| Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272) |
|---|
| 02/28/2007 | CN1302619C Amplifier for alternating signal overlapped on continuous signals and its amplifying method |
| 02/28/2007 | CN1302618C Differential amplifying circuit and semiconductor integrated circuit for driving liquid crystal display device |
| 02/28/2007 | CN1302616C Communication system and arrangements comprising such a communication system |
| 02/28/2007 | CN1302615C Multistage amplifier |
| 02/27/2007 | US7184736 Apparatus and method for dynamic DC offset detection and cancellation using high pass filter with variable impedance and corner frequency |
| 02/27/2007 | US7184561 Electronic apparatus having audio output units |
| 02/27/2007 | US7184491 Wireless communication apparatus |
| 02/27/2007 | US7184490 Low power distributed transmitter |
| 02/27/2007 | US7183859 Power supply rejection for high bandwidth transimpedance amplifier circuits (TIAs) |
| 02/27/2007 | US7183856 Power source circuit for high frequency power amplifying circuit and semiconductor integrated circuit for power source and electronics component for power source |
| 02/27/2007 | US7183853 Feedback amplifier having amplified signal path and feedback signal path separated |
| 02/27/2007 | US7183850 Switchable operational amplifier circuit |
| 02/27/2007 | US7183847 Multi-band look-up table type predistorter |
| 02/27/2007 | US7183842 Optimum composite cascode amplifier |
| 02/27/2007 | US7183841 Power amplifier arrangement, and a method for amplification of a signal |
| 02/22/2007 | WO2007020404A1 Feedback controller for pwm amplifier |
| 02/22/2007 | WO2006034497A3 Blind signal separation using i and q components |
| 02/22/2007 | WO2005101649A3 Direct current offset correction systems and methods |
| 02/22/2007 | WO2005060489A3 Linearized trans-impedance amplifier |
| 02/22/2007 | US20070040611 Protection circuit of digital amplifier |
| 02/22/2007 | US20070040609 Low noise amplifier |
| 02/22/2007 | US20070040608 Feedback controller for PWM amplifier |
| 02/22/2007 | US20070040607 Switched capacitor amplifier with higher gain and improved closed-loop gain accuracy |
| 02/22/2007 | DE10241350B4 Verstärkerschaltung Amplifier circuit |
| 02/22/2007 | DE102006028621A1 Variabler Verzerrungsbegrenzer unter Verwendung einer Vorausberechnungseinrichtung zur Beschneidungserfassung Variable distortion limiter using a prediction clip detect |
| 02/21/2007 | EP1755302A2 Distortion compensation in wireless digital transmitters |
| 02/21/2007 | EP1755215A2 Amplifier circuit improved in linearity and frequency band |
| 02/21/2007 | EP1755214A1 RF power amplifier for wireless communication apparatus |
| 02/21/2007 | EP1754356A2 Fully digital transmitter including a digital band-pass sigma-delta modulator |
| 02/21/2007 | CN1918797A Control of a power amplifier for reducing power consumption in a transceiver |
| 02/21/2007 | CN1918790A Radio frequency low noise amplifier with automatic gain control |
| 02/21/2007 | CN1918788A Power supply rejection for pulse width modulated amplifiers and automatic gain control |
| 02/21/2007 | CN1918787A Load-invariant amplifier |
| 02/21/2007 | CN1918786A Cascode cmos RF power amplifier with isolated trnasistors |
| 02/21/2007 | CN1918785A Power amplifier with digital power control and associated methods |
| 02/21/2007 | CN1918784A Dynamically biased amplifier |
| 02/21/2007 | CN1917363A Current-controlled complementary metal oxide semiconductor wideband data amplifier circuit |
| 02/21/2007 | CN1917362A Current-controlled cmos wideband amplifier/equalizer circuit |
| 02/21/2007 | CN1301589C Distortion compensation circuit |
| 02/20/2007 | US7180939 Active filter circuit with dynamically modifiable internal gain |
| 02/20/2007 | US7180368 Distortion compensation circuit, distortion compensation signal generating method, and power amplifier |
| 02/20/2007 | US7180366 Data signal amplifier and processor with multiple signal gains for increased dynamic signal range |
| 02/20/2007 | US7180354 Receiver having full signal path differential offset cancellation capabilities |
| 02/15/2007 | WO2007018598A1 Power supply control for a amplifier in wireless modem devices |
| 02/15/2007 | WO2007017926A1 Semiconductor device and control method thereof |
| 02/15/2007 | WO2007016967A1 Loop gain equalizer for rf power amplifier |
| 02/15/2007 | WO2006123289A3 Integrated doherty type amplifier arrangement with high power efficiency |
| 02/15/2007 | US20070037544 Integrated RF circuits |
| 02/15/2007 | US20070037532 Radio frequency excitation arrangement including a limiting circuit |
| 02/15/2007 | US20070036375 Output stage for a hearing aid and method of driving output stage |
