| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 06/21/2012 | US20120154050 Circuit with reference source to control the small signal transconductance of an amplifier transistor |
| 06/21/2012 | US20120154049 Common-Mode Feedback Circuit |
| 06/21/2012 | US20120154048 Amplifier common-mode control methods |
| 06/21/2012 | US20120154047 Low-noise amplifier |
| 06/21/2012 | US20120154046 Sense amplifier structure for a semiconductor integrated circuit device |
| 06/21/2012 | US20120154045 Push-pull low noise amplifier with variable gain, push-pull low noise amplifier with common gate bias circuit and amplifier with auxiliary matching |
| 06/21/2012 | US20120154044 Class-D Amplifier Circuit |
| 06/21/2012 | US20120154043 High-frequency power amplifier device |
| 06/21/2012 | US20120154034 Doherty amplifier system and transmitter using the same |
| 06/21/2012 | US20120154033 Amplifying apparatus and distortion compensation method |
| 06/21/2012 | US20120152089 Amplifier with selectable master control |
| 06/21/2012 | DE19959646B4 Spannungs-Strom-Wandlungsschaltung und Verfahren zum Betreiben einer Spannungs-Strom-Wandlungsschaltung Voltage-current conversion circuit and method of operating a voltage-current conversion circuit |
| 06/21/2012 | DE102011122077A1 Output stage circuit, has controlling transistor component whose output potential is formed as output voltage provided with voltage offset for increasing control stroke of output voltage-driven component with extreme output voltages |
| 06/21/2012 | DE102010054897A1 Verstärkerschaltung für eine Zwei-Draht-Schnittstelle Amplifier circuit for a two-wire interface |
| 06/21/2012 | DE102009003891B4 Transformator mit einer primären Wicklung mit mehreren Segmenten und einer sekundären Wicklung mit mehreren Windungen für ein Leistungsverstärkersystem und Verfahren hierfür Transformer having a primary winding with a plurality of segments and a secondary winding having a plurality of turns on a power amplifier system and method thereof |
| 06/21/2012 | DE102006017520B4 Verfahren zum Erzeugen eines Modulatoreingangssignals, digitaler Vormodulator und Modulatorsystem A method for producing a modulator input signal, preliminary modulator and digital modulator system |
| 06/20/2012 | EP2466748A1 High-frequency power amplifier device |
| 06/20/2012 | EP2466747A2 High Efficiency Switch-Mode Power Amplifier |
| 06/20/2012 | EP2466746A1 Low noise amplifier |
| 06/20/2012 | EP2466745A1 Amplifier common-mode control methods |
| 06/20/2012 | EP2465198A1 Amplifier with variable matching circuit to improve linearity |
| 06/20/2012 | CN202282762U 一种低功耗宽带低噪声放大器 A low-power wideband low-noise amplifier |
| 06/20/2012 | CN1960169B Amplifiers with compensation |
| 06/20/2012 | CN102510297A Power amplification module, multi-mode radio frequency transceiver, duplexer and multi-mode terminal |
| 06/20/2012 | CN102510274A PWM frequency control method for class-D power amplifiers and device adopting same |
| 06/20/2012 | CN102510267A Second-level operational amplifier circuit |
| 06/20/2012 | CN102509840A High-isolation radial power synthesis amplifier with broadband air micro-strips |
| 06/20/2012 | CN102509836A Resistor diaphragm waveguide traveling wave power synthesis amplifier |
| 06/20/2012 | CN101447794B Radio frequency transmitter and method for amplifying input signal therein |
| 06/20/2012 | CN101188408B Amplifier device |
| 06/20/2012 | CN101056093B Variable gain amplifier |
| 06/19/2012 | US8204471 Wireless communication system |
| 06/19/2012 | US8203387 Circuit providing compensated power for sense amplifier and driving method thereof |
| 06/19/2012 | US8203386 Reconfigurable outphasing Chireix amplifiers and methods |
| 06/19/2012 | US8203385 Input stage for an amplifier |
| 06/19/2012 | US8203384 Amplifier |
| 06/19/2012 | US8203383 Reducing the effect of bulk leakage currents |
| 06/19/2012 | US8203382 Amplifier circuitry |
| 06/19/2012 | US8203111 CMOS image sensor pixel with an NMOS charge amplifier |
| 06/19/2012 | CA2503826C Power management for spatial power combiners |
| 06/14/2012 | WO2012079090A2 Fast power up comparator |
| 06/14/2012 | WO2012079031A1 Pseudo-envelope follower power management system with high frequency ripple current compensation |
| 06/14/2012 | WO2012077931A2 Digital audio amplification device using harmonics and method thereof |
| 06/14/2012 | WO2012076924A1 Rf amplifier circuit and electronic system comprising such a circuit |
| 06/14/2012 | WO2012076522A1 Power amplifier for radio-frequency applications in the switch mode |
| 06/14/2012 | WO2012053992A4 Current source with active common mode rejection |
