| 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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| 12/08/2010 | CN101908862A Transmitting device and method for determining target predistortion setting value |
| 12/08/2010 | CN101908861A Transmitter, method for lowering signal distortion, and method for generating predistortion parameters |
| 12/08/2010 | CN101908860A Gain compensation device over temperature and method thereof |
| 12/08/2010 | CN101908859A Power amplifier power supply method and device as well as electronic device |
| 12/08/2010 | CN101465618B Ultra-wideband low-noise amplifier with double input routes |
| 12/08/2010 | CN101350593B Circuit for suppressing POP noise |
| 12/08/2010 | CN101188406B Low frequency analog circuit |
| 12/08/2010 | CN101174390B Drift compensation signal generating devices and methods for peak clipper |
| 12/07/2010 | US7848403 Enhanced reconditioning equalizer filter chain for multi-carrier signals |
| 12/07/2010 | US7847631 Method and apparatus for performing predistortion |
| 12/07/2010 | US7847629 Sample-and-hold amplifiers |
| 12/07/2010 | US7847628 Chopper-stabilized instrumentation amplifier |
| 12/07/2010 | CA2395769C Digital automatic gain control with feedback induced noise suppression |
| 12/02/2010 | WO2010137405A1 High frequency module |
| 12/02/2010 | WO2010136862A1 Low noise amplifier and mixer |
| 12/02/2010 | WO2010136520A1 Anti-glitch system for audio amplifier |
| 12/02/2010 | WO2010136390A1 Transmitter phase shift determination and compensation |
| 12/02/2010 | WO2010136114A1 Digital predistorter for rf power amplifiers |
| 12/02/2010 | WO2009131440A8 Method and control circuit for controlling pulse width modulation |
| 12/02/2010 | US20100301946 Switchable Multiband LNA Design |
| 12/02/2010 | US20100301939 High frequency receiver preamplifier |
| 12/02/2010 | US20100301937 Output circuit |
| 12/02/2010 | US20100301936 Differential low frequency noise suppression technique for a common mode feedback circuit |
| 12/02/2010 | DE102010004314A1 Leistungsverstärker Power amplifier |
| 12/01/2010 | EP2113141B1 An amplification apparatus |
| 12/01/2010 | EP1499027B1 Distortion compensation apparatus |
| 12/01/2010 | CN101904093A High-speed, multi-stage class ab amplifiers |
| 12/01/2010 | CN101904092A Linearised power amplifier |
| 12/01/2010 | CN101904091A Low noise and low input capacitance differential MDS LNA |
| 12/01/2010 | CN101904090A Trans-impedance amplifier |
| 12/01/2010 | CN101904089A 3-way doherty amplifier with minimum output network |
| 12/01/2010 | CN101904088A Amplifier with dynamic bias |
| 12/01/2010 | CN101902418A Distortion compensation apparatus and method |
| 12/01/2010 | CN101902242A Radio-frequency front-end circuit with single-ended input differential output applied to ultra-wideband system |
| 12/01/2010 | CN101902233A Receiver |
| 12/01/2010 | CN101902207A Bias circuit, high-power amplifier, and portable information terminal |
| 12/01/2010 | CN101902204A Power supply method, power source device and base station radio frequency system for power amplification |
| 12/01/2010 | CN101902203A Negative capacitance synthesis for use with differential circuits |
| 12/01/2010 | CN101556296B Two-stage alignment bias-removing transresistance amplifier with ultra-low noise and ultra-high precision |
| 12/01/2010 | CN101272131B Amplifier circuit and method for amplifying signal |
| 12/01/2010 | CN101061632B A method and system of controlling a linear power amplifier |
| 12/01/2010 | CN101036288B Dual bias control circuit and its control method |
| 11/30/2010 | US7844412 System and method for performing processing in a testing system |
| 11/30/2010 | US7843513 Automatic adaptation of a video source to a receiver |
| 11/30/2010 | US7843261 Resistor network for programmable transconductance stage |
| 11/30/2010 | US7843038 High linearity digital variable gain amplifier |
| 11/25/2010 | WO2010135711A1 Adaptive parametric power amplifier protection circuit |
| 11/25/2010 | WO2010135710A1 Buffer with active output impedance matching |
| 11/25/2010 | WO2010135709A1 Output circuit with integrated impedance matching, power combining and filtering for power amplifiers and other circuits |
| 11/25/2010 | WO2010134858A1 A harmonic control apparatus |
| 11/25/2010 | WO2010134857A1 Transmitter with quantization noise compensation |
| 11/25/2010 | WO2010108030A3 Common-gate common-source amplifier |
