| Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272) |
|---|
| 10/02/2014 | US20140292404 Radio-frequency device calibration |
| 10/02/2014 | US20140292403 Power amplifier signal compensation |
| 10/01/2014 | EP2784935A2 Amplifier bias techniques |
| 10/01/2014 | EP2784934A1 Electronic biasing circuit for constant transconductance |
| 10/01/2014 | EP2784933A1 Switching circuit and envelope signal amplifier |
| 09/30/2014 | US8849616 Method and system for noise simulation analysis useable with systems including time-of-flight depth systems |
| 09/30/2014 | US8849187 Radio frequency amplifier noise reduction system |
| 09/30/2014 | US8848947 Low-noise microphone pre-amplifier with active load element |
| 09/30/2014 | US8848945 Audio amplifier with closed-loop power |
| 09/30/2014 | US8848828 Distortion compensation circuit, transmitting apparatus and distortion compensating method |
| 09/30/2014 | US8848824 High efficiency RF system linearizer using controlled complex nonlinear distortion generators |
| 09/30/2014 | US8848394 Radio frequency circuit with impedance matching |
| 09/30/2014 | US8848331 Protection device, complementary protection device, signal output device, latch-up preventing method, and computer-readable medium |
| 09/30/2014 | US8847685 Push-pull amplifier and differential push-pull amplifier |
| 09/30/2014 | US8847682 Attenuating noise and cross-talk in an audio system by offsetting outputs in phase |
| 09/30/2014 | US8847681 Combiner for Doherty amplifier |
| 09/30/2014 | US8847680 Enhanced doherty amplifier with asymmetrical semiconductors |
| 09/30/2014 | US8847678 Frequency compensation circuit for voltage regulator |
| 09/30/2014 | US8847677 Amplifier circuit |
| 09/25/2014 | WO2014152903A2 Envelope tracking power supply voltage dynamic range reduction |
| 09/25/2014 | WO2014152876A1 Noise conversion gain limited rf power amplifier |
| 09/25/2014 | WO2014151794A1 Lna with linearized gain over extended dynamic range |
| 09/25/2014 | WO2014150333A1 Split amplifiers with improved linearity |
| 09/25/2014 | WO2014150280A1 Radio frequency integrated circuit (rfic) charged-device model (cdm) protection |
| 09/25/2014 | WO2014150273A1 Adapative power amplifier |
| 09/25/2014 | WO2014149452A1 Method for envelope tracking multiple transmissions through a single power amplifier |
| 09/25/2014 | WO2014148188A1 Power amplification device and communications device |
| 09/25/2014 | WO2014147823A1 Power amplification device and communications device |
| 09/25/2014 | WO2014147732A1 Amplification device |
| 09/25/2014 | WO2014147167A1 Amplifier topology for envelope tracking |
| 09/25/2014 | WO2014146585A1 Doherty power amplification circuit and power amplifier |
| 09/25/2014 | US20140286360 Method and system for transmitting signals with reduced spurious emissions |
| 09/25/2014 | US20140285269 High Efficiency Amplification |
| 09/25/2014 | US20140285268 Radio frequency amplifying circuit and power amplifying module |
| 09/25/2014 | US20140285263 Power Supply with Tickle Pulse Injection |
| 09/25/2014 | US20140285262 Control device of power amplifier and method of controlling power amplifier |
| 09/25/2014 | US20140285261 Controlled power boost for envelope tracker |
| 09/25/2014 | US20140285260 Output Buffer Circuit Capable of Enhancing Stability |
| 09/25/2014 | DE102014103069A1 Strom wiederverwendendes breitbandiges rauscharmes aktives symmetrierglied Current wiederverwendendes broadband low-noise active balun |
| 09/25/2014 | DE102014004094A1 Vorverstärker zur Detektion geladener Teilchen Preamplifier for the detection of charged particles |
| 09/25/2014 | DE102013004673A1 Verfahren zum Betreiben eines Verstärkermoduls eines Satelliten A method of operating an amplifier module of a satellite |
| 09/24/2014 | EP2782248A1 Method for operating an amplifier module of a satellite |
| 09/24/2014 | EP2782247A1 Pseudo-envelope following power management system |
| 09/24/2014 | EP2782246A1 Pseudo-envelope following power management system |
| 09/24/2014 | EP2782245A1 Amplifier topology for envelope tracking |
| 09/24/2014 | EP2781019A1 Replaceable up-stream branch or up-stream amplifier |
| 09/24/2014 | EP2781018A1 System linearization |
| 09/24/2014 | EP2781017A2 Low noise auto-zero circuits for amplifiers |
| 09/24/2014 | EP2780772A1 Apparatus and methods for voltage converters |
| 09/23/2014 | US8843224 Method and system for controlling amplifiers |
| 09/23/2014 | US8843089 Pre-distortion for a radio frequency power amplifier |
