers |
| 12/31/1996 | US5589796 Method and apparatus for increasing amplifier efficiency |
| 12/31/1996 | US5589785 Low-voltage CMOS comparator |
| 12/31/1996 | US5589682 Photocurrent detector circuit with high sensitivity, fast response time, and large dynamic range |
| 12/27/1996 | WO1996042135A1 A low-voltage rail-to-rail operational amplifier |
| 12/27/1996 | WO1996042134A1 Amplifier |
| 12/27/1996 | WO1996031946A3 A linearizer for linearizing a non-linear component controlled by control voltage |
| 12/27/1996 | EP0750393A2 A high voltage operational amplifier output stage |
| 12/27/1996 | EP0750392A2 A high voltage operational amplifier |
| 12/27/1996 | EP0750391A2 Wide-band amplifier |
| 12/27/1996 | EP0750390A1 Kinescope driver apparatus |
| 12/27/1996 | EP0749645A1 An amplifier circuit |
| 12/24/1996 | US5587687 Multiplier based transconductance amplifiers and transconductance control circuits |
| 12/20/1996 | CA2167551A1 Power sharing system for rf amplifiers |
| 12/19/1996 | WO1996031945A3 An amplifier stage having a switchable gain and reduced distortion |
| 12/18/1996 | EP0749205A1 Switched capacitor gain stage |
| 12/18/1996 | EP0749059A2 Telecommunication terminal with voltage regulator |
| 12/18/1996 | EP0749001A1 Offset cancel circuit and offset cancel system using the same |
| 12/18/1996 | EP0564490A4 Improved switching amplifier |
| 12/18/1996 | CN1138246A Voltage-to-current converter using current mirror circuits |
| 12/17/1996 | US5586194 Augmentation amplifier |
| 12/17/1996 | US5586114 Multiplexing instrumentation preamplifier |
| 12/17/1996 | US5585763 Controlled impedance amplifier |
| 12/17/1996 | US5585762 Arrangement for controlling the operation of a high-frequency power amplifier |
| 12/17/1996 | US5585755 Audio differential bus receiver for audio/video interconnection |
| 12/17/1996 | US5585747 High speed low power sense amplifier |
| 12/17/1996 | CA2079017C Differential amplifier arrangement |
| 12/17/1996 | CA2043103C Low noise multi-stage type amplifier |
| 12/12/1996 | WO1996039743A1 Micro-power rail-to-rail amplifier |
| 12/12/1996 | WO1996031948A3 Differential amplifier with signal-dependent offset, and multi-step dual-residue analog-to-digital converter including such a differential amplifier |
| 12/12/1996 | DE19611961A1 Amplifier circuit e.g. for output buffer of DRAM |
| 12/11/1996 | EP0748042A1 Improved current sensing differential amplifier for low voltage operation |
| 12/11/1996 | EP0748041A1 Compact photosensor circuit having automatic intensity range control |
| 12/11/1996 | EP0748040A1 Gain stability arrangement for HV MOSFET power amplifier |
| 12/11/1996 | EP0747988A1 High-frequency composite components |
| 12/11/1996 | EP0746929A1 High speed differential receiver for data communications |
| 12/11/1996 | EP0746911A1 Transceiver for transmitting and receiving stair-stepped sinusoidal waveforms |
| 12/11/1996 | EP0746903A1 Distortion compensation for a pulsewidth-modulated circuit |
| 12/11/1996 | CN2242544Y Active circuit TV aerial with integrated waveband selection and remote control |
| 12/11/1996 | CN1033547C Operational transconductance amplifier with matched outputs |
| 12/10/1996 | US5583465 Method and apparatus for improving the speed and accuracy of a circuit utilizing a feedback amplifier configuration |
| 12/10/1996 | US5583425 Voltage comparator with controlled output current proportional to difference voltage |