| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 06/09/2010 | CN101183855B D-type amplifier |
| 06/09/2010 | CN101170300B High-frequency power amplifier |
| 06/09/2010 | CN101145763B Rf amplifier |
| 06/09/2010 | CN101132174B Drive circuit |
| 06/08/2010 | US7733815 Data sampler including a first stage and a second stage |
| 06/08/2010 | US7733187 High frequency power amplifier |
| 06/08/2010 | US7733186 Bias circuit and amplifier using the same |
| 06/08/2010 | US7733185 Distributed amplifier and integrated circuit |
| 06/08/2010 | US7733183 Reconfigurable distributed active transformers |
| 06/08/2010 | US7733182 Hybrid class AB super follower |
| 06/08/2010 | US7733181 Amplifier circuit having dynamically biased configuration |
| 06/08/2010 | US7733180 Amplifier for driving external capacitive loads |
| 06/08/2010 | US7733179 Combination trim and CMFB circuit and method for differential amplifiers |
| 06/08/2010 | US7733178 High efficiency audio amplifier |
| 06/08/2010 | US7733172 DC self-biased vacuum tube differential amplifier with grid-to-cathode over-voltage protection |
| 06/08/2010 | US7733171 Class D amplifier having PWM circuit with look-up table |
| 06/08/2010 | US7733170 Switching amplifier and its modulation process |
| 06/08/2010 | US7733156 Transistor arrangement, integrated circuit and method for operating field effect transistors |
| 06/03/2010 | WO2010062834A1 Low voltage differential signaling driver with programmable on-chip resistor termination |
| 06/03/2010 | WO2010062547A1 Self auto-calibration of analog circuits in a mixed signal integrated circuit device |
| 06/03/2010 | WO2010062533A2 Power amplifier saturation detection |
| 06/03/2010 | WO2010062451A1 Determining intercardiac impedance |
| 06/03/2010 | WO2010061513A1 Phase-compensated pulse width modulation circuit and digital/analog conversion device |
| 06/03/2010 | WO2010060809A1 An electronic device |
| 06/03/2010 | US20100134190 Programmable Compensation Network for Operational Amplifiers |
| 06/03/2010 | US20100134189 Radio frequency amplifier circuit and mobile communication terminal using the same |
| 06/03/2010 | US20100134188 Buffer amplifier |
| 06/03/2010 | US20100134187 Methods and apparatus to reduce idle current in power amplifiers |
| 06/03/2010 | US20100134186 Low power operational amplifier |
| 06/03/2010 | US20100134185 Audio amplifier |
| 06/02/2010 | EP2191575A1 Power amplifier controller with polar transmitter |
| 06/02/2010 | DE102009051627A1 Mehrschichtverstärkermodul Multilayer amplifier module |
| 06/02/2010 | DE102008059734A1 Verstärker und Verstärkerschaltung mit geschalteter Kapazität Amplifier and amplifier circuit switched capacitor |
| 06/02/2010 | DE102008053293B3 Trans-impedance converter for connection of photodiode for optical device, has amplifier unit, feedback device which is connected with amplifier unit output and amplifier unit input |
| 06/02/2010 | CN201499290U Acoustic power amplification device |
| 06/02/2010 | CN201499138U Automatic gain control circuit of power amplifier |
| 06/02/2010 | CN201499137U Power amplifier |
| 06/02/2010 | CN201499136U P-band self-selected frequency linear power amplifier |
| 06/02/2010 | CN201499135U Automobile analog power amplifier |
| 06/02/2010 | CN201499134U Digital predistortion power amplifier |
| 06/02/2010 | CN101719758A Coaxial integrated GPS line amplifier |
| 06/02/2010 | CN101304239B Power amplification circuit, radio frequency transmitter as well as base station equipment |
| 06/02/2010 | CN101291138B Operation amplifier and its flash noise reducing method |
| 06/02/2010 | CN101207371B Matching circuit and dual-band power amplifier |
| 06/02/2010 | CN101197558B Feed-forward amplifier |
| 06/02/2010 | CN101183856B Operational amplifier circuit, bandpass filter circuit, and infrared signal processing circuit |
| 06/01/2010 | US7729678 Controllable power operational transconductance amplifier |
| 06/01/2010 | US7729667 System and method for intermodulation distortion cancellation |
| 06/01/2010 | US7729491 Method and device for amplifying a reception signal |
