| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 03/26/1997 | EP0764364A2 An amplifier stage having a switchable gain and reduced distortion |
| 03/26/1997 | EP0764320A2 Arrangement comprising a magnetic write head, and write amplifier with capacitive current compensation |
| 03/26/1997 | EP0687397B1 Electric power amplifier and process for its operation |
| 03/26/1997 | CN1034381C Differential amplifier with common mode bias |
| 03/25/1997 | US5614867 Current follower with zero input impedance |
| 03/25/1997 | US5614866 Ultra high gain amplifier |
| 03/25/1997 | US5614865 Differential amplifier with improved operational range |
| 03/25/1997 | US5614864 Single-ended to differential converter with relaxed common-mode input requirements |
| 03/25/1997 | US5614863 Method and system for increasing the power efficiency of a balanced amplifier/antenna combination |
| 03/25/1997 | US5614852 Comparator circuit |
| 03/25/1997 | US5614743 Microwave integrated circuit (MIC) having a reactance element formed on a groove |
| 03/20/1997 | WO1997006595A3 Amplifier |
| 03/19/1997 | EP0763886A1 Tuned amplifier |
| 03/19/1997 | CN1145551A Improved class D amplifier and method |
| 03/19/1997 | CN1145550A DC offset compensation device |
| 03/18/1997 | US5613233 Apparatus with distortion cancelling feedback signal |
| 03/18/1997 | US5613010 Apparatus for reproducing sound with a reduced dynamic range |
| 03/18/1997 | US5612649 Inverter amplifier circuits |
| 03/18/1997 | US5612648 Transconductance-capacitance filter with extended control range |
| 03/18/1997 | US5612647 RF power amplifier system having an improved drive system |
| 03/18/1997 | US5612646 Output transformerless amplifier impedance matching apparatus |
| 03/13/1997 | WO1997009779A1 Amplifier circuit |
| 03/13/1997 | WO1997009778A1 gm-CONTROL FOR CMOS RAIL-TO-RAIL INPUT STAGES BY REGULATING THE SUM OF THE GATE-SOURCE VOLTAGES CONSTANT |
| 03/12/1997 | EP0762662A2 Low noise amplifier/mixer/frequency synthesizer circuit for an RF system |
| 03/12/1997 | EP0762637A2 Variable output amplifier |
| 03/12/1997 | EP0762635A2 Current driving circuit with shoot-through regulation |
| 03/12/1997 | EP0762634A2 Voltage-to-current converter with MOS reference resistor |
| 03/12/1997 | EP0762633A1 Analog signal amplifiers and audio signal amplifiers |
| 03/12/1997 | EP0762632A1 Transmitting device of wireless machine and high frequency power amplifying device used therein |
| 03/12/1997 | EP0762631A2 Power amplification circuit |
| 03/12/1997 | EP0762629A1 Low voltage bias current compensation circuit |
| 03/12/1997 | EP0761037A1 Differential amplifier with signal-dependent offset, and multi-step dual-residue analog-to-digital converter including such a differential amplifier |
| 03/12/1997 | CN1144994A High-gain amplifier circuit |
| 03/12/1997 | CN1144963A Sense amplifier |
| 03/11/1997 | US5610563 Slot line to CPW circuit structure |
| 03/11/1997 | US5610557 Method and circuit for trimming an operational amplifier having dual input stages |
| 03/11/1997 | US5610556 Multi-port amplifiers with switchless redundancy |
| 03/11/1997 | US5610555 Low-voltage driven, audio signal amplifying apparatus and a portable acoustic system using said apparatus |
| 03/11/1997 | US5610553 Switching amplifier with impedance transformation output stage |
| 03/11/1997 | US5610505 Voltage-to-current converter with MOS reference resistor |
| 03/06/1997 | WO1997008834A1 Folding a/d converter |
| 03/06/1997 | WO1997008823A2 Circuit arrangement provided with a voltage - current converter |
| 03/06/1997 | WO1997008815A1 Opposed current power converter |
| 03/06/1997 | CA2184550A1 Low voltage bias current compensation circuit |
| 03/05/1997 | EP0760555A1 Current generator circuit having a wide frequency response |
| 03/05/1997 | EP0760179A1 Impedance circuit for a miniature hearing aid |
| 03/05/1997 | EP0583398A4 Drive amplifier for power line communications |
| 03/05/1997 | EP0546173B1 Tone receiver comprising a switch capacitor zero crossing detector |
| 03/05/1997 | CN1144427A High-frequency amplifier, transmitting device and receiving device |
| 03/05/1997 | CN1144422A Output-controlled power amplifier, radio communication terminal and radio communication base station |
