| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 03/17/2011 | US20110063028 Power amplifier |
| 03/17/2011 | US20110063027 Class-D amplifier |
| 03/17/2011 | US20110062937 Low Voltage Bandgap Voltage Reference Circuit |
| 03/17/2011 | US20110062313 Nanoelectronic differential amplifiers and related circuits having graphene nanoribbons |
| 03/17/2011 | US20110062311 Circuit and method for temperature and process independent transimpedance amplifier arrangement |
| 03/17/2011 | DE102010007451B3 Push-pull amplifier for amplifying input signal to output signal, has two amplifying elements, where each amplifying element has current emitting electrode and current collecting electrode |
| 03/16/2011 | EP2296268A1 Analog circuit |
| 03/16/2011 | EP2296267A2 Single supply direct drive amplifier |
| 03/16/2011 | EP2294689A1 Amplifier with improved linearization |
| 03/16/2011 | EP2294597A2 Coupled cavity traveling wave tube |
| 03/16/2011 | EP1447908B1 Power amplifier |
| 03/16/2011 | CN201766586U High-power wireless front end |
| 03/16/2011 | CN201766556U Double-channel active partial discharge pulse positioning amplifier |
| 03/16/2011 | CN1543059B Enhanced predistortion method and apparatus |
| 03/16/2011 | CN101986560A Amplifying circuit, semiconductor integrated circuit, wireless transmission system, and communication apparatus |
| 03/16/2011 | CN101986559A Analog signal processing circuit |
| 03/16/2011 | CN101986558A Dynamic balancing class-A audio power amplifier |
| 03/16/2011 | CN101986557A Method and structure for eliminating offset voltage of operational amplifier by using lining bias effect |
| 03/16/2011 | CN101515789B Preamplifier for receiver and method thereof |
| 03/16/2011 | CN101150329B Radio transceiver bias circuit |
| 03/15/2011 | US7907413 Power amplification device and transmitter using it |
| 03/15/2011 | US7907013 Class AB output stage with programmable bias point control |
| 03/15/2011 | US7907012 Current mirror with low headroom and linear response |
| 03/15/2011 | US7907011 Folded cascode operational amplifier having improved phase margin |
| 03/15/2011 | US7907010 Digital amplifier |
| 03/15/2011 | US7907009 High frequency amplifier |
| 03/15/2011 | US7906993 High linearity voltage-current converter able to compensate for mobility degradation |
| 03/10/2011 | WO2011028614A2 System and method for amplifying a signal using multiple amplification stages sharing a common bias current |
| 03/10/2011 | WO2011027387A1 Amplifier |
| 03/10/2011 | WO2011027233A1 High-performance conversion between single-ended and differential/common-mode signals |
| 03/10/2011 | WO2011026858A1 Impedance matching method for a multi-band antenna, and transmission or reception channel having automatic matching |
| 03/10/2011 | WO2011026298A1 Multi-mode power amplifier |
| 03/10/2011 | US20110057922 Drive device and display device |
| 03/10/2011 | US20110057744 Communication Transceiver Having a Three-Line Balun With Power Amplifier Bias |
| 03/10/2011 | US20110057730 Radio frequency power amplifier |
| 03/10/2011 | US20110057728 Amplifier circuit, integrated circuit and radio frequency communication unit |
| 03/10/2011 | US20110057727 Adaptive common mode bias for differential amplifier input circuits |
| 03/10/2011 | US20110057726 Switching amplifier |
| 03/10/2011 | DE102009040543A1 Schaltung und Verfahren zum Trimmen einer Offsetdrift Circuit and method for trimming an offset drift |
| 03/10/2011 | DE102005055415B4 Schaltungsanordnung mit einer Gatetreiberschaltung für einen Leistungstransistor Circuit arrangement with a gate drive circuit for a power transistor |
| 03/10/2011 | DE10021944B4 Geschaltetes nichtdispersives IR-Erfassungssystem Switched non-dispersive infrared detection system |
| 03/09/2011 | EP2293438A1 A switching amplifier |
| 03/09/2011 | EP2293437A2 A method for providing wideband ESD protection and circuits obtained therewith |
| 03/09/2011 | EP2293435A1 Power amplifier, base station and method for power amplification of an RF signal in a communication network |
| 03/09/2011 | EP2291709A1 High sensitivity optical receiver employing a high gain amplifier and an equalizing circuit |
| 03/09/2011 | CN1976023B Output match transistor |
| 03/09/2011 | CN1792030B 噪声发生器 Noise Generator |
| 03/09/2011 | CN101984555A Parametric array audio play system |
| 03/09/2011 | CN101420204B 低噪声放大器电路 Low noise amplifier circuit |
| 03/08/2011 | US7904108 Double transformer balun for maximum power amplifier power |
