| 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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| 09/12/2006 | US7106138 Continuously variable gain radio frequency driver amplifier having linear in decibel gain control characteristics |
| 09/12/2006 | US7106136 Amplifier, data driver and display apparatus having the same |
| 09/12/2006 | US7106134 Feed forward amplifier employing bias circuit topologies for minimization of RF amplifier memory effects |
| 09/12/2006 | US7106133 Distortion compensator |
| 09/12/2006 | US7106131 Amplifying circuit |
| 09/12/2006 | US7106124 Field emission RF amplifier |
| 09/12/2006 | US7106093 Semiconductor device |
| 09/12/2006 | US7105797 Optical receiving circuit |
| 09/08/2006 | WO2006093177A1 Dc amplifier and method for compensating for offset voltage thereof |
| 09/08/2006 | WO2006092940A1 Electric power amplifying apparatus |
| 09/08/2006 | WO2006092939A1 Power amplifying apparatus |
| 09/08/2006 | WO2006065462A3 A transmitter, a transceiver and a method of controlling a transmit power therefor |
| 09/07/2006 | US20060197602 Semiconductor indicator for voltage diagnostics in power amplifiers |
| 09/07/2006 | US20060197600 High frequency power amplifier circuit device |
| 09/07/2006 | US20060197595 Predistorter for power amplifier |
| 09/07/2006 | US20060197593 Negative feedback system with an error compensation scheme |
| 09/07/2006 | US20060197592 Variable gain amplifier |
| 09/07/2006 | US20060197591 Device and method for enhancing output current driving |
| 09/06/2006 | EP1699133A1 Predistorter for power amplifier |
| 09/06/2006 | EP1698051A1 Radio frequency (rf) and/or microwave power amplification device and corresponding radio communication terminal |
| 09/06/2006 | EP1698050A2 Gate control circuit with soft start/stop function |
| 09/06/2006 | EP1698049A1 Power amplifier with serial interface and digital power control and associated methods |
| 09/06/2006 | EP1618650B1 Method and device for power amplifier with high accuracy of an output signal |
| 09/06/2006 | EP1032973B1 An amplifier and a method of power amplification |
| 09/06/2006 | CN2814804Y EIDC intelligent distortion control self-protecting system |
| 09/06/2006 | CN1830140A Power distribution and biasing in RF switch-mode power amplifiers |
| 09/06/2006 | CN1830137A Temperature-insensitive bias circuit for high-power amplifiers |
| 09/06/2006 | CN1829080A Cross-talk reduction circuit and method therefor |
| 09/06/2006 | CN1829078A Distortion compensator |
| 09/06/2006 | CN1274177C Front-end module and communication terminal |
| 09/05/2006 | US7103337 PLL circuit having a multi-band oscillator and compensating oscillation frequency |
| 09/05/2006 | US7103331 Low noise block down converter with reduced power consumption |
| 09/05/2006 | US7103114 Modulated radio signal transmitter with self-adapted amplification polarization |
| 09/05/2006 | US7102445 Power amplifier module |
| 09/05/2006 | US7102444 Method and apparatus for compensating and improving efficiency in a variable power amplifier |
| 09/05/2006 | US7102443 Temperature-stabilized amplifier circuit |
| 09/05/2006 | US7102440 High output current wideband output stage/buffer amplifier |
| 09/05/2006 | US7102438 Autozeroing floating-gate amplifier |
| 09/05/2006 | US7102437 Integrated circuit device |
| 09/05/2006 | US7102433 Boosting circuit |
| 09/05/2006 | US7102430 Efficient method and means for integration of power control and predistortion in a transmitter |
| 09/05/2006 | US7102429 RF amplifier with enhanced efficiency |
| 09/05/2006 | US7102428 Large dynamic range programmable gain attenuator |
| 09/05/2006 | US7102427 Amplifier and radio frequency power amplifier using the same |
| 09/05/2006 | US7102426 Audio reproducing device and method, audio amplifier, and integrated circuit for audio amplifier |
| 08/31/2006 | WO2006091134A1 Non-linear processing of signals |
| 08/31/2006 | WO2006091132A1 Iq-modulator pre-distortion |
| 08/31/2006 | WO2006091130A1 Iq-modulator pre-distortion |
| 08/31/2006 | WO2006090333A1 Current sense fet |
| 08/31/2006 | WO2006089614A1 Monolithically integrated power amplifier device |
| 08/31/2006 | US20060195720 Amplifier fault detection circuit |
| 08/31/2006 | US20060192619 Procedure for operating a high frequency amplifier |
