| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 08/26/2004 | US20040164793 Differential circuit with a linearity correction loop |
| 08/26/2004 | US20040164792 Switching circuit and digital power amplifier |
| 08/26/2004 | US20040164790 Bias circuit having a start-up circuit |
| 08/26/2004 | US20040164784 Amplifier circuit |
| 08/26/2004 | US20040164783 Precision full-wave rectifier circuit for high-density, low-power implantable medical device |
| 08/26/2004 | US20040164407 Semiconductor device, power amplifier device and PC card |
| 08/26/2004 | US20040164232 Photocurrent-to-binary signal conversion apparatus capable of suppressing waveform distortion |
| 08/26/2004 | DE10307316B3 Amplifier switching circuit with active gain-step-switching is for high-frequency equipment and includes intermediate step amplifier with two transistors and diode |
| 08/26/2004 | DE10305366A1 Schaltungsanordnung und Verfahren zum beschleunigten Umschalten eines Verstärkers Circuit arrangement and method for accelerated switching an amplifier |
| 08/26/2004 | DE10305360A1 High-frequency amplifier circuit with variable output capacitance, has switch for connecting capacitors connected across output terminals to vary capacitance |
| 08/26/2004 | DE10304861A1 Circuit with traveling wave amplifier, has active preamplifier whose gain-bandwidth product is matched to that of traveling wave amplifier |
| 08/25/2004 | EP1450482A2 Circuit and method for compensating for nonlinear distortion of power amplifier |
| 08/25/2004 | EP1450479A1 Efficient modulation of RF signals |
| 08/25/2004 | EP1450290A1 Method and circuit for perturbing removable singularities in coupled translinear loops |
| 08/25/2004 | EP1450181A1 Circuit arrangement for signal detection |
| 08/25/2004 | EP1448890A1 High-frequency ignition for an internal combustion engine |
| 08/25/2004 | CN1524340A High-bandwidth low-voltage gain cell and voltage follower having an enhanced transconductance |
| 08/25/2004 | CN1524338A Communication system and arrangements comprising such a communication system |
| 08/25/2004 | CN1524276A Tunable ferro-electric filter |
| 08/25/2004 | CN1523753A Transimpedance amplifier with feedback resistive network |
| 08/25/2004 | CN1523752A Inter-stage coupling in multistage amplifiers |
| 08/25/2004 | CN1523751A Circuit and method for compensating for nonliner distortion of power amplifier |
| 08/25/2004 | CN1523557A Electronic circuit, electronic device, electrooptics device and electronic machine |
| 08/25/2004 | CN1523547A Semiconductor device and display device using the same and electronic device |
| 08/25/2004 | CN1164027C Power amplifying circuit with power supply regulator for controlling adjacent and alternate channel power |
| 08/25/2004 | CN1164026C Double-frequency-band amplifier |
| 08/24/2004 | US6782107 Method and arrangement for automatically controlling the volume in an audio signal reproduction device |
| 08/24/2004 | US6781605 Display apparatus and driving device for displaying |
| 08/24/2004 | US6781468 Photo-amplifier circuit with improved power supply rejection |
| 08/24/2004 | US6781467 High linearity low noise amplifier |
| 08/24/2004 | US6781465 Method and apparatus for differential signal detection |
| 08/24/2004 | US6781464 Balanced amplifier and filter using the same |
| 08/24/2004 | US6781463 Low voltage amplifier |
| 08/24/2004 | US6781462 Power amplifier |
| 08/24/2004 | US6781461 Method and system for producing a drive signal for a current steering amplifier |
| 08/24/2004 | US6781460 Low power low voltage differential signal receiver with improved skew and jitter performance |
| 08/24/2004 | US6781459 Circuit for improved differential amplifier and other applications |
| 08/24/2004 | US6781458 Providing DC isolation in switching amplifiers |
| 08/24/2004 | US6781456 Failsafe differential amplifier circuit |
| 08/24/2004 | US6781455 High efficiency power amplifier |
| 08/24/2004 | US6781454 Linearized traveling wave tube circuit with pre-distortion linearizer |
| 08/24/2004 | US6781453 Method of detecting load impedance for inductive boost amplifier |
| 08/24/2004 | US6781452 Power supply processing for power amplifiers |
| 08/24/2004 | US6781451 Switched-capacitor, common-mode feedback circuit for a differential amplifier without tail current |
| 08/24/2004 | US6781450 Low-frequency auto-zeroed amplifier |
| 08/24/2004 | US6781449 Electronic output stage |
| 08/24/2004 | US6781445 Low power large signal RF tuned buffer amplifier |