| 03/08/2011 | US7904037 Adaptive radio transceiver with offset PLL with subsampling mixers |
| 03/08/2011 | US7904036 Modulation method and apparatus |
| 03/08/2011 | US7903823 Apparatus and method for effecting sound stage expansion |
| 03/08/2011 | US7903150 Differential amplifier circuit used in solid-state image pickup apparatus, and arrangement that avoids influence of variations of integrated circuits in manufacture and the like |
| 03/08/2011 | US7902924 Current-controlled CMOS (C3MOS) fully differential integrated wideband amplifier/equalizer with adjustable gain and frequency response without additional power or loading |
| 03/08/2011 | US7902923 Common-gate common-source amplifier |
| 03/08/2011 | US7902921 Output networks in combination with LINC technique |
| 03/08/2011 | US7902920 Amplifier circuit, integrated circuit and radio frequency communication unit |
| 03/08/2011 | US7902900 Limiting amplifiers |
| 03/08/2011 | US7902799 Switching power supply device and semiconductor integrated circuit |
| 03/03/2011 | WO2011025048A2 Sensor device |
| 03/03/2011 | WO2011024598A1 Electrical power amplifier circuit, and transmission device and communication device using the same |
| 03/03/2011 | WO2011023534A1 Dual rf channel linearizer channel amplification device, and telecommunication satellite comprising said device |
| 03/03/2011 | WO2011023026A1 Power amplifier and receiver in user device |
| 03/03/2011 | WO2010145837A3 Common mode voltage control |
| 03/03/2011 | WO2010129065A3 Variable gain amplifier |
| 03/03/2011 | WO2010018528A9 Arrangement for calibrating the quiescent operating point of a push-pull amplifier |
| 03/03/2011 | US20110051842 Efficient linear linc power amplifier |
| 03/03/2011 | US20110050349 Boosted-rail amplifier |
| 03/03/2011 | US20110050348 Radio frequency power amplifier |
| 03/03/2011 | US20110050345 Linearization Circuits and Methods for Power Amplification |
| 03/03/2011 | US20110050344 Output stage for a digital rf transmitter, method for providing an rf output signal in a digital rf transmitter, and digital rf transmitter |
| 03/03/2011 | US20110050343 Bias circuit and amplifier providing constant output current for a range of common mode inputs |
| 03/03/2011 | US20110050342 Push-pull amplifier circuit and operational amplifier circuit using the same |
| 03/03/2011 | US20110050341 High speed rail to rail phase splitter for providing a symmetrical differential output signal having low skew |
| 03/03/2011 | US20110050338 Modulated Triangular Wave Amplifier |
| 03/03/2011 | US20110050284 Sense amplifier circuit and related configuration and operation methods |
| 03/03/2011 | US20110049334 Optical module |
| 03/03/2011 | DE102010029835A1 Phasen-Reserven-Veränderung bei Transkonduktanzoperations-Verstärkern Phase-change in reserves Transkonduktanzoperations amplifiers |
| 03/03/2011 | DE10158791B4 Hochfrequenzverstärker und Funkübertragungsvorrichtung High-frequency amplifier and radio communication apparatus |
| 03/03/2011 | CA2771932A1 Dual rf channel linearizer channel amplification device, and telecommunication satellite comprising said device |
| 03/02/2011 | EP2290814A1 Amplifier for controlling gain and optical module |
| 03/02/2011 | EP2290812A1 Concept, method and apparatus of improved distortion switched-mode amplifier |
| 03/02/2011 | EP1755214B1 RF power amplifier for wireless communication apparatus |
| 03/02/2011 | EP1619792B1 Preamplifier |
| 03/02/2011 | CN101983479A Matched integrated electronic components |
| 03/01/2011 | US7899339 High-sensitivity, high-resolution detector devices and arrays |
| 03/01/2011 | US7899196 Digital microphone |
| 03/01/2011 | US7898555 Display apparatus and driving device for displaying |
| 03/01/2011 | US7898346 Power supply apparatus and high-frequency circuit system |
| 03/01/2011 | US7898341 Non-inverting amplifier circuit and optical switch driver circuit |
| 03/01/2011 | US7898340 Method and system for amplifying a signal using a transformer matched transistor |
| 03/01/2011 | US7898339 Amplifier circuit |
| 03/01/2011 | US7898338 High power integrated RF amplifier |
| 03/01/2011 | US7898336 Ground skimming output stage |
| 03/01/2011 | US7898333 Operational amplifier |
| 03/01/2011 | US7898332 Semiconductor integrated circuit device |
| 03/01/2011 | US7898331 Increasing the common mode range of a circuit |
| 03/01/2011 | US7898330 Class AB amplifier systems |
| 03/01/2011 | US7898329 Common-mode robust high-linearity analog switch |