| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 02/02/2010 | US7656233 Apparatus for high power amplifier in wireless communication system |
| 02/02/2010 | US7656231 High bandwidth apparatus and method for generating differential signals |
| 02/02/2010 | US7656230 Quadrature output low noise transconductance amplifier having differential input |
| 02/02/2010 | US7656229 Method and apparatus for reducing intermodulation distortion in an electronic device having an amplifier circuit |
| 02/02/2010 | US7656228 Matching circuit and multi-band amplifier |
| 02/02/2010 | US7656219 Unity gain voltage buffer with dual supply voltage for managing current consumption in low voltage applications |
| 01/28/2010 | WO2010011636A1 Switching power amplifier for quantized signals |
| 01/28/2010 | WO2010010525A1 Vswr compensation circuits for rf transmit chain |
| 01/28/2010 | US20100022198 High frequency amplifier circuit and mobile communication terminal using the same |
| 01/28/2010 | US20100020899 Method and apparatus for improving digital predistortion correction with amplifier device biasing |
| 01/28/2010 | US20100019946 Amplifier networks with controlled common-mode level and converter systems for use therewith |
| 01/28/2010 | US20100019853 Amplification stage |
| 01/28/2010 | US20100019852 Bias Circuit with a Feedback Path and a Method for Providing a Biasing Signal |
| 01/28/2010 | US20100019851 Modified distributed amplifier to improve low frequency efficiency and noise figure |
| 01/28/2010 | US20100019850 Gallium nitride material transistors and methods associated with the same |
| 01/28/2010 | US20100019849 Rf pre-amplifiers and power amplifiers |
| 01/28/2010 | US20100019848 Complementary Low Noise Transductor with Active Single Ended to Differential Signal Conversion |
| 01/28/2010 | US20100019847 Amplifier employing interleaved signals for pwm ripple suppression |
| 01/28/2010 | US20100019846 Amplifier employing interleaved signals for pwm ripple supression |
| 01/28/2010 | US20100019845 Switching power amplifier for quantized signals |
| 01/28/2010 | US20100019843 Method For Controlling A Linear Amplifier And Power Amplifier Arrangement |
| 01/28/2010 | US20100019804 Array sense amplifiers, memory devices and systems including same, and methods of operation |
| 01/28/2010 | US20100019350 Resonant operating mode for a transistor |
| 01/28/2010 | US20100019132 Optical receiver |
| 01/28/2010 | US20100019131 Photodetector amplifier circuit |
| 01/28/2010 | US20100019127 Solid-State Image Sensor and Signal Readout Method Thereof |
| 01/28/2010 | DE10066032B4 Schaltungsanordnung zur Steuerung der Verstärkung einer Verstärkerschaltung Circuit arrangement for controlling the gain of an amplifier circuit |
| 01/27/2010 | EP2148433A1 Wide-range low-noise amplifier |
| 01/27/2010 | EP2147501A1 Differential amplifier with active post-distortion linearization |
| 01/27/2010 | CN201391968Y Communicating circuit of central air-conditioner |
| 01/27/2010 | CN201389342Y Large sounding toy |
| 01/27/2010 | CN101636903A Wideband digital single-to-differential converter and method of forming same |
| 01/27/2010 | CN101635560A High-speed two-stage calculation amplifier |
| 01/27/2010 | CN100586031C Transmitter and wireless communication apparatus |
| 01/27/2010 | CN100586026C Delta-Sigma modulation apparatus and signal amplication apparatus |
| 01/27/2010 | CN100586023C A switched capacitor circuit compensation apparatus and method |
| 01/27/2010 | CN100586009C Amplifier |
| 01/27/2010 | CN100586008C Switch amplifier and its modulation method |
| 01/27/2010 | CN100586007C Integrated amplifier arrangement |
| 01/26/2010 | US7653366 Hybrid switched mode/linear power amplifier power supply for use in polar transmitter |
| 01/26/2010 | US7653101 Excessive current input suppressing semiconductor laser light emitting circuit |
| 01/26/2010 | US7652610 Signal processing device and method, signal processing program, and recording medium where the program is recorded |
| 01/26/2010 | US7652539 Multi-stage broadband amplifiers |
| 01/26/2010 | US7652536 Amplifier circuit with internal zeros |
| 01/26/2010 | US7652535 Continuous time common mode feedback circuit, system, and method |
| 01/26/2010 | US7652534 Rail-to-rail operational amplifier capable of reducing current consumption |
| 01/26/2010 | US7652533 Operation amplifier for improving slew rate |
| 01/26/2010 | US7652530 Amplifier circuit and method of generating bias voltage in amplifier circuit |
| 01/26/2010 | US7652509 Differential input and output transconductance circuit |