| 08/31/2006 | CA2595241A1 Non-linear processing of signals |
| 08/31/2006 | CA2593829A1 Iq-modulator pre-distortion |
| 08/30/2006 | EP1696558A1 Protection of output stage transistor of an RF power amplifier |
| 08/30/2006 | EP1695438A2 Amplifier linearization using non-linear predistortion |
| 08/30/2006 | EP1695098A1 A broad-bandwidth low noise integrator circuit |
| 08/30/2006 | EP1694285A2 A transmitter circuit and method for modulation distortion compensation |
| 08/30/2006 | EP1393403B1 Tunable phase shifter and applications for same |
| 08/30/2006 | EP1181773B1 Overvoltage protection |
| 08/30/2006 | CN1826734A Multiband mixer |
| 08/30/2006 | CN1825757A Multi-band low noise amplifier |
| 08/30/2006 | CN1825756A Circuit and method for compensating for offset voltage |
| 08/30/2006 | CN1272903C High efficiency linear power amplifier |
| 08/30/2006 | CN1272902C Distortion compensator |
| 08/29/2006 | US7099636 Continuous closed-loop power control system including modulation injection in a wireless transceiver power amplifier |
| 08/29/2006 | US7099635 High-efficiency modulating RF amplifier |
| 08/29/2006 | US7099399 Distortion-managed digital RF communications transmitter and method therefor |
| 08/29/2006 | US7099098 Preamplifier circuit and method for a disk drive device |
| 08/29/2006 | US7098743 Cascode amplifier |
| 08/29/2006 | US7098741 Monolithically integrated power amplifier device |
| 08/29/2006 | US7098740 Radio frequency power amplifier and communication system |
| 08/29/2006 | US7098736 Amplifier circuit |
| 08/29/2006 | US7098734 Distortion-compensated amplifier using predistortion technique |
| 08/29/2006 | US7098702 Transconductor circuit for compensating the distortion of output current |
| 08/24/2006 | WO2006088604A2 Method and apparatus for an improved power amplifier |
| 08/24/2006 | WO2006087870A1 Audio signal amplifying circuit and electronic device using the same |
| 08/24/2006 | WO2006087864A1 Predistorter |
| 08/24/2006 | WO2005078921A8 Radio frequency low noise amplifier with automatic gain control |
| 08/24/2006 | US20060186964 Output power detection circuit |
| 08/24/2006 | US20060186963 Active LC filtering damping circuit with galvanic isolation |
| 08/24/2006 | US20060186960 Use of analog-valued floating-gate transistors for parallel and serial signal processing |
| 08/24/2006 | US20060186959 Low-consumption voltage amplifier |
| 08/24/2006 | US20060186954 Amplifier arrangement, and method for compensating for an offset |
| 08/24/2006 | US20060186953 Circuit and method for compensating for offset voltage |
| 08/24/2006 | DE10208117B4 Transimpedanzverstärker und optischer Empfänger Transimpedance amplifier and optical receiver |
| 08/24/2006 | DE102005008372A1 Controllable amplifier for high frequency (HF) input signal, with current path between supply potential and reference potential terminals that contains amplifying transistor |
| 08/24/2006 | DE102005008274A1 Controlled amplifier for signal amplification in relation to analog control signal, has input for HF input signal coupled to control input of amplifier transistor |
| 08/24/2006 | DE102005007876A1 Feedback amplifier circuit, has feedback path between amplifier terminal and control terminal |
| 08/24/2006 | DE102005007632A1 Verstärkeranordnung und Verfahren zum Abgleichen eines Offsets Amplifier arrangement and method for adjusting an offset |
| 08/23/2006 | EP1693958A1 Method for operating a high-frequency amplifier |
| 08/23/2006 | EP1693956A1 Amplifier and communication apparatus |
| 08/23/2006 | EP1693955A2 Dynamic bias fo RF power amplifiers |
| 08/23/2006 | EP1163728B1 Radio transmitters |
| 08/23/2006 | CN1823469A Amplifying circuit comprising an envelope modulated limit cycles modulator circuit |
| 08/23/2006 | CN1822492A Power amplifying apparatus using asymmetric power drive |
| 08/23/2006 | CN1821921A Semiconductor device having voltage feedback circuit therein, and electronic apparatus using the same |
| 08/23/2006 | CN1271797C Active integration antenna of back feed type rectangular micro band antenna and front level low noise amplifier non-matched circuit |
| 08/23/2006 | CN1271783C Distortion compensator |
| 08/23/2006 | CN1271781C Current controlling method and application thereof |