| Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272) |
|---|
| 10/19/2010 | US7817713 Enhanced reconditioning equalizer filter for non-constant envelop signals |
| 10/19/2010 | US7816984 Lookup table generation method and related device for a predistorter |
| 10/19/2010 | US7816983 Fast switch for controlling a differential-pair amplifier |
| 10/14/2010 | WO2010117770A1 Method and apparatus for performing predistortion |
| 10/14/2010 | WO2010115701A2 A radio system and a method for relaying radio signals |
| 10/14/2010 | WO2010115465A1 Multi-stage amplifier |
| 10/14/2010 | US20100261983 Implantable devices for dynamic monitoring of physiological and biological properties of tumors |
| 10/14/2010 | US20100259328 Audio frequency amplifier |
| 10/14/2010 | US20100259237 Compensation Circuit |
| 10/14/2010 | DE10050740B4 Verstärker Amplifier |
| 10/13/2010 | EP2238685A1 Low noise and low input capacitance differential mds lna |
| 10/13/2010 | EP2238684A1 Circuit with a power amplifier and amplification method |
| 10/13/2010 | EP1459440B1 Esd protection circuit for use in rf cmos ic design |
| 10/13/2010 | EP1238456B1 Improved floating, balanced output circuit |
| 10/13/2010 | CN1886892B Amplifier and communication apparatus |
| 10/13/2010 | CN1835393B Audio amplifier with high power and high efficiency and its control method |
| 10/13/2010 | CN1762097B Matching circuit and power amplifier comprising matching circuit |
| 10/13/2010 | CN1701613B Packaged RF power transistor having RF bypassing/output matching network |
| 10/13/2010 | CN1679315B Communication arrangement and transmission unit for information transfer by means of at least one transmission line and a circuit arrangement for connection to the transmission unit |
| 10/13/2010 | CN101860332A Amplifier circuit with reduced phase noise |
| 10/13/2010 | CN101860331A Grid voltage control circuit of TDD radio-frequency amplifier |
| 10/13/2010 | CN101860327A Cascode amplifier and method for controlling current of the same |
| 10/13/2010 | CN101860326A Indirect learning predistortion linearized system based on Volterra series |
| 10/13/2010 | CN101860325A Amplifier circuit and control method thereof |
| 10/13/2010 | CN101860324A High voltage amplifier for electrostatic supporting system |
| 10/13/2010 | CN101340177B Signal processing circuit |
| 10/13/2010 | CN101309072B Integrated operational amplifier and method for compensating such an amplifier |
| 10/13/2010 | CN101297475B Method and arrangement for optimizing efficiency of a power amplifier |
| 10/12/2010 | US7813515 Multi-channel power amplifier with channels independently self-configuring to a bridge or single-ended output, particularly for audio applications |
| 10/12/2010 | US7812674 Common centroid electrostatic discharge protection for integrated circuit devices |
| 10/12/2010 | US7812670 Baseband predistortion device and method |
| 10/12/2010 | US7812669 Predistortion apparatus, system, and method |
| 10/12/2010 | US7812667 System and method of enabling a signal processing device in a relatively fast manner to process a low duty cycle signal |
| 10/12/2010 | US7812665 Amplifiers with input offset trim and methods |
| 10/12/2010 | CA2381167C Intermodulation product cancellation circuit |
| 10/07/2010 | WO2010114014A1 Liquid crystal driving apparatus |
| 10/07/2010 | WO2010113527A1 Second-order distortion correcting receiver and second-order distortion correcting method |
| 10/07/2010 | WO2010112364A1 A radio system and a method for relaying packetized radio signals |
| 10/07/2010 | WO2010112363A1 A radio system and a method for relaying radio signals |
| 10/07/2010 | US20100253426 High-Efficiency Power Amplifier |
| 10/07/2010 | US20100253425 Method and apparatus for performing predistortion |
| 10/07/2010 | DE102005017538B4 Anordnung und Verfahren zur Temperaturkompensation eines Widerstands Apparatus and method for temperature compensation for a resistance |
| 10/06/2010 | EP2237569A1 Motional feedback system |
| 10/06/2010 | EP2237414A2 Amplifier circuit of capacitor microphone |
| 10/06/2010 | EP2235820A1 3-way doherty amplifier with minimum output network |
| 10/06/2010 | CN1725630B Module device of low noise amplifier |
| 10/06/2010 | CN1671040B Low noise operational amplifier |
| 10/06/2010 | CN1636315B Method for current modulator and theory sensing amplifier AM to modulate impedance |
| 10/06/2010 | CN101855828A Switching amplifiers |
