| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 05/30/2013 | US20130135029 Architecture of future open wireless architecture (owa) radio system |
| 05/29/2013 | EP2596582A1 Method and apparatus for locating faults in communications networks |
| 05/29/2013 | DE102012023296A1 Verstärker Amplifier |
| 05/29/2013 | DE102011087106A1 Hochfrequenz-Klasse-D-MOSFET-Verstärkermodul High-frequency class D amplifier MOSFET module |
| 05/29/2013 | CN202957808U Amplifier with ultralow dc offset in input end and A/D converter thereof |
| 05/29/2013 | CN103125070A Power series digital predistorter and control method thereof |
| 05/29/2013 | CN103124164A Switching system and method for control thereof |
| 05/29/2013 | CN103124163A 功率放大器 PA |
| 05/29/2013 | CN103124162A Radio frequency power amplifier with high linearity and high efficiency |
| 05/29/2013 | CN103124067A Class e amplifier with inductive clamp |
| 05/29/2013 | CN101971488B Differential current output driver with overvoltage protection |
| 05/29/2013 | CN101147424B Offset correction circuit for voltage-controlled current source |
| 05/28/2013 | US8451063 Wideband low noise sensor amplifier circuit |
| 05/28/2013 | US8451062 Radiation hardened differential amplifier |
| 05/28/2013 | US8451059 Capacitively-coupled distributed amplifier with baseband performance |
| 05/28/2013 | US8451058 Amplifier bandwidth extension for high-speed tranceivers |
| 05/28/2013 | US8451057 Switching amplifier using inductor current feedback |
| 05/28/2013 | US8451056 Apparatus for outputting symmetrical signal and amplifier circuit |
| 05/28/2013 | US8451053 Radio-frequency (RF) amplifier circuits and related techniques |
| 05/28/2013 | US8451052 Instrumentation input systems |
| 05/28/2013 | US8450676 Optical receiver |
| 05/28/2013 | CA2743484C Hybrid power control for a power amplifier |
| 05/23/2013 | WO2013073544A1 Inverse class-f amplification circuit and parasitic circuit compensation method for inverse class-f amplification circuit |
| 05/23/2013 | WO2013072951A1 Electric charge detection circuit |
| 05/23/2013 | WO2013072950A1 Electric charge detection circuit |
| 05/23/2013 | WO2013072186A1 Digital class-d amplifier and digital signal processing method |
| 05/23/2013 | WO2013021028A3 Asynchronous switch mode supply |
| 05/23/2013 | US20130130752 Flip-chip linear power amplifier with high power added efficiency |
| 05/23/2013 | US20130130750 Multi-mode power amplifier |
| 05/23/2013 | US20130127548 Apparatus and methods for voltage converters |
| 05/23/2013 | US20130127545 Bias current monitor and control mechanism for amplifiers |
| 05/23/2013 | US20130127544 Amplifier circuit |
| 05/23/2013 | US20130127543 Power amplifier |
| 05/23/2013 | US20130127542 Active antenna arrangement with doherty amplifier |
| 05/23/2013 | US20130127540 Power amplifier |
| 05/23/2013 | US20130127539 Cmos integrated circuit and amplifying circuit |
| 05/23/2013 | US20130127538 Cmos integrated circuit and amplifying circuit |
| 05/23/2013 | US20130127537 Output common mode voltage stabilizer over large common mode input range in a high speed differential amplifier |
| 05/23/2013 | US20130127536 Fully differential operational amplifier with common-mode feedback circuit |
| 05/23/2013 | US20130127534 Variable phase amplifier circuit and method of use |
| 05/23/2013 | US20130127533 Operational amplifier having low power consumption |
| 05/23/2013 | US20130127532 Switched-mode power supply apparatus and method |
| 05/23/2013 | US20130127531 Amplifier circuit with offset control |
| 05/23/2013 | US20130127530 Multi-level boosted class d amplifier |
| 05/23/2013 | US20130127529 Automatic gain control device |
| 05/23/2013 | US20130127528 Power amplifier and amplification method thereof |
| 05/23/2013 | US20130126701 Optical sensing system with a phase sensitive amplifier and associated methods |
| 05/23/2013 | DE102004041335B4 Datentreiberschaltung und zugehöriger Halbleiterbaustein Data driver circuit and associated semiconductor device |
| 05/22/2013 | EP2595314A2 Multi-mode amplifier |
| 05/22/2013 | EP2595313A1 High frequency amplifier |
| 05/22/2013 | EP2595312A1 Automatic gain control circuit and method for automatic gain control |
| 05/22/2013 | EP2594018A2 Method and apparatus for broadband input matching with noise and non-linearity cancellation in power amplifiers |