| 06/01/2010 | US7729420 Reconditioning equalizer filter for OFDM and non-OFDM signals |
| 06/01/2010 | US7729419 Reconditioning equalizer filter using convolution |
| 06/01/2010 | US7728696 Harmonic termination of power amplifiers using BAW filter output matching circuits |
| 06/01/2010 | US7728689 Pulse width modulator system |
| 06/01/2010 | US7728673 Wideband active balun using darlington pair |
| 06/01/2010 | US7728672 RF amplifier |
| 06/01/2010 | US7728670 Method and apparatus for an amplifier |
| 06/01/2010 | US7728669 Output stage circuit and operational amplifier thereof |
| 06/01/2010 | US7728668 Variable-gain amplification circuit, receiver and receiver IC |
| 06/01/2010 | US7728667 Differential amplifier |
| 06/01/2010 | US7728666 Close-loop class-D audio amplifier and control method thereof |
| 06/01/2010 | US7728663 Integrated implementation of a voltage boost follower and method therefor |
| 06/01/2010 | US7728661 Controlling power with an output network |
| 06/01/2010 | US7728660 Audio signal processing system and method |
| 06/01/2010 | US7728659 Arrangement for amplifying a PWM input signal |
| 06/01/2010 | US7728658 Low-noise, low-distortion digital PWM amplifier |
| 06/01/2010 | US7728269 Photoarray for detecting time-dependent image data |
| 06/01/2010 | CA2494265C Differential class-d amplifier/driver |
| 05/27/2010 | WO2010059290A2 Constructive feedback traveling wave device and method |
| 05/27/2010 | WO2010057900A1 Analog-to-digital conversion device, preferably for mobile telephony |
| 05/27/2010 | WO2010008226A3 Switching power amplifier and method of controlling the same |
| 05/27/2010 | US20100128912 Logarithmic Compression Systems and Methods for Hearing Amplification |
| 05/27/2010 | US20100128545 Sense amplifier and semiconductor memory device using it |
| 05/27/2010 | US20100127950 Reconfigurable radiation densensitivity bracket systems and methods |
| 05/27/2010 | US20100127783 Switching low noise amplifier |
| 05/27/2010 | US20100127782 Common Centroid Electrostatic Discharge Protection for Integrated Circuit Devices |
| 05/27/2010 | US20100127781 Radio frequency power amplifier |
| 05/27/2010 | US20100127780 Power amplifiers with discrete power control |
| 05/27/2010 | US20100127777 Power amplifier and liquid jet printing apparatus |
| 05/27/2010 | US20100127776 Amplifier with bias circuit providing improved linearity |
| 05/27/2010 | US20100127775 Amplifier for driving external capacitive loads |
| 05/26/2010 | EP2190114A1 Local broadcasting system |
| 05/26/2010 | EP2188890A2 Broadband power amplifier |
| 05/26/2010 | EP2119000B1 Chopper-stabilized instrumentation amplifier for impedance measurement |
| 05/26/2010 | EP1341303B1 High-frequency amplifier |
| 05/26/2010 | CN201490976U Fully differential in-phase parallel amplifying device for acquiring bioelectric signal |
| 05/26/2010 | CN201490975U Digital power amplifier |
| 05/26/2010 | CN201490974U High-linearity short-waveband 20W power amplifier |
| 05/26/2010 | CN201490972U Infrared signal precise amplifying circuit |
| 05/26/2010 | CN201490971U Non-stop output final circuit of audio power amplifier |
| 05/26/2010 | CN201490969U Bilateral amplifying circuit triggered by network card |
| 05/26/2010 | CN201490891U High-frequency transformation power supply and audio power amplifier processing circuit provided with same |
| 05/26/2010 | CN201489551U fingerprint identifier |
| 05/26/2010 | CN1913345B Push-pull amplifier with transformational negative feedback |
| 05/26/2010 | CN1871798B Device, system and method for data communication |
| 05/26/2010 | CN1835395B Class-D amplifier |
| 05/26/2010 | CN1797941B Pulse width modulation amplifier |
| 05/26/2010 | CN1714500B Composite power amplifier and its drive method, wireless terminal |
| 05/26/2010 | CN1656673B Fast cascaded class AB output stage with FET devices |
| 05/26/2010 | CN1648800B Method for obtaining time information and radio clock |
| 05/26/2010 | CN1625834B Output circuit for a semiconductor amplifier element |