| Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272) |
|---|
| 01/17/2007 | EP1744460A1 Amplifier for electrical parameters measurement apparatuses |
| 01/17/2007 | EP1744449A1 Amplifier, information communication apparatus and amplifying method |
| 01/17/2007 | EP1744448A1 Radio frequency amplifiers |
| 01/17/2007 | EP1743419A1 Amplifying signals using a quadrature coupled amplifier |
| 01/17/2007 | EP1743418A2 Direct current offset correction systems and methods |
| 01/17/2007 | CN1898872A A switched capacitor circuit compensation apparatus and method |
| 01/17/2007 | CN1898861A Radio frequency (rf) and/or microwave power amplification device and corresponding radio communication terminal |
| 01/17/2007 | CN1898860A 层叠的rf功率放大器 Stacked rf power amplifier |
| 01/17/2007 | CN1897458A Amplifier with feedback bridge |
| 01/17/2007 | CN1897457A Predistortion amplifier for compensating distortion |
| 01/17/2007 | CN1295864C Apparatus and method for efficiently amplifying wideband envelope signals |
| 01/17/2007 | CN1295863C Distortion compensating circuit and emitting appts. contg. same |
| 01/17/2007 | CN1295862C Multi-level power amplifier |
| 01/16/2007 | US7164738 Signal canceling method and device |
| 01/16/2007 | US7164321 Modulation dependent biasing for efficient and high linearity power amplifiers |
| 01/16/2007 | US7164318 Continuous variable-gain low-noise amplifier |
| 01/16/2007 | US7164316 Series-Type Doherty Amplifier Without Hybrid Coupler |
| 01/16/2007 | US7164313 Method and apparatus for opening a feedback loop |
| 01/16/2007 | US7164312 Apparatus and method for pop-and-click suppression with fast turn-on time |
| 01/11/2007 | WO2007004252A1 Power amplifier having distortion compensating circuit |
| 01/11/2007 | WO2007004251A1 Dc/dc converter and power amplifier to which the same has been applied |
| 01/11/2007 | WO2007003224A1 Compensation for parasitic coupling between rf or microwave transistors in the same package |
| 01/11/2007 | WO2007003219A1 Wireless communication unit, integrated circuit and biasing circuit therefor |
| 01/11/2007 | WO2007003170A1 Circuit arrangement with low transconductance |
| 01/11/2007 | WO2006085177A3 Variable bandwidth envelope modulator for use with envelope elimination and restoration transmitter architecture and method |
| 01/11/2007 | US20070010973 Method and system for non-destructive distribution profiling of an element in a film |
| 01/11/2007 | US20070010224 LNA gain adjustment in an RF receiver to compensate for intermodulation interference |
| 01/11/2007 | US20070008038 Power amplifier arrangement, particularly for mobile radio, and method for determining a performance parameter |
| 01/11/2007 | US20070008036 Miller-compensated amplifier |
| 01/11/2007 | US20070008033 Predistortion amplifier for compensation distortion |
| 01/11/2007 | US20070008032 Power amplifier and transmitter |
| 01/11/2007 | US20070008031 Method and device for correcting signal distortions in an amplifier device |
| 01/10/2007 | EP1742351A1 Predistortion amplifier |
| 01/10/2007 | EP1559199B1 RF circuit with frequency agile seqential amplifiers |
| 01/10/2007 | EP1153475B1 Gate biasing arrangement |
| 01/10/2007 | CN1894855A System and method for detection of amplitude limit and modification of signal |
| 01/10/2007 | CN1893270A Bias-voltage circuit for use on sound source amplifier |
| 01/10/2007 | CN1893261A Low noise amplifier for wideband and method for amplifying RF signal using the amplifier |
| 01/10/2007 | CN1893260A Miller-compensated amplifier |
| 01/10/2007 | CN1893259A Power amplifier and transmitter using the amplifier |
| 01/10/2007 | CN1893258A Amplification systems and methods using fixed and modulated power supply voltages and buck-boost control |
| 01/10/2007 | CN1294698C Distributed circular geometry power amplifier architecture |
| 01/10/2007 | CN1294697C Configurable power amplifier and bias control |
| 01/10/2007 | CN1294673C Tuning multiplexer |
| 01/09/2007 | US7161990 Predistortion amplifier |
| 01/09/2007 | US7161429 Multi-port cross-connected multi-level cascode differential amplifier |
| 01/09/2007 | US7161428 Method and apparatus for extending the bandwidth of a Class D amplifier circuit |
| 01/09/2007 | US7161427 Input structure for a power amplifier and associated methods |
| 01/09/2007 | US7161424 Signal output apparatus |
| 01/09/2007 | US7161423 Parallel power amplifier and associated methods |