| 03/04/1997 | US5608353 HBT power amplifier |
| 03/04/1997 | US5608352 Differential input circuit capable of broadening operation range of input common mode potential |
| 03/04/1997 | US5608350 Operational amplifier with control sequence circuit |
| 02/27/1997 | WO1997007528A1 Biasing arrangement for linear detector array |
| 02/27/1997 | WO1997006728A1 Improved recording configuration for the recording of electro-physiological signals (and non-physiological physical measures) |
| 02/26/1997 | EP0759588A2 Circuit arrangement for delivering a constant current |
| 02/26/1997 | EP0759230A1 Cmos programmable resistor-based transconductor |
| 02/26/1997 | EP0759229A1 Low distortion differential transconductor output current mirror |
| 02/26/1997 | EP0759228A1 Continuous time programmable analog block architecture |
| 02/26/1997 | EP0759227A1 Phase linear class e amplifier for a satellite communication system |
| 02/26/1997 | EP0759226A1 Active resistor for stability compensation |
| 02/26/1997 | EP0563125A4 Dynamically biased amplifier |
| 02/26/1997 | CN2248422Y Audio frequency power amplification with modification of distortion line |
| 02/25/1997 | US5606289 Audio frequency power amplifiers with actively damped filter |
| 02/25/1997 | US5606288 Differential transimpedance amplifier |
| 02/25/1997 | US5606287 Operational amplifier having stable operations for a wide range of source voltage, and current detector circuit employing a small number of elements |
| 02/25/1997 | US5606282 Transimpedance amplifier |
| 02/25/1997 | US5606281 Power amplifier stage of the voltage follower type |
| 02/25/1997 | US5606277 AC coupling loops for current-to-voltage transimpedance amplifiers and methods of using same |
| 02/25/1997 | US5606272 Comparator with smooth start-up for high frequencies |
| 02/23/1997 | CA2179552A1 Low noise amplifier/mixer/frequency synthesizer circuit for an rf system |
| 02/20/1997 | WO1997006595A2 Amplifier |
| 02/18/1997 | US5604464 Cascode operational amplifier with multiple input stage |
| 02/18/1997 | US5604463 Coupling circuit |
| 02/18/1997 | US5604462 Intermodulation distortion detection in a power shared amplifier network |
| 02/18/1997 | US5604461 Transformerless output vacuum tube audio amplifier |
| 02/18/1997 | US5604451 Sense amplifier circuit |
| 02/18/1997 | CA2151089C High frequency power amplifier with high efficiency and low distortion |
| 02/13/1997 | WO1997005696A1 Fully differential output cmos power amplifier |
| 02/13/1997 | WO1997005695A1 Field effect transistor cable television line amplifier |
| 02/13/1997 | WO1996036106A3 Feedback amplifier with improved speed and accuracy |
| 02/13/1997 | CA2201367A1 Fully differential output cmos power amplifier |
| 02/12/1997 | EP0758164A1 Improved class D amplifier and method |
| 02/12/1997 | EP0758162A2 DC offset compensation device |
| 02/12/1997 | EP0758108A2 Current mirror arrangement |
| 02/12/1997 | EP0757857A1 Low-voltage cmos comparator |
| 02/12/1997 | EP0558526B1 Composite bridge amplifier |
| 02/12/1997 | CN1142710A Voltage signal line driver comprising push-pull bridge amplifier |
| 02/11/1997 | US5602511 Capacitive transimpedance amplifier having dynamic compression |
| 02/11/1997 | US5602510 Automatic transimpedance control amplifier having a variable impedance feedback |
| 02/11/1997 | US5602509 MOS operational transconductance amplifier using an adaptively-biased differential pair |
| 02/11/1997 | US5602508 Grounded-base transistor amplifier |
| 02/06/1997 | WO1997004522A1 Power combiner for use in radio frequency system and a method of constructing a power combiner |
| 02/06/1997 | WO1996038907A3 If amplifiers/limiters |
| 02/06/1997 | CA2200077A1 Power combiner for use in a radio frenquency system and a method of constructing a power combiner |
| 02/05/1997 | EP0757436A1 Circuit arrangement with a multiplexer |
| 02/05/1997 | EP0757435A1 Arrangement for reducing the ripple of the transfer function of a microwave ladder network |
| 02/05/1997 | EP0757434A1 High frequency power amplifier with high efficiency |
| 02/05/1997 | EP0756781A1 Negative-resistance-compensated microwave buffer |
| 02/05/1997 | EP0498893B1 Microwave multi-stage amplifier |