| 02/15/2007 | DE102005038442A1 Gegentaktverstärker mit transformatorischer Gegenkopplung Push-pull amplifier with transformer feedback |
| 02/14/2007 | EP1753145A2 Method and device for predistorting a base band input signal |
| 02/14/2007 | EP1753144A2 Address generating device and method of generating address |
| 02/14/2007 | EP1753128A2 Amplifying circuit having bias voltage setting unit |
| 02/14/2007 | EP1753127A1 Zero cancellation in multiloop regulator control scheme |
| 02/14/2007 | EP1751943A1 A transmitter and a method of operating a transmitter |
| 02/14/2007 | EP1751856A2 Multi-channel pulse modulator system |
| 02/14/2007 | EP1751855A1 Pulse width modulator system |
| 02/14/2007 | EP1751853A1 A tuneable circuit for canceling third order modulation |
| 02/14/2007 | EP1751852A1 Adaptation of iq-error compensation |
| 02/14/2007 | EP1751851A1 Adaptive predistortion method and arrangement |
| 02/14/2007 | EP1751850A1 Plop noise avoidance for an amplifier |
| 02/14/2007 | CN1914951A Output stage for a hearing aid and method of driving output stage |
| 02/14/2007 | CN1914795A 可变增益电路 Variable gain circuit |
| 02/14/2007 | CN1914793A Electric circuit |
| 02/14/2007 | CN1914792A 调整电路 Adjustment circuit |
| 02/14/2007 | CN1914791A Single chip power amplifier and envelope modulator |
| 02/14/2007 | CN1913344A Methods and apparatus for reducing output current oscillations of a driver |
| 02/14/2007 | CN1913343A RF fundamental neutralizing circuit of adapting to power |
| 02/14/2007 | CN1300937C Circuit for low noise, fully differential amplification |
| 02/14/2007 | CN1300935C Method and circuit for control of feedforward distortion compensation amplifier |
| 02/14/2007 | CN1300934C Energy gap reference circuit |
| 02/13/2007 | US7177782 Methods and arrangements for capturing runtime information |
| 02/13/2007 | US7177612 Frequency generator and communication system using the same |
| 02/13/2007 | US7177607 Controlling transmission mode on basis of power in preceding time slot |
| 02/13/2007 | US7177605 Power amplification device, in particular for a cellular mobile telephone |
| 02/13/2007 | US7176757 Multistage amplifying devices, and reception device and transmission device using the same |
| 02/13/2007 | US7176756 Inductor element containing circuit board and power amplifier module |
| 02/08/2007 | WO2007016552A1 Amplifier with active post-distortion linearization |
| 02/08/2007 | WO2007016045A1 Distributed transistor structure for high linearity active catv power splitter |
| 02/08/2007 | WO2007015462A1 Highly efficient amplifier |
| 02/08/2007 | WO2007015287A1 Audio power amplifier apparatus |
| 02/08/2007 | WO2007014982A1 Method of controlling linearity in communications system, terminal device, and receiver |
| 02/08/2007 | WO2007014572A1 Amplifier circuit with adjustable amplification |
| 02/08/2007 | US20070032216 Low noise amplifier (LNA) gain switch circuit |
| 02/08/2007 | US20070030561 Relay amplifier |
| 02/08/2007 | US20070030093 Broadband coupler technique for electrical connection to power lines |
| 02/08/2007 | US20070030077 Use of a thick oxide device as a cascode for a thin oxide transconductance device in mosfet technology and its application to a power amplifier design |
| 02/08/2007 | US20070030076 Amplifier with active post-distortion linearization |
| 02/08/2007 | US20070030074 Zero cancellation in multiloop regulator control scheme |
| 02/08/2007 | US20070030073 High frequency power amplifier circuit and radio communication system |
| 02/08/2007 | US20070030065 Data processing method, pre-distortion arrangement, transmitter, network element and base station |
| 02/08/2007 | US20070030063 Amplifier circuit |
| 02/08/2007 | US20070030059 Technique to improve the gain and signal to noise ratio in CMOS switched capacitor amplifiers |
| 02/08/2007 | DE112004002745T5 Temperaturkompensierte Schaltung für Leistungsverstärker unter Verwendung einer Diodenspannungssteuerung Temperature compensated circuit for power amplifier using a diode voltage control |
| 02/08/2007 | DE10333552B4 Integrierte Leistungsverstärkerschaltung Power amplifier integrated circuit |
| 02/08/2007 | DE102005037013A1 Detection method for conditions outside instrument range of CMOS or BiCMOS amplifier circuit involves monitoring if voltage at output of differential amplifier crosses or falls below predetermined limit value |
| 02/08/2007 | DE102005035150A1 Verstärkerschaltung und Verfahren zum Verstärken eines zu verstärkenden Signals Amplifier circuit and method for amplifying a signal to be amplified |
| 02/07/2007 | EP1750411A1 Electromagnetic wave transmitter systems, methods and articles of manufacture |
| 02/07/2007 | EP1750369A1 Temerature compensation attenuator |