| Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272) |
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| 09/23/2010 | DE102004062135B4 Verstärkerschaltung Amplifier circuit |
| 09/22/2010 | EP2230760A2 Wireless apparatus and distortion compensation method used on time division duplex system |
| 09/22/2010 | EP2230759A1 Amplifying device and transmitter apparatus |
| 09/22/2010 | EP2230758A1 Power amplifying device and power amplifying method |
| 09/22/2010 | EP2229726A1 Transmitter comprising a pulse width pulse position modulator and method thereof |
| 09/22/2010 | EP2229725A2 Automatic power source configuration |
| 09/22/2010 | EP1829206B1 Generation of modulated radio frequency signals |
| 09/22/2010 | EP1709731B1 Electronic circuit |
| 09/22/2010 | CN201590807U Power amplifier with playing function of MP3 (Moving Picture Experts Group Audio Layer-3) |
| 09/22/2010 | CN201590805U Low noise amplifier and radio-frequency signal receiver |
| 09/22/2010 | CN201590804U Audio-frequency amplifier circuit with noise suppression |
| 09/22/2010 | CN1956523B Device and method for removing noise of TV set off |
| 09/22/2010 | CN101842977A Automatic power source configuration |
| 09/22/2010 | CN101841308A Structure of high performance operational amplifier |
| 09/22/2010 | CN101841305A Power amplifying device and power amplifying method |
| 09/22/2010 | CN101841304A Power amplification device with linear corrector |
| 09/22/2010 | CN101841303A Predistortion estimation method based on polynomial |
| 09/22/2010 | CN101841302A Effective order estimator for predistorter |
| 09/22/2010 | CN101840673A Amplifier and source driver applying same |
| 09/22/2010 | CN101228689B Highly efficient amplifier |
| 09/22/2010 | CN101069342B Method and system for determining the amplitude and/or phase of the output signal of a transmission link as a function of the amplitude of the input signal |
| 09/21/2010 | USRE41728 High linearity, low power voltage controlled resistor |
| 09/21/2010 | US7800443 Circuit arrangement for providing an analog signal, and electronic apparatus |
| 09/21/2010 | US7800441 Feedback amplifier and audio system thererof |
| 09/21/2010 | US7800438 Bypass device for microwave amplifier unit |
| 09/21/2010 | CA2483107C Rf power amplifier employing bias circuit topologies for minimization of rf amplifier memory effects |
| 09/16/2010 | WO2010104781A1 Detection of data in signals with data pattern dependent signal distortion |
| 09/16/2010 | WO2010103598A1 Bias circuit and signal processing circuit provided with same |
| 09/16/2010 | WO2010102441A1 Method and apparatus for linearizing a non-linear power amplifier |
| 09/16/2010 | WO2010102439A1 A digital predistortion circuit with extended operating range and a method thereof |
| 09/16/2010 | WO2010065243A3 Hybrid power control for a power amplifier |
| 09/16/2010 | US20100231296 Radio Frequency Power Delivery System |
| 09/16/2010 | US20100231295 Electronic circuit |
| 09/16/2010 | DE112007001528T5 Verstärkerschaltung mit über Kreuz gekoppelten Kaskoden-Transistoren Amplifier circuit having cross-coupled cascode transistors |
| 09/15/2010 | EP2228900A2 Phase correcting apparatus and distortion compensating apparatus for radio transmitter |
| 09/15/2010 | EP2227860A1 Load modulation arrangement |
| 09/15/2010 | EP2227858A1 High-linearity complementary amplifier |
| 09/15/2010 | EP2041867B1 Amplifier employing interleaved signals for pwm ripple suppression |
| 09/15/2010 | EP1518342B1 Satellite travelling-wave tube amplifier on-line non-linearity measurement |
| 09/15/2010 | CN201583946U Multimedia power amplifier equipment |
| 09/15/2010 | CN101836357A Power amplifier |
| 09/15/2010 | CN101834576A Multimode tunable CMOS (Complementary Metal Oxide Semiconductor) differential low noise amplifier |
| 09/15/2010 | CN101834573A Class-D amplifier |
| 09/15/2010 | CN101834571A Efficient linear power amplifier circuit |
| 09/15/2010 | CN101834570A Signal amplification circuit of sender |
| 09/15/2010 | CN101834569A Through type high-definition power amplifying circuit of sound system |
| 09/15/2010 | CN101834568A Gain compensation device and method as well as mobile communication amplification system |
| 09/15/2010 | CN101834567A Broadband gain adjustable low-noise amplifier |
| 09/15/2010 | CN101834566A Low noise amplifier and over distortion method based on same |
| 09/15/2010 | CN101834565A Signal amplifying circuit and signal amplifying method |
| 09/14/2010 | US7796970 Integrated low noise amplifier |
| 09/14/2010 | US7796959 Data processing method, transmitter, device, network element and base station |
