| 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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| 02/07/2007 | EP1750366A2 High reliability RF generator architecture |
| 02/07/2007 | EP1750298A2 RF power transistor with impedance matched output electrode |
| 02/07/2007 | EP1749359A2 Digital predistortion system and method for high efficiency trasmitters |
| 02/07/2007 | EP1749342A1 Quadrature offset power amplifier |
| 02/07/2007 | EP1578011B1 Power amplifying apparatus |
| 02/07/2007 | EP1254509B1 Lineariser |
| 02/07/2007 | CN1910530A Transistor arrangement with temperature compensation and method for temperature compensation |
| 02/07/2007 | CN1909363A 半导体功率器件和rf信号放大器 The semiconductor power device and the rf signal amplifier |
| 02/07/2007 | CN1299430C Overcurrent protecting circuit for voltage regulator |
| 02/06/2007 | US7173505 Tuning RF circuits using switched inductors provided in a monolithic integrated circuit |
| 02/06/2007 | US7173502 Reflection loss suppression circuit |
| 02/06/2007 | US7173492 High frequency power amplification electric part and wireless communication system |
| 02/06/2007 | US7173491 Fast settling power amplifier regulator |
| 02/06/2007 | US7173487 Power amplification circuit and communication device using the same |
| 02/06/2007 | US7173486 Nested transimpedance amplifier with capacitive cancellation of input parasitic capacitance |
| 02/06/2007 | US7173485 Phase-compensated filter circuit with reduced power consumption |
| 02/06/2007 | US7173484 System and method of carrier reinjection in a feedforward amplifier |
| 02/01/2007 | WO2007013177A1 Delay regulating device |
| 02/01/2007 | WO2007013034A1 Rf transmitter with compensation of differential path delay |
| 02/01/2007 | US20070028280 Distributed Gain Subscriber Tap with Power Management |
| 02/01/2007 | US20070027656 Method and Apparatus for Distributed Compressed Sensing |
| 02/01/2007 | US20070024358 Semiconductor power device and RF signal amplifier |
| 02/01/2007 | US20070024357 Methods and apparatus of managing a power amplifier |
| 02/01/2007 | US20070024356 Methods and apparatus of managing a power amplifier |
| 02/01/2007 | US20070024355 Pwm digital amplifier with high-order loop filter |
| 02/01/2007 | US20070024354 Pwm digital amplifier with high-order loop filter |
| 02/01/2007 | US20070024317 Apparatus for obtaining precision integrated resistors |
| 02/01/2007 | US20070024262 Integrated circuit apparatus and method of compensating a current |
| 02/01/2007 | DE102006034368A1 Digital signal amplifier system, has device for predicting acceptance of output signal based on amplitude of input signal, and another device for generating power supply voltage-correction signal |
| 01/31/2007 | EP1402626B1 Feed forward amplifying circuit |
| 01/31/2007 | EP1309883B1 Video amplifier for a radar receiver |
| 01/31/2007 | EP0953232B1 Linearization arrangement of a power amplifier |
| 01/31/2007 | CN2865135Y Short-circuit protection circuit for power amplifier output |
| 01/31/2007 | CN1906846A 放大器 Amplifier |
| 01/31/2007 | CN1905378A Harmonic intensified radio-frequency low noise amplifier |
| 01/31/2007 | CN1905357A Radio frequency amplification apparatus |
| 01/31/2007 | CN1905356A Low delay temp compensation bias circuit for TDD mode |
| 01/31/2007 | CN1904778A Electronic apparatus and method for implementing intelligent awakening mode function |
| 01/31/2007 | CN1298105C Current-voltage converter |
| 01/30/2007 | US7171252 Methods, computer program products, and devices for calibrating chronically tissue implanted sensors using chronically tissue |
| 01/30/2007 | US7171172 Method for calibration of a signal receiver |
| 01/30/2007 | US7171170 Envelope limiting for polar modulators |
| 01/30/2007 | US7171168 Ramp signal with boost portion preceding a time slot |
| 01/30/2007 | US7170951 Device and method for predistorting a transmission signal to be transmitted via a nonlinear transmission path |
| 01/30/2007 | US7170847 Means for limiting an output signal of an amplifier stage |
| 01/30/2007 | US7170701 Amplifier with a strong output current |
| 01/30/2007 | US7170353 Balanced amplifier circuit and high-frequency communication apparatus |
| 01/30/2007 | US7170346 Arrangement for reducing non-linear distortions in an output signal of an amplifier stage |
| 01/30/2007 | US7170345 Predistorter |
| 01/30/2007 | US7170344 Multi-band predistorter using power series representation |
