| Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272) |
|---|
| 06/08/2005 | EP1538744A1 Gain-controlled amplifier, receiver circuit and radio communication device |
| 06/08/2005 | EP1538743A1 Amplifier |
| 06/08/2005 | CN1625834A Output circuit for a semiconductor amplifier element |
| 06/08/2005 | CN1625076A Power control in a mobile communication system |
| 06/08/2005 | CN1625060A Signal transmitter |
| 06/08/2005 | CN1205741C High frequency amplifier |
| 06/07/2005 | US6904267 Amplifying device |
| 06/07/2005 | US6903679 Video amplifier for a radar receiver |
| 06/07/2005 | US6903612 Tunable low noise amplifier |
| 06/07/2005 | US6903609 Operational amplifier |
| 06/07/2005 | US6903606 DC offset correction using unused LNA |
| 06/07/2005 | US6903604 Method and apparatus for modeling and estimating the characteristics of a power amplifier |
| 06/02/2005 | WO2005050938A1 System and method for frequency modulation in a modem |
| 06/02/2005 | WO2005050831A1 A predistorter for use in a wireless transmitter |
| 06/02/2005 | WO2005050830A1 Electrical module, especially a direct-current amplifier |
| 06/02/2005 | WO2005050827A2 Amplifier linearization using non-linear predistortion |
| 06/02/2005 | WO2005040043A3 Transducer preamplifier and coupling device |
| 06/02/2005 | WO2005027188A3 Quiescent current control circuit for high-power amplifiers |
| 06/02/2005 | WO2005018041A3 Low noise, electric field sensor |
| 06/02/2005 | WO2004107566A3 Temperature and process compensation of mosfet operating in sub-threshold mode |
| 06/02/2005 | WO2004075397A3 Enhanced efficiency feed forward power amplifier utilizing reduced cancellation bandwidth and small error amplifier |
| 06/02/2005 | US20050119866 Medical parameter processing system |
| 06/02/2005 | US20050118980 Variable rate RC calibration circuit with filter cut-off frequency programmability |
| 06/02/2005 | US20050118971 High frequency amplifier circuit permitting variable gain control |
| 06/02/2005 | US20050118965 Signal transmitter |
| 06/02/2005 | US20050116779 Method to reduce unwanted oscillations in high speed, high gain or transimpedance amplifiers |
| 06/02/2005 | US20050116776 Self-calibrated power amplifier linearizers |
| 06/02/2005 | US20050116775 Digital memory-based predistortion technique |
| 06/02/2005 | US20050116771 Power amplification circuits |
| 06/02/2005 | US20050116769 Sensor device and a signal amplification device of a small detection signal provided by the sensor |
| 06/02/2005 | US20050116766 Bias voltage generator circuit |
| 06/02/2005 | US20050116760 Enhancing SNR and throughput performance of integrated circuits |
| 06/01/2005 | EP1536556A2 Switching amplifier architecture |
| 06/01/2005 | CN1623282A Communication apparatus |
| 06/01/2005 | CN1623281A High-frequency power amplifier circuit and electronic part for communication |
| 06/01/2005 | CN1623277A N-way RF power amplifier circuit with increased back-off capability and power added efficiency |
| 06/01/2005 | CN1623275A Distortion compensator |
| 06/01/2005 | CN1623274A RF output power control |
| 06/01/2005 | CN1623232A RF amplifier |
| 06/01/2005 | CN1204681C Single end point sensing amplifier |
| 05/31/2005 | US6900752 Stepwise zero-data-detection mute circuit |
| 05/31/2005 | US6900698 Negative feedback amplifier with electrostatic discharge protection circuit |
| 05/31/2005 | US6900697 Method and system for providing power management in a radio frequency power amplifier by dynamically adjusting supply and bias conditions |
| 05/31/2005 | US6900696 Shared-current electronic systems |
| 05/31/2005 | US6900694 High frequency power amplifier module and wireless communication apparatus |
| 05/31/2005 | US6900693 Power amplifying apparatus and radio communications apparatus using same |
| 05/31/2005 | US6900692 High efficiency power amplifier with multiple power modes |
| 05/31/2005 | US6900671 Current-voltage conversion circuit |
| 05/26/2005 | WO2005048448A1 High frequency amplifier |
| 05/26/2005 | WO2005048300A2 Electronically programmable multimode circuit |
| 05/26/2005 | WO2005034338A3 Method for aligning feed forward loops |
| 05/26/2005 | US20050113132 Circuit arrangement for a predistorted feedback coupling from a transmitter to a receiver in a multi-mode mobile telephone |