| 09/14/2010 | US7796687 Enhanced reconditioning equalizer filter chain for multi-carrier signals with different technologies |
| 09/14/2010 | US7795980 Power amplifiers having improved protection against avalanche current |
| 09/14/2010 | US7795969 Digital amplifier |
| 09/14/2010 | US7795961 Offset cancellation circuit and display device |
| 09/14/2010 | US7795960 Low power, low noise amplifier system |
| 09/14/2010 | US7795959 Switched-capacitor circuit having switch-less feedback path |
| 09/14/2010 | US7795958 Minimizing changes in common mode voltage at inputs of an operational amplifier used in a switched capacitor differential amplifier |
| 09/14/2010 | CA2459545C Method and apparatus for providing a supply voltage based on an envelope of a radio frequency signal |
| 09/10/2010 | WO2010102211A1 Multi-path, multi-oxide-thickness amplifier circuit |
| 09/10/2010 | WO2010101719A2 Amplifier system for cell sites and other suitable applications |
| 09/10/2010 | WO2010100741A1 Optical communication apparatus |
| 09/10/2010 | WO2010100016A1 Method for amplifying a signal by a power amplifier, power amplifier system, device, computer program product, and digital storage medium thereof |
| 09/10/2010 | WO2010071310A3 Method and apparatus for enhancing performance of doherty power amplifier |
| 09/09/2010 | US20100227599 Amplifer system for cell sites and other suitable applications |
| 09/09/2010 | US20100225395 Input Buffer With Impedance Cancellation |
| 09/09/2010 | US20100225390 Resource Efficient Adaptive Digital Pre-Distortion System |
| 09/09/2010 | US20100225389 High efficiency rf system linearizer using controlled complex nonlinear distortion generators |
| 09/09/2010 | DE102009003582A1 Audio tube amplifier has amplifier tube provided with output that is connected with output transformer, which has primary winding and an output winding |
| 09/08/2010 | EP2226984A2 Distortion compensation apparatus and method |
| 09/08/2010 | EP2226933A1 Sensor circuit |
| 09/08/2010 | EP2226932A1 Method for amplifying a signal by a power amplifier, power amplifier system, device, computer program product, and digital storage medium thereof |
| 09/08/2010 | EP1800395B1 Dual bias control circuit |
| 09/08/2010 | CN201577069U Low power consumption operational amplifier |
| 09/08/2010 | CN201577065U Operational amplifier with low imbalance and low noise |
| 09/08/2010 | CN1841923B Low noise amplifier and differential amplifier with variable gain mode |
| 09/08/2010 | CN101828333A Amplifier circuit and method of amplifying a signal in an amplifier circuit |
| 09/08/2010 | CN101826846A Half-bridge 3-level pulse-width modulation amplifier, audio apparatus and driving method of the PWM amplifier |
| 09/08/2010 | CN101826843A Variable gain amplifier for linearity optimization at low gain |
| 09/08/2010 | CN101413969B Signal conditioning circuit for high precision measuring uV level voltage |
| 09/08/2010 | CN101373954B Method for amplifying voltage signal and operational amplifier |
| 09/08/2010 | CN101373952B Low noise amplifier capable of implementing differential amplification and method thereof |
| 09/08/2010 | CN101286963B Wideband adaptive digital predistortion engine apparatus based on programmable device |
| 09/08/2010 | CN101026359B Operational amplifier |
| 09/07/2010 | US7792493 Transmitter and a method of calibrating power in signals output from a transmitter |
| 09/07/2010 | US7791413 Linearizing technique for power amplifiers |
| 09/07/2010 | US7791411 Amplifier arrangement and method for amplifying a signal |
| 09/07/2010 | US7791410 Method and system for FET-based amplifier circuits |
| 09/02/2010 | WO2010099448A2 Logic based on the evolution of nonlinear dynamical systems |
| 09/02/2010 | WO2010099442A2 Reconfigurable and reliable logic circuit elements that exploit nonlinearity and noise |
| 09/02/2010 | WO2010099349A1 Low dissipation amplifier |
| 09/02/2010 | WO2010097845A1 Amplification device and sensor module |
| 09/02/2010 | WO2010097715A1 Method and apparatus for maintaining circuit stability |
| 09/02/2010 | WO2010097324A1 Power amplification for fragmented transceiver systems |
| 09/02/2010 | US20100219890 Low noise amplifier |
| 09/02/2010 | US20100219889 Distortion compensation apparatus and method |
| 09/02/2010 | CA2753575A1 Low dissipation amplifier |
| 09/01/2010 | EP2224609A1 Improving the efficiency of power amplifiers in devices using transmit beamforming |
| 09/01/2010 | EP2224590A1 Power amplification for fragmented transceiver systems |