| 05/22/2013 | CN103119845A Method and apparatus for locating faults in communications networks |
| 05/22/2013 | CN103117795A Radio-frequency amplifier and control method of time division duplex system without radio-frequency switch |
| 05/22/2013 | CN103117719A Precision reference voltage generator of feedforward compensation amplifier |
| 05/22/2013 | CN103117718A High-fidelity transistor audio power amplifier |
| 05/22/2013 | CN103117717A Power amplifier and implementing method thereof, transmitter and wireless measurement while drilling system |
| 05/22/2013 | CN103117716A 高频放大器 High-frequency amplifier |
| 05/22/2013 | CN103117714A Audio amplifier |
| 05/22/2013 | CN103117711A Monolithic integrated radio frequency high-gain low-noise amplifier |
| 05/22/2013 | CN103117710A Differential type low-noise parallel multifrequency amplifier |
| 05/22/2013 | CN102176660B Broadband rail-to-rail amplifier with low power consumption, realized by MOS (Metal Oxide Semiconductor) components |
| 05/22/2013 | CN101803182B Linear RF amplifier with polar feedback |
| 05/22/2013 | CN101592973B Regulating device and audio amplifier |
| 05/21/2013 | US8447050 Thermal feedback for switch mode amplification |
| 05/21/2013 | US8446221 Electronic circuit with a linear amplifier assisted by a switch-mode amplifier |
| 05/21/2013 | US8446219 Class-G line driver control signal |
| 05/21/2013 | US8446218 Power amplifier and transmitter |
| 05/21/2013 | US8446217 Dual-loop feedback amplifying circuit |
| 05/21/2013 | US8446201 High speed rail to rail phase splitter for providing a symmetrical differential output signal having low skew |
| 05/21/2013 | US8445832 Optical communication device |
| 05/16/2013 | WO2013071275A2 Method, system, and circuit with a driver output interface having a common mode connection coupled to a transistor bulk connection |
| 05/16/2013 | WO2013070373A1 Broadband high efficiency amplifier system incorporating dynamic modulation of load impedance |
| 05/16/2013 | WO2013070372A1 BROADBAND AMPLIFIER SYSTEM USING A 3dB QUADRATURE COMBINER TO DYNAMICALLY MODULATE LOAD IMPEDANCE |
| 05/16/2013 | WO2013069213A1 Wireless apparatus and method for manufacturing same |
| 05/16/2013 | US20130121099 Amplifier circuit and semiconductor memory device |
| 05/16/2013 | US20130121039 Switching amplifier with pulsed current supply |
| 05/16/2013 | US20130120070 Dual stage active pixel devices and related methods |
| 05/16/2013 | US20130120069 High frequency amplifier |
| 05/16/2013 | US20130120066 Reference buffer amplifier |
| 05/16/2013 | US20130120065 Silicon-on-Insulator High Power Amplifiers |
| 05/16/2013 | US20130120064 Systems and Methods of RF Power Transmissions, Modulation, and Amplification, Including Cartesian 4-Branch Embodiments |
| 05/16/2013 | US20130120063 Amplifier circuit |
| 05/16/2013 | DE102011055810A1 Nahfeldkommunikations-Leseeinrichtung Nahfeldkommunikations reader |
| 05/15/2013 | EP2592750A1 Power series digital predistorter and control method thereof |
| 05/15/2013 | EP2592749A1 Power amplifying circuit and high-frequency module |
| 05/15/2013 | EP2592652A2 Variable capacitor circuit and method |
| 05/15/2013 | EP2591720A1 Biomedical acquisition system with motion artifact reduction |
| 05/15/2013 | EP2591548A1 Linear differential amplifier having high input impedance |
| 05/15/2013 | CN202940777U Power amplification system used for intelligent converting station test system |
| 05/15/2013 | CN202940776U C-band airborne power amplifier |
| 05/15/2013 | CN202940774U High-efficiency and high-linearity power amplifier |
| 05/15/2013 | CN103107787A Difference frequency device based on operational amplifier |
| 05/15/2013 | CN103107786A Imbalance correcting method for pre-amplifier through controlling amplitude |
| 05/15/2013 | CN103107785A B-A class power amplifier |
| 05/15/2013 | CN103107784A D-type radio-frequency power amplifying circuits |
| 05/15/2013 | CN103107783A Radio frequency power amplifier |
| 05/15/2013 | CN103107782A High-gain front-arranged amplifier for electret electrochemical machining (ECM) microphone |
| 05/15/2013 | CN103107777A Power amplifying circuit and high-frequency module |
| 05/15/2013 | CN102176282B Power amplification device for power carrier system and power carrier system |