| 09/23/2014 | US8842720 Pre-equalizer for a digitally modulated RF signal and method |
| 09/23/2014 | US8842399 ESD protection of an RF PA semiconductor die using a PA controller semiconductor die |
| 09/23/2014 | US8841967 Noise optimized envelope tracking system for power amplifiers |
| 09/23/2014 | US8841966 Sound output device using vacuum tube, audio apparatus and method for sound output thereof |
| 09/23/2014 | US8841963 Gigabit ethernet transceiver with analog front end |
| 09/23/2014 | US8841962 Leakage compensation for switched capacitor integrators |
| 09/23/2014 | US8841950 Pulse width modulation for switching amplifier |
| 09/18/2014 | WO2014145623A1 Transformer-based power amplifier stabilization and reference distortion reduction |
| 09/18/2014 | WO2014141539A1 Power amplifier and failure detection method |
| 09/18/2014 | WO2014141333A1 Communication device and method of minimizing distortion for same |
| 09/18/2014 | US20140268917 Isolated error amplifier for isolated power supplies |
| 09/18/2014 | US20140266468 Tracking power supply with increased boost capability |
| 09/18/2014 | US20140266467 System and method for reducing stress in a cascode common-source amplifier |
| 09/18/2014 | US20140266465 Apparatus and Method for Multilevel Lossless Outphasing Power Amplifier |
| 09/18/2014 | US20140266464 Apparatus and Method for Asymmetrically Driven Partial Outphasing Power Amplifier |
| 09/18/2014 | US20140266460 Scalable Periphery Tunable Matching Power Amplifier |
| 09/18/2014 | US20140266459 Rf power amplifier with pm feedback linearization |
| 09/18/2014 | US20140266457 Gain and phase calibration for closed loop feedback linearized amplifiers |
| 09/18/2014 | US20140266455 Variable impedance match and variable harmonic terminations for different modes and frequency bands |
| 09/18/2014 | US20140266449 Methods and apparatuses for slew rate enhancement of amplifiers |
| 09/18/2014 | US20140266444 Power amplifier system with supply modulation mitigation circuitry and methods |
| 09/18/2014 | US20140266443 High-frequency, broadband amplifier circuit |
| 09/18/2014 | US20140266442 Voltage controlled amplifier and method of using the same |
| 09/18/2014 | US20140266440 Offset cancellation with minimum noise impact and gain-bandwidth degradation |
| 09/18/2014 | US20140266438 Signal amplifying circuit for electromagnetic flow meter |
| 09/18/2014 | US20140266433 Systems and Methods for Optimizing Amplifier Operations |
| 09/18/2014 | US20140266432 Amplifier phase distortion correction based on amplitude distortion measurement |
| 09/18/2014 | US20140266431 Under-sampling digital pre-distortion architecture |
| 09/18/2014 | US20140266429 Power management/power amplifier operation under dynamic battery drops |
| 09/18/2014 | US20140266428 Envelope tracking power supply voltage dynamic range reduction |
| 09/18/2014 | US20140266427 Noise conversion gain limited rf power amplifier |
| 09/18/2014 | US20140266424 Bi-directional amplifier with a common signal detector |
| 09/18/2014 | US20140266423 Envelope Tracking System with Internal Power Amplifier Characterization |
| 09/18/2014 | US20140266422 DC Blocker for a High Gain Complex Circuit |
| 09/18/2014 | DE102007040861B4 Verstärkeranordnung und Verfahren zum Verstärken eines Signals An amplifier arrangement and method for amplifying a signal |
| 09/17/2014 | EP2779443A2 All digital zero-voltage switching |
| 09/17/2014 | EP2779442A1 Radio Frequency Domain Digital Pre-Distortion |
| 09/17/2014 | EP2779441A1 Under-sampling digital pre-distortion architecture |
| 09/17/2014 | EP2779440A2 Baseband digital pre-distortion architecture |
| 09/17/2014 | EP2779439A1 High-frequency, broadband amplifier circuit |
| 09/17/2014 | EP2779438A1 DC blocker for a high gain amplifier circuit |
| 09/17/2014 | EP2779437A1 Active Cascode Circuit using Backgate Control |
| 09/17/2014 | EP2779436A1 Linearization of heterogeneous power amplifier systems |
| 09/17/2014 | EP2777151A1 Broadband high efficiency amplifier system incorporating dynamic modulation of load impedance |
| 09/16/2014 | US8838017 Wideband jammer detector |
| 09/16/2014 | US8837635 Controlling a transmit path based on monitored error vector magnitude (EVM) performance |
| 09/16/2014 | US8837629 Extended bandwidth digital Doherty transmitter |
| 09/16/2014 | US8837620 Adaptive multi-channel transmitter linearization system using a shared feedback receiver |
| 09/16/2014 | US8836431 High-efficiency power amplifier with multiple power modes |