| 08/24/2004 | US6781443 Potential generating circuit capable of correctly controlling output potential |
| 08/24/2004 | US6781442 Self-bias adjustment circuit |
| 08/24/2004 | US6781441 Very small current generating circuit |
| 08/24/2004 | US6781108 Noise canceling photosensor-amplifier device |
| 08/24/2004 | CA2259315C Device and method for compensating phase distortion |
| 08/19/2004 | WO2004070959A1 Transmission device and adjustment method thereof |
| 08/19/2004 | WO2004070945A1 Power amplifying unit |
| 08/19/2004 | WO2004070944A1 Voltage buffer for capacitive loads |
| 08/19/2004 | WO2004070941A2 Monolithic supply-modulated rf power amplifier and dc-dc power converter ic |
| 08/19/2004 | WO2004070770A2 Circuit arrangement and method for the accelerated switching over of an amplifier |
| 08/19/2004 | WO2004012333A3 Method and apparatus for common-mode level shifting |
| 08/19/2004 | US20040161123 Electronic device having sound output module |
| 08/19/2004 | US20040161122 Apparatus for electric to acoustic conversion |
| 08/19/2004 | US20040160351 Fully differential reference driver for pipeline analog to digital converter |
| 08/19/2004 | US20040160347 H-bridge common-mode noise reduction circuit |
| 08/19/2004 | US20040160276 Multistaged amplification circuit |
| 08/19/2004 | US20040160275 Inter-stage coupling in multistage amplifiers |
| 08/19/2004 | US20040160271 Pulse width modulation amplifier |
| 08/19/2004 | US20040160270 Error amplifier and DC-DC converter and the method thereof |
| 08/19/2004 | US20040160269 Driving circuit for display device |
| 08/19/2004 | US20040160268 Current source circuit and amplifier using the same |
| 08/19/2004 | US20040160264 Mixer circuit having improved linearity and noise figure |
| 08/19/2004 | US20040160249 High-swing transconductance amplifier for charge pump circuit |
| 08/19/2004 | US20040160245 Linear low noise transconductance cell |
| 08/19/2004 | US20040160244 Sense amplifier having synchronous reset or asynchronous reset capability |
| 08/19/2004 | US20040160243 System, method and apparatus for improving sense amplifier performance characteristics using process feedback |
| 08/19/2004 | DE10327620A1 Vorrichtung und Verfahren zur digitalen Pulsweiten-Modulation Apparatus and method for digital pulse width modulation |
| 08/19/2004 | DE10306689A1 Schaltungsanordnung zur Signaldetektion Circuitry for signal detection |
| 08/18/2004 | EP1447908A1 Power amplifier |
| 08/18/2004 | EP1447907A1 Pulse width modulation amplifier |
| 08/18/2004 | EP1447906A2 Dual gate low noise amplifier |
| 08/18/2004 | EP1446873A1 Method and system for multiple tuner application using a low noise broadband distribution amplifier |
| 08/18/2004 | EP1355427A9 Differential comparator circuit |
| 08/18/2004 | CN1522494A Method and an arrrangement relating to telecommunications systems |
| 08/18/2004 | CN1521977A Communication device performing communication using two clock signals complementary to each other |
| 08/18/2004 | CN1521971A Frequency detection apparatus and method for linear power amplifier in WCDMA system |
| 08/18/2004 | CN1521954A Circuit arrangement for signal detection |
| 08/18/2004 | CN1521943A Current source circuit and amplifier using the same |
| 08/18/2004 | CN1521884A High-frequency circuit |
| 08/18/2004 | CN1521715A Driving circuit for display device |
| 08/17/2004 | US6778785 Photoelectric conversion method, light receiving circuit, and optical communication system |
| 08/17/2004 | US6778448 Semiconductor memory and output signal control method and circuit in semiconductor memory |
| 08/17/2004 | US6778036 High-frequency circuit device having isolator ports each having two terminals |
| 08/17/2004 | US6778021 Wide dynamic range transimpedance amplifier with a controlled low frequency cutoff at high optical power |
| 08/17/2004 | US6778020 High-frequency power amplifier |
| 08/17/2004 | US6778018 Linear power amplifier |
| 08/17/2004 | US6778016 Simple self-biased cascode amplifier circuit |
| 08/17/2004 | US6778015 Distributed amplifier |
| 08/17/2004 | US6778014 CMOS differential amplifier |
| 08/17/2004 | US6778013 Buffer amplifier structures with enhanced linearity |
| 08/17/2004 | US6778012 Polyphase impedance transformation amplifier |
| 08/17/2004 | US6778011 Pulse-width modulation circuit and power amplifier circuit |
| 08/17/2004 | US6778010 Amplifier slew-rate enhancement systems for use with switched-capacitor structures |