| 10/06/2010 | CN101854318A High-efficiency digital predistortion method |
| 10/06/2010 | CN101854209A Monitoring circuit and optical receiver using same |
| 10/06/2010 | CN101854150A Operational amplifier |
| 10/06/2010 | CN101854149A Preamplifier design method and on-chip preamplifier design method |
| 10/06/2010 | CN101854148A Dynamic signal contamination suppression |
| 10/06/2010 | CN101401299B Apparatus for and method of biasing a transistor |
| 10/06/2010 | CN101286962B Carrier balancing radio frequency predistortion power amplifier realizing apparatus and method |
| 10/06/2010 | CN101114814B Method and apparatus to correct an error in a switching power amplifier |
| 10/05/2010 | USRE41792 Controllable integrator |
| 10/05/2010 | US7808416 Output circuit, digital analog circuit and display device |
| 10/05/2010 | US7808316 Wideband differential amplifier including single-ended amplifiers coupled to a four-port transformer |
| 10/05/2010 | US7808315 Cube coordinate subspaces for nonlinear digital predistortion |
| 10/05/2010 | US7808311 Nested transimpedance amplifier |
| 09/30/2010 | WO2010111297A1 Amplifier supporting multiple gain modes |
| 09/30/2010 | US20100246137 Thermal-electrical assembly for a portable communication device |
| 09/30/2010 | US20100244957 Power circuits for power amplifiers and communication systems using the same |
| 09/30/2010 | US20100244956 Current control mechanism for low voltage applications |
| 09/30/2010 | US20100244955 Reconfigurable Distributed Active Transformers |
| 09/30/2010 | US20100244954 CDMA/OFDM Linearity Compliant Wireless Communication Amplifier |
| 09/30/2010 | US20100244953 CDMA/OFDM Compliant Wireless Communication from a Non-Linear Finite Impulse Response Filter Configured with Coefficients that are Responsive to an Input Signal Magnitude |
| 09/30/2010 | US20100244950 Amplifier pre-distortion systems and methods |
| 09/29/2010 | EP2234271A2 Amplifier Circuit and Transceiver |
| 09/29/2010 | EP2234157A2 Semiconductor device |
| 09/29/2010 | EP1756944B1 Current-mode instrumentation amplifier |
| 09/29/2010 | EP1597824B1 A method and a device for adjusting power amplifier properties |
| 09/29/2010 | EP1377994B1 Tunable ferro-electric filter |
| 09/29/2010 | CN201594809U Closed-loop D type audio amplifier system and audio amplifier |
| 09/29/2010 | CN1898861B Radio frequency (rf) and/or microwave power amplification device and corresponding radio communication terminal |
| 09/29/2010 | CN1838527B 功率放大器 PA |
| 09/29/2010 | CN101849354A Multi-mode power amplifier with high efficiency under backoff operation |
| 09/29/2010 | CN101847972A Amplifier circuit and transceiver |
| 09/29/2010 | CN101847968A High-performance D type audio power amplifier with high-order multipath feedback structure |
| 09/29/2010 | CN101847966A Bipolar zero position and gain adjustable amplifier and analog signal conditioner |
| 09/29/2010 | CN101847359A Operational amplifier circuit and display device using same |
| 09/29/2010 | CN101345512B Method for over-temperature protection through monitoring power tube junction temperature by collecting anode penetration current |
| 09/29/2010 | CN101133550B Arbitrary waveform predistortion table generation |
| 09/29/2010 | CN101102120B Wireless communication apparatus |
| 09/28/2010 | US7805281 Vibration analysis |
| 09/28/2010 | US7804359 Linearization with memory compensation |
| 09/28/2010 | CA2425668C Multiple-voltage supply power amplifier with dynamic headroom control |
| 09/23/2010 | WO2010108044A1 Digital filtering in a class d amplifier system to reduce noise fold over |
| 09/23/2010 | WO2010108039A1 Cascode amplifier with protection circuitry |
| 09/23/2010 | WO2010108030A2 Common-gate common-source amplifier |
| 09/23/2010 | WO2010108029A1 Transconductance bias circuit, amplifier and method |
| 09/23/2010 | WO2010088110A3 Amplification system for interference suppression in wireless communications |
| 09/23/2010 | WO2010078142A3 Dynamic signal contamination suppression |
| 09/23/2010 | US20100237940 Output Stage with Adaptive Bias Control |
| 09/23/2010 | US20100237939 Adaptive operational transconductance amplifier load compensation |
| 09/23/2010 | US20100237938 High efficiency linear power amplifiers with load compensation |
| 09/23/2010 | US20100237937 Power amplifying device and power amplifying method |
| 09/23/2010 | US20100237936 Amplifier circuit and magnetic sensor |