| 01/30/2007 | US7170343 Fast LUT predistorter for power amplifier |
| 01/30/2007 | US7170342 Linear power amplification method and linear power amplifier |
| 01/30/2007 | US7170341 Low power consumption adaptive power amplifier |
| 01/30/2007 | US7170338 Chopper stabilization circuits and methods |
| 01/30/2007 | CA2292077C Temperature compensated amplifier and operating method |
| 01/25/2007 | WO2007011012A1 Power amplification device |
| 01/25/2007 | WO2007010854A1 Semiconductor device, module and electronic device |
| 01/25/2007 | WO2007010742A1 Class d power amplifier |
| 01/25/2007 | WO2007010543A1 A method and apparatus for increasing the efficiency of low power amplifiers |
| 01/25/2007 | WO2007010346A1 Reconfigurable transmitter |
| 01/25/2007 | WO2007009483A1 Microphone amplification arrangement and integrated circuit therefor |
| 01/25/2007 | WO2005060596A3 A transmitter for modulation distortion compensation |
| 01/25/2007 | US20070018723 Enhanced efficiency feed forward power amplifier with delay mismatched error cancellation loop |
| 01/25/2007 | US20070018722 Adaptive digital pre-distortion system |
| 01/25/2007 | US20070018721 Driver circuit and method for driving a signal |
| 01/25/2007 | US20070018720 High efficiency amplifier circuits having bypass paths |
| 01/25/2007 | US20070018719 Class AB-D audio power amplifier |
| 01/25/2007 | US20070018630 Transistor arrangement with temperature compensation and method for temperature compensation |
| 01/24/2007 | EP1746720A1 Adaptive Digital Pre-Distortion System |
| 01/24/2007 | EP1277273B1 Method and transmitting circuit for generating a transmission signal |
| 01/24/2007 | EP1260016B1 Method and transmission circuit for generating a transmission signal |
| 01/24/2007 | CN2862500Y Square wave modulated D type frequency amplifier |
| 01/24/2007 | CN1902816A High-frequency amplifier |
| 01/24/2007 | CN1901362A Adaptive digital pre-distortion system |
| 01/23/2007 | US7167693 Scanning receiver for use in power amplifier linearization |
| 01/23/2007 | US7167055 Voltage level detector for power amplifier protection control |
| 01/23/2007 | US7167052 Low voltage differential amplifier circuit for wide voltage range operation |
| 01/23/2007 | US7167051 Current-mode instrumentation amplifier |
| 01/23/2007 | US7167050 Operational amplifier having large output current with low supply voltage |
| 01/23/2007 | US7167047 Multi-channel power amplifier self-configuring to a bridge or single-ended output, particularly for audio applications |
| 01/23/2007 | US7167046 Class-D amplifier |
| 01/23/2007 | US7167044 Dual-band CMOS front-end with two gain modes |
| 01/18/2007 | WO2007008374A2 Method and system for non-destructive distribution profiling of an element in a film |
| 01/18/2007 | WO2007008295A1 Parallel path pre-distorted amplifier |
| 01/18/2007 | WO2007008042A1 Cascode low-noise amplifier |
| 01/18/2007 | WO2007006868A1 Improvements for integrated rf circuits |
| 01/18/2007 | WO2006123350A3 Method for implementation and parameter settings of a voltage enhancement circuit for amplifiers as an integrated circuit (ic) |
| 01/18/2007 | WO2005069897A3 Wideband enhanced digital injection predistortion system and method |
| 01/18/2007 | US20070015475 Power saving in a transmitter |
| 01/18/2007 | US20070015474 Data processing method, transmitter, device, network element and base station |
| 01/18/2007 | US20070013444 Parallel path pre-distorted amplifier |
| 01/18/2007 | US20070013443 Compartmental gain limiter and controlling method thereof |
| 01/18/2007 | US20070013442 Amplifier with feedback bridge |
| 01/18/2007 | US20070013441 Input matching apparatus and method for power amplifier using delta-sigma modulated signal |
| 01/18/2007 | US20070013440 Analog amplifier having dc offset cancellation circuit and method of offset cancellation for analog amplifiers |
| 01/18/2007 | US20070013439 Circuit arrangement having an amplifier arrangement and an offset compensation arrangement |
| 01/18/2007 | US20070013438 Chopper-stabilized operational amplifier and method |
| 01/18/2007 | DE112004002699T5 Doherty-Verstärker unter Verwendung eines aktiven Phasenteilers Doherty amplifier using an active phase splitter |
| 01/18/2007 | DE10251308B4 Integrierte geschaltete Kondensatorschaltung und Verfahren Integrated switched capacitor circuit and method |
| 01/18/2007 | DE102005032093A1 Verstärkeranordnung und Verfahren zur Signalverstärkung Amplifier arrangement and method for signal amplification |