| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 03/19/2002 | US6359491 Voltage level shifter and poly-silicon display |
| 03/14/2002 | WO2002021685A1 High-frequency amplifier, feed-forward amplifier and distortion compensation amplifier |
| 03/14/2002 | WO2002021684A2 Circuit for producing low-voltage differential signals |
| 03/14/2002 | WO2002021682A1 High gain low power op amp for driving the flat panel display |
| 03/14/2002 | WO2001059923A3 Amplifier arrangement |
| 03/14/2002 | WO2001035526A3 Improved floating, balanced output circuit |
| 03/14/2002 | US20020032893 Linear buffer |
| 03/14/2002 | US20020032012 Transmission circuit and unnecessary radiant wave suppression method |
| 03/14/2002 | US20020031032 Semiconductor memory device with a voltage down converter stably generating an internal down-converted voltage |
| 03/14/2002 | US20020030553 Device for transmitting electromagnetic signals across a structure including modules organized for two-for-one redundancy |
| 03/14/2002 | US20020030552 Microwave double-pole double-throw switch and microwave divide/through switch and power amplifier using thereof |
| 03/14/2002 | US20020030545 Concurrent multi-band low noise amplifier architecture |
| 03/14/2002 | US20020030544 System and method providing level shifting in single ended to differential conversion |
| 03/14/2002 | US20020030542 Active load circuit, and operational amplifier and comparator having the same |
| 03/14/2002 | US20020030541 High frequency power amplifier module and wireless communication apparatus |
| 03/13/2002 | EP1187351A2 Wireless telecommunications multi-carrier receiver architecture |
| 03/13/2002 | EP1187329A1 Self-bias adjustment circuit |
| 03/13/2002 | EP1187316A1 Method and Control Circuit for Use of a HBT Transistor Power Amplifier in a Transmitter Using Zero IF Architecture |
| 03/13/2002 | EP1187315A2 Switchable operational amplifier for switched-opamp-applications |
| 03/13/2002 | EP1187314A1 Adaptive power amplifier system and method |
| 03/13/2002 | EP1187313A1 Transconductance amplifier |
| 03/13/2002 | EP1187311A1 Amplifying device with optimised linearity |
| 03/13/2002 | EP1187208A2 Semiconductor device |
| 03/13/2002 | EP1186097A1 Amplifier circuit |
| 03/13/2002 | EP0722626B1 Signal conditioning apparatus and method exhibiting accurate input impedance and gain characteristics over common mode range and operational environments |
| 03/13/2002 | CN1080951C DC offset compensation device |
| 03/12/2002 | US6356155 Multi-band amplifier having multi-tap RF choke |
| 03/12/2002 | US6356154 FET-based, linear voltage-controlled resistor for wide-band gain control circuit |
| 03/12/2002 | US6356153 Rail-to-rail input/output operational amplifier and method |
| 03/12/2002 | US6356152 Amplifier with folded super-followers |
| 03/12/2002 | US6356151 Multiple channel class D audio amplifier |
| 03/12/2002 | US6356148 Systems and methods for enhancing charge transfer amplifier gain |
| 03/12/2002 | US6356147 Wideband dual amplifier circuits |
| 03/12/2002 | US6356135 Programmable electronic trim capacitor |
| 03/12/2002 | US6356023 Traveling wave tube amplifier with reduced sever |
| 03/07/2002 | WO2002019551A2 Circuits and methods for reducing interference from switched mode circuits |
| 03/07/2002 | WO2002019545A2 System for closed loop power control using a linear or a non-linear power amplifier |
| 03/07/2002 | WO2002019519A1 Power amplifier module |
| 03/07/2002 | WO2002019518A1 Multistage amplifier |
| 03/07/2002 | WO2002019050A1 Current mirror circuit |
| 03/07/2002 | WO2001067591A3 Digital-to-analog interface circuit having adjustable time response |
| 03/07/2002 | WO2001052404A3 System and method for linearizing vacuum electronic amplification |
| 03/07/2002 | WO2001039366A3 Circuit that operates in a manner substantially complementary to an amplifying device included therein and apparatus incorporating same |
| 03/07/2002 | US20020028664 Control method and circuit for using a heterojunction bipolar transistor power amplifier in a zero intermediate frequency architecture transmitter |
| 03/07/2002 | US20020027808 Differential output circuit |
| 03/07/2002 | US20020027806 Multiple output current mirror with improved accuracy |
| 03/07/2002 | US20020027477 Microwave amplifying circuit, microwave amplifying device, and distortion compensation circuit |
| 03/07/2002 | US20020027476 Current amplifier |
| 03/07/2002 | US20020027475 Low-noise amplifier, in particular for a cellular mobile telephone |
| 03/07/2002 | US20020027453 Amplifying signals in switched capacitor environments |
| 03/07/2002 | DE10135236A1 Verzerrungsarmer Verstärker Low distortion amplifier |