| 06/14/2012 | WO2012050941A3 Systems and methods for high-sensitivity detection of input bias current |
| 06/14/2012 | WO2012033731A3 Power amplifier with transistor input mismatching |
| 06/14/2012 | WO2011101226A3 High-frequency supply of a load without impedance matching |
| 06/14/2012 | US20120149316 Radio frequency power amplifier with linearizing predistorter |
| 06/14/2012 | US20120149315 Detector Device, and Amplification Device, Transmission Device, and Communication Device Using the Detector Device |
| 06/14/2012 | US20120146734 Apparatus and methods for biasing a power amplifier |
| 06/14/2012 | US20120146733 Power amplifier |
| 06/14/2012 | US20120146732 Doherty amplifier |
| 06/14/2012 | US20120146731 Apparatus and methods for capacitive load reduction |
| 06/14/2012 | US20120146728 Compound semiconductor device and method of manufacturing the same |
| 06/14/2012 | US20120146727 Fast power up comparator |
| 06/14/2012 | US20120146726 Circuit and method for sensing a capacitance |
| 06/14/2012 | US20120146725 Gated class h amplifier/line driver system and method |
| 06/14/2012 | US20120146724 Low-noise amplifier |
| 06/14/2012 | US20120146721 Voltage detection circuit |
| 06/14/2012 | US20120146720 Adaptive amplification circuit |
| 06/14/2012 | US20120146599 Comparator, control circuit of switching regulator using the same, switching regulator, and electronic equipment |
| 06/14/2012 | DE19947816B4 Kaskode-Stromquelle niedriger Spannung Cascode current low voltage source |
| 06/13/2012 | EP2464005A1 Differential amplifier for asymmetric / symmetric conversion |
| 06/13/2012 | EP2462693A1 Multi-stage impedance matching |
| 06/13/2012 | EP2462692A1 Distributed amplifier for band pass radio front-end |
| 06/13/2012 | EP2462691A1 Amplifier module with multiple operating modes |
| 06/13/2012 | EP1500190B1 Electronic amplifier circuit |
| 06/13/2012 | CN202276321U 一种学习机的功放电路 A learning machine amplifier circuit |
| 06/13/2012 | CN202276320U 动态供电及动态甲类功放 Dynamic power amplifier and dynamic Group |
| 06/13/2012 | CN202276319U 数字音频功放供电电路 Digital audio amplifier power supply circuit |
| 06/13/2012 | CN1980027B Switching regulator |
| 06/13/2012 | CN1805615B Integrate three-pole and three-voice coil loudspeaker and its power amplifier and control circuit |
| 06/13/2012 | CN102498662A Method and arrangement in a mobile communication system |
| 06/13/2012 | CN102498661A Method and arrangement in a mobile communications system |
| 06/13/2012 | CN102498613A Microwave harmonic processing circuit |
| 06/13/2012 | CN102497169A Gain self-correction circuit and optical fiber transimpedance amplifier with same |
| 06/13/2012 | CN102497167A Radio-frequency ultra-wideband low-noise amplifier based on inductance compensation |
| 06/13/2012 | CN101404482B Amplifier |
| 06/12/2012 | USRE43461 Systems and methods for load detection and correction in a digital amplifier |
| 06/12/2012 | US8200325 Micropower neural amplifier with adaptive input-referred noise |
| 06/12/2012 | US8199936 Signal converter, output amplifying device, audio apparatus, and transmitting and receiving system |
| 06/12/2012 | US8198941 Amplifier circuit and method of amplifying a signal in an amplifier circuit |
| 06/12/2012 | US8198938 Broadband power amplifier |
| 06/12/2012 | US8198577 High dynamic range analog X-ray photon counting |
| 06/07/2012 | WO2012075047A1 Bias point setting for third order linearity optimization of class a amplifier |
| 06/07/2012 | WO2012074133A1 Power supply circuit and power supply control method |
| 06/07/2012 | WO2012072726A1 Integrated driver and related method |
| 06/07/2012 | WO2012036496A3 Charge sensing amplifier circuit for compensating for dc leakage current, and x-ray readout integrated circuit and x-ray sensor using same |
| 06/07/2012 | US20120140575 Process tolerant large-swing sense amplfier with latching capability |
| 06/07/2012 | US20120139646 Circuit for an Amplifier |
| 06/07/2012 | US20120139645 Apparatus and Method for Sensing and Converting Radio Frequency to Direct Current |
| 06/07/2012 | US20120139644 Dual use transistor |
| 06/07/2012 | US20120139643 Output Stage of a Power Amplifier Having a Switched-Bulk Biasing and Adaptive Biasing |
| 06/07/2012 | US20120139642 Bias Point Setting for Third Order Linearity Optimization of Class A Amplifier |
| 06/07/2012 | US20120139641 Apparatus and methods for capacitive load reduction |
| 06/07/2012 | US20120139640 Bond wire transformer |
| 06/07/2012 | US20120139638 Methods and Circuits for Controlling Amplifier Gain Over Process, Voltage, and Temperature |
| 06/07/2012 | US20120139636 Power Amplifier System with a Current Bias Signal Path |