| 05/26/2005 | US20050113055 Digital amplification device |
| 05/26/2005 | US20050113052 System and method of carrier reinjection in a feedforward amplifier |
| 05/26/2005 | US20050111669 Apparatus to control temperature of audio amp |
| 05/26/2005 | US20050111575 Amplifier linearization using non-linear predistortion |
| 05/26/2005 | US20050111574 Transmission device with digital predistortion, and method for regulating predistortion in a transmission device |
| 05/26/2005 | US20050110575 Gain stabilization technique for narrow band integrated low noise amplifiers |
| 05/26/2005 | US20050110573 Radio frequency power amplifier |
| 05/26/2005 | US20050110568 Modified polar amplifier architecture |
| 05/26/2005 | US20050110567 System and method of pilot tone reuse in a feedforward amplifier |
| 05/26/2005 | US20050110565 Multiple polar amplifier architecture |
| 05/26/2005 | US20050110564 Gain and Phase Balanced Amplifier Redundancy System |
| 05/26/2005 | US20050110563 Dual loop feedforward power amplifier |
| 05/26/2005 | US20050110562 Variable supply amplifier system |
| 05/26/2005 | US20050110555 Amplifier and frequency converter |
| 05/25/2005 | EP1533894A1 Semiconductor integrated circuit and semiconductor integrated circuit manufacturing method |
| 05/25/2005 | EP1532802A2 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 |
| 05/25/2005 | EP1532731A2 High power doherty amplifier |
| 05/25/2005 | EP0861520B1 Small signal linearization in power switching amplifiers |
| 05/25/2005 | DE10320420B4 Anordnung und Verfahren zur digitalen Vorverzerrung eines komplexen Basisband-Eingangssignals Arrangement and method for digitally predistorting a complex baseband input signal |
| 05/25/2005 | DE102004047724A1 Transmission device for transceiver, has complex multiplication unit to logically combines predistortion coefficient with baseband signals, and power amplifier to compensate for amplitude modulation/phase modulation distortion |
| 05/25/2005 | CN1620750A Method and apparatus for controlling an amplifier |
| 05/25/2005 | CN1619963A Infrared radiation receiving circuit, electronic device, and infrared radiation receiving method |
| 05/25/2005 | CN1619950A Variable amplifier and mobile wireless terminal using same |
| 05/25/2005 | CN1619948A 放大器 Amplifier |
| 05/25/2005 | CN1619947A Broad linear dynamic range continuous common mode feedback circuit structure |
| 05/25/2005 | CN1619946A Noise limiting circuit during power source switching |
| 05/25/2005 | CN1619945A High matching low power consumption low noise CDS cirecuit structure |
| 05/25/2005 | CN1203612C Light amplifier and optical pick-up device using it |
| 05/25/2005 | CN1203611C Method and apparatus for wideband predistortion linearization |
| 05/24/2005 | US6898097 Floating-gate analog circuit |
| 05/24/2005 | US6897732 Amplifier |
| 05/24/2005 | US6897731 Method and circuit for overload recovery of an amplifier |
| 05/24/2005 | US6897729 Self-calibrating gain control circuit for low noise amplifier |
| 05/24/2005 | US6897728 High frequency power amplifier module and wireless communication system |
| 05/24/2005 | US6897724 System and method for adjusting group delay |
| 05/24/2005 | US6897723 Feed-forward amplifier loop control utilizing if signal processing |
| 05/24/2005 | US6897722 Adaptive linearizer for RF power amplifiers |
| 05/24/2005 | US6897721 Composite amplifier with optimized linearity and efficiency |
| 05/24/2005 | US6897714 Reference voltage generating circuit |
| 05/24/2005 | US6897704 Electronic isolator |
| 05/19/2005 | WO2005046050A1 Multi-primary distributed active transformer amplifier power supply and control |
| 05/19/2005 | WO2005046049A2 Mmic distributed amplifier gate control using active bias |
| 05/19/2005 | US20050108581 System and method for self-configuring and self-optimizing filters |
| 05/19/2005 | US20050105642 Transmission device with adaptive digital predistortion, transceiver with transmission device, and method for operating a transmission device |
| 05/19/2005 | US20050105364 Amplifier for amplifying input signal such as video signal and outputting amplified signal |
| 05/19/2005 | US20050104758 Distortion compensator |
| 05/19/2005 | US20050104664 Intergrated power amplifier arrangement |
| 05/19/2005 | US20050104662 Amplifier arrangement |