| 11/25/2010 | WO2010088113A3 Amplification system for interference suppression in wireless communications |
| 11/25/2010 | US20100296612 Automatic gain control circuit and receiver circuit |
| 11/25/2010 | US20100295614 Amplifying device |
| 11/25/2010 | US20100295613 Supply-modulated rf power amplifier and rf amplification methods |
| 11/25/2010 | US20100295612 Power series digital predistorter and control method therefor |
| 11/25/2010 | US20100295611 Distortion compensation apparatus |
| 11/24/2010 | EP2254241A2 Power series digital predistorter and control method therefor |
| 11/24/2010 | EP2254240A1 Distortion compensation apparatus |
| 11/24/2010 | EP2254239A1 Predistorter, predistortion method, and predistortion system |
| 11/24/2010 | EP2254238A1 Amplifier, transmitter, and method for compensating gain |
| 11/24/2010 | EP2254237A2 Method and device for adjusting power amplifier voltage and controlling time slots |
| 11/24/2010 | EP2253064A1 Multi-mode power amplifiers |
| 11/24/2010 | EP1500187B1 A differential amplifier |
| 11/24/2010 | EP1395491B1 Inserting apparatus and method with controlled, master cycle speed-dependent actuator operations |
| 11/24/2010 | EP0977354B1 Amplifier for radio transmission |
| 11/24/2010 | CN201656917U GaAs microwave power amplifier protection control circuit |
| 11/24/2010 | CN101896874A Constant voltage circuit |
| 11/24/2010 | CN101895971A Method, apparatus and system for adjusting power amplifier voltage and controlling time slot |
| 11/24/2010 | CN101895698A Integrated circuit with functions of bias and polarization selection |
| 11/24/2010 | CN101895265A Full differential CMOS multimode low-noise amplifier |
| 11/24/2010 | CN101895261A Low-noise amplifier with adjustable working frequency in UHF (ultra-high-frequency) RFID (Radio Frequency Identification) reader |
| 11/24/2010 | CN101895260A Power series digital predistorter and control method therefor |
| 11/24/2010 | CN101895259A Predistorter, predistortion method and predistortion system |
| 11/24/2010 | CN101895258A Circuit for controlling positive amplification coefficients of triode |
| 11/24/2010 | CN101895257A Low-noise, low-power, low drift offset correction in operational and instrumentation amplifiers |
| 11/23/2010 | US7840287 Robust process model identification in model based control techniques |
| 11/23/2010 | US7840015 Thermal feedback for switch mode amplification |
| 11/23/2010 | US7839214 Signal nonlinear distoration magnitude detection method and device |
| 11/23/2010 | CA2495855C Signal, interference and noise power measurement |
| 11/18/2010 | WO2010132705A1 Multi-bit class-d power amplifier system |
| 11/18/2010 | WO2010132266A1 Method and apparatus for approximating a function |
| 11/18/2010 | WO2010132218A1 Electronic device with data-rate-dependent power amplifier bias |
| 11/18/2010 | WO2010131232A1 A circuit for a transmitter |
| 11/18/2010 | WO2010078142A4 Dynamic signal contamination suppression |
| 11/18/2010 | US20100289575 Increasing the Density of Larger Magnitude Amplifier Output Samples for Estimating a Model of Digital Pre-Distortion to Compensate for Amplifier Non-Linearity |
| 11/18/2010 | US20100289574 Signal Pre-Distortion Facility for Amplifier Non-Linearity Compensation |
| 11/18/2010 | US20100289573 Distributed Mobile Communication Network |
| 11/18/2010 | US20100289572 Predistorter, predistortion method, and predistortion system |
| 11/18/2010 | US20100289569 Digital hybrid amplifier calibration and compensation method |
| 11/18/2010 | US20100289568 Low-Noise, Low-Power, Low Drift Offset Correction in Operational and Instrumentation Amplifiers |
| 11/18/2010 | US20100289565 Integrated circuits and methods for enabling high-speed ac-coupled networks to suppress noise during low-frequency operation |
| 11/17/2010 | EP2251975A1 Electronic device with data-rate-dependent power amplifier bias |
| 11/17/2010 | EP2251974A1 Quad LINC transmitter comprising switchable Chireix amplifiers |
| 11/17/2010 | EP2250728A1 Differential current output driver with overvoltage protection |
| 11/17/2010 | EP2250727A1 Transformer based voltage combiner with inductive shunt |
| 11/17/2010 | EP2027649B1 System and method for providing a transmitter for polar modulation and power amplifier linearization |
| 11/17/2010 | EP1935090B1 Electronic device with an amplifier output stage and an over-current detection means |
| 11/17/2010 | CN101888217A Fully-differential amplifier circuit |