| 03/07/2002 | DE10045721C1 Differential line driver circuit has symmetrical arrangement of 2 operational amplifiers with coupling resistance between each circuit output and inverting input of opposite amplifier |
| 03/07/2002 | DE10042170A1 Differentieller, komplementärer Verstärker Differential complementary amplifier |
| 03/07/2002 | DE10040399A1 Schaltbarer Operationsverstärker für Switched-Opamp-Anwendungen Switched operational amplifier for switched op-amp applications |
| 03/07/2002 | DE10038374A1 Treiberschaltung für Teilnehmerendgeräte Driver circuit for subscriber terminals |
| 03/07/2002 | CA2420687A1 System for closed loop power control using a linear or a non-linear power amplifier |
| 03/06/2002 | EP1184973A1 Power amplification equipment |
| 03/06/2002 | EP1184932A1 Device for the transmission of electromagnetic signals through a structure comprising modules for achieving a one out of two redundancy |
| 03/06/2002 | EP1183858A2 Slic architecture and interfaces |
| 03/06/2002 | EP1183776A1 Power modulation systems and methods that separately amplify low and high frequency portions of an amplitude waveform |
| 03/06/2002 | CN2481056Y Current type synchronous ultra-A type deflecting compensator |
| 03/05/2002 | US6353367 Cascode amplifier integrated circuit with reduced miller capacitance at an output buffer stage during a transient fall response |
| 03/05/2002 | US6353366 Bandwidth enhancement of transimpedance amplifier by capacitive peaking design |
| 03/05/2002 | US6353363 Low voltage rail-to-rail CMOS output stage |
| 03/05/2002 | US6353362 Resonance free complementary bipolar output stage |
| 03/05/2002 | US6353361 Fully differential two-stage operational amplifier with gain boosting |
| 03/05/2002 | US6353360 Linearized power amplifier based on active feedforward-type predistortion |
| 03/05/2002 | US6353354 Pulse-width modulated bridge circuit within a second bridge circuit |
| 03/05/2002 | US6353344 High impedance bias circuit |
| 03/05/2002 | US6353343 ISI-rejecting differential receiver |
| 03/05/2002 | US6353298 Low distortion audio range class-AB full H-bridge pre-driver amplifier |
| 02/28/2002 | WO2002017480A1 Linear pre-amplifier for radio-frequency power amplifier |
| 02/28/2002 | WO2002017402A2 Wideband differential amplifier and summing circuit including such wideband differential amplifier |
| 02/28/2002 | WO2001080422A3 Boosted high gain, very wide common mode range, self-biased operational amplifier |
| 02/28/2002 | US20020025792 AGC amplifier circuit for use in a digital satellite broadcast receiver apparatus |
| 02/28/2002 | US20020025790 Linear compensated amplifying equipment |
| 02/28/2002 | US20020024719 Techniques for enhancing gain in a quasi-optic grid array |
| 02/28/2002 | US20020024392 High frequency power amplifier system and wireless communication system |
| 02/28/2002 | US20020024391 High-frequency semiconductor device |
| 02/28/2002 | US20020024390 Power amplifier module |
| 02/28/2002 | US20020024387 Method for controlling bias in an active grid array |
| 02/28/2002 | US20020024384 Common mode feedback bias for low voltage opamps |
| 02/28/2002 | US20020024383 Power amplification equipment |
| 02/28/2002 | US20020024382 Switched-capacitor, common-mode feedback circuit for a differential amplifier without tail current |
| 02/28/2002 | US20020024363 Sample-and-hold amplifier circuit and pipelined A/D and D/A converters using sample hold amplification circuit |
| 02/28/2002 | DE10038373A1 Breitband-Treiberschaltung Broadband driver circuit |
| 02/27/2002 | EP1181773A1 Overvoltage protection |
| 02/27/2002 | EP1181772A1 Broadcast transmission system with correction for distortion |
| 02/27/2002 | EP1181770A1 Broadcast transmission system with distributed correction |
| 02/27/2002 | CN1338154A Hardware-efficient transceiver with Delta-Sigma digital-to-analog converter |
| 02/27/2002 | CN1337834A Power amplifier share in wireless communication system with transmitting diversity |
| 02/27/2002 | CN1337759A Radio-frequency signal output module with radio-frequency power amplifier and isolation elements |
| 02/27/2002 | CN1080027C Tri-state audio differential driver |
| 02/27/2002 | CN1080026C Power amplifier predrive stage |
| 02/26/2002 | US6351327 Liquid crystal pixel current sensing for silicon micro displays |
| 02/26/2002 | US6351230 Dactrans matchcado |
| 02/26/2002 | US6351187 Structure of operational amplifier |
| 02/26/2002 | US6351186 Operational amplifier with enhanced-gain output stages |
| 02/26/2002 | US6351185 Increased output swing line drivers for operation at supply voltages that exceed the breakdown voltage of the integrated circuit technology |
| 02/26/2002 | US6351184 Dynamic switching frequency control for a digital switching amplifier |