| 01/09/2007 | US7161422 Multiple power mode amplifier with bias modulation option and without bypass switches |
| 01/09/2007 | US7161420 Amplifiers with compensation |
| 01/09/2007 | US7161419 Sensor device and a signal amplification device of a small detection signal provided by the sensor |
| 01/09/2007 | US7161413 Precision chopper-stabilized current mirror |
| 01/09/2007 | CA2335220C Fet bias circuit |
| 01/04/2007 | WO2007002396A2 System and method for measuring characteristics of a continuous medium and/or localized targets using multiple sensors |
| 01/04/2007 | WO2007000496A1 Data processing method, transmitter, device, network element and base station |
| 01/04/2007 | WO2007000495A1 Data processing method, pre-distortion arrangement, transmitter, network element and base station |
| 01/04/2007 | US20070002912 Laser power control circuit |
| 01/04/2007 | US20070001769 Ultra-wideband constant gain cmos amplifier |
| 01/04/2007 | DE102005030049A1 Treiberschaltung für eine Telefonleitung A drive circuit for a telephone line |
| 01/03/2007 | EP1739845A2 Altering transmit power amplifier characteristics according to input signal characteristics |
| 01/03/2007 | EP1739826A1 Ultra low-frequency response, dc-blocked low-noise amplifier |
| 01/03/2007 | EP1738511A2 Wideband enhanced digital injection predistortion system and method |
| 01/03/2007 | EP1738459A1 A device including an equalizer and an amplification chain for broadband integrated circuit applications |
| 01/03/2007 | EP1269707B1 Device for producing a phase and amplitude modulated radio frequency signal |
| 01/03/2007 | CN1890874A Photo-receiving pre-amplifier |
| 01/03/2007 | CN1293774C Digital feedback linearizing apparatus to linearize power amplifier and method used by the apparatus |
| 01/02/2007 | US7158766 Wideband amplifier compensating input capacitance, radio transceiver, semiconductor integrated circuit and wideband amplification method |
| 01/02/2007 | US7158582 Digital I/Q modulator having a predistortion |
| 01/02/2007 | US7158581 Method of determining parameters of an N-gate |
| 01/02/2007 | US7158447 Sonar transmitter |
| 01/02/2007 | US7157976 High frequency amplifier |
| 01/02/2007 | US7157974 Power amplifier and method for power amplification |
| 01/02/2007 | US7157968 Method and apparatus for protecting a switching amplifier from excess current |
| 01/02/2007 | US7157967 System and method for control of loop alignment in adaptive feed forward amplifiers |
| 01/02/2007 | US7157946 Chopper comparator circuit |
| 01/02/2007 | US7157684 Receiving circuit for free-space optical communication |
| 12/28/2006 | WO2006138102A1 Temperature compensated voltage regulator integrated with mmic's |
| 12/28/2006 | WO2006137600A1 High frequency power amplifier distortion compensation device |
| 12/28/2006 | WO2005091802A3 System and method for control of loop alignment in adaptive feed forward amplifiers |
| 12/28/2006 | US20060293003 High-efficiency modulating RF amplifier |
| 12/28/2006 | US20060293002 High-efficiency modulating RF amplifier |
| 12/28/2006 | US20060293001 Apparatus for mobile communication system |
| 12/28/2006 | US20060290692 Semiconductor device and electronic apparatus using the same |
| 12/28/2006 | US20060290561 System and method for measuring characteristics of a continuous medium and/or localized targets using multiple sensors |
| 12/28/2006 | US20060290435 Type-II All-Digital Phase-Locked Loop (PLL) |
| 12/28/2006 | US20060290429 Composition form forming anti-reflective coating for use in lithography |
| 12/28/2006 | US20060290422 Variable feedback circuits and methods |
| 12/28/2006 | US20060290421 Multi-substrate RF module for wireless communication devices |
| 12/28/2006 | US20060290420 Wide dynamic range switching variable gain amplifier and control |
| 12/27/2006 | EP1735906A2 Model based distortion reduction for power amplifiers |
| 12/27/2006 | EP1654801B1 Integrated power amplifier circuit |
| 12/27/2006 | EP1540815B1 Composite power amplifier |
| 12/27/2006 | CN1886892A Amplifier and communication apparatus |
| 12/27/2006 | CN1886891A Method for aligning feed forward loops |
| 12/27/2006 | CN1292610C 射频功率放大器 RF power amplifier |
| 12/26/2006 | US7154340 Circuit for increasing the unity gain crossover frequency of an amplifier element |
| 12/26/2006 | US7154336 High-frequency power amplifier |
| 12/26/2006 | US7154332 Differential amplifier, data driver and display device |