| 01/26/2010 | US7652505 Level conversion circuit for converting voltage amplitude of signal |
| 01/26/2010 | US7652243 Amplification with feedback capacitance for photodetector signals |
| 01/21/2010 | WO2010008226A2 Switching power amplifier and method of controlling the same |
| 01/21/2010 | WO2010007721A1 Power amplifier, power amplifier nonlinear distortion correction method, and wireless communication device |
| 01/21/2010 | WO2010007177A1 Dual-loop feedback amplifying circuit |
| 01/21/2010 | WO2009146133A3 High-voltage impulse amplifier |
| 01/21/2010 | US20100014875 Optical receiver |
| 01/21/2010 | US20100013813 Display device |
| 01/21/2010 | US20100013562 Circuit with single-ended input and differential output |
| 01/21/2010 | US20100013561 Anti-pop circuits and methods for audio amplifiers using variable resistors |
| 01/21/2010 | US20100013560 System and method for reducing flicker noise from cmos amplifiers |
| 01/21/2010 | US20100013559 High frequency amplifying device |
| 01/21/2010 | US20100013558 Driving Circuit Capable of Enhancing Response Speed and Related Method |
| 01/21/2010 | US20100013557 Current-controlled CMOS (C3MOS) fully differential integrated wideband amplifier/equalizer with adjustable gain and frequency response without additional power or loading |
| 01/21/2010 | US20100013556 Transconductance amplifier |
| 01/21/2010 | US20100013555 Power amplifier |
| 01/21/2010 | US20100013554 Switching power amplifier and method of controlling the same |
| 01/21/2010 | DE102009033414A1 Schaltung mit einpoligem Eingang und differenziellem Ausgang With single-pole circuit input and differential output |
| 01/21/2010 | DE102009014145A1 Lichtintensitätsmessung in einer mikrolithographischen Projektionsbelichtungsanlage Light intensity measurement in a microlithography projection exposure apparatus |
| 01/20/2010 | EP2146446A1 Optical receiver |
| 01/20/2010 | EP2145386A1 Multiport amplifiers in communications satellites |
| 01/20/2010 | EP2145385A2 N-way doherty distributed power amplifier |
| 01/20/2010 | CN201388186Y Equal-amplitude amplifying circuit of high-speed data acquisition system used in ultrasonic testing |
| 01/20/2010 | CN101630944A Driving circuit capable of promoting response speed and related method thereof |
| 01/20/2010 | CN101630943A Operational amplifier |
| 01/20/2010 | CN101630044A Optical receiver |
| 01/20/2010 | CN100583655C Power limit device and digital radio transmitter using the same |
| 01/20/2010 | CN100583624C Calculation amplifier with wide work voltage scope in band gap circuit |
| 01/19/2010 | US7650132 Low noise amplifier (LNA) gain switch circuit |
| 01/19/2010 | US7649958 Transmit signal generator and method |
| 01/19/2010 | US7649559 Amplifier offset cancellation devices, systems, and methods |
| 01/19/2010 | US7649419 Device and method including current measurement and/or amplification |
| 01/19/2010 | US7649417 Apparatus and method for input stage and bias canceller for an audio operational amplifier |
| 01/19/2010 | US7649416 Load inductor sharing |
| 01/19/2010 | US7649415 Class L amplifier |
| 01/19/2010 | US7649414 Methods and apparatus to reduce substrate voltage bounces and spike voltages in switching amplifiers |
| 01/19/2010 | US7649412 High efficiency amplifier |
| 01/19/2010 | US7649410 Systems and methods for improving performance in a digital amplifier by adding an ultrasonic signal to an input audio signal |
| 01/15/2010 | CA2668528A1 Mobile wireless communications device with separate in-phase and quadrature power amplification |
| 01/14/2010 | WO2010006220A1 Instrumentation input systems |
| 01/14/2010 | WO2010006079A2 Method of achieving high selectivity in receiver rf front-ends |
| 01/14/2010 | WO2010005478A1 Method and apparatus for power converter for class d audio power amplifiers |
| 01/14/2010 | WO2010004445A1 Multiple-input and multiple-output amplifier having pseudo-differential inputs |
| 01/14/2010 | WO2010003865A1 Doherty amplifier with input network optimized for mmic |
| 01/14/2010 | WO2010003756A1 Audio amplifier and method for reconfiguring an audio amplifier |
| 01/14/2010 | WO2009139814A3 Modified distributed amplifier to improve low frequency efficiency and noise figure |
| 01/14/2010 | WO2009126007A3 Method of power amplifier predistortion adaptation using compression detection and circuit thereof |
| 01/14/2010 | US20100009639 Radio frequency unit analog level detector and feedback control system |
| 01/14/2010 | US20100007424 Method of achieving high selectivity in receiver rf front-ends |
| 01/14/2010 | US20100007423 Integrated power amplifier |
| 01/14/2010 | US20100007422 Amplifier circuit |