Patents
Sitemap › H03 - Basic electronic circuitry › H03F - Amplifiers › H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008)
11/2012
11/29/2012US20120299657 Multi-mode power amplifier
11/29/2012US20120299656 Amplifier Component Comprising A Compensation Element
11/29/2012US20120299655 Voltage regulators, amplifiers, memory devices and methods
11/29/2012US20120299654 Power amplifier and method for amplifying signal based on power amplifier
11/29/2012US20120299653 Receiver circuits for differential and single-ended signals
11/29/2012US20120299652 Multi-autonomous electronic amplifier
11/29/2012US20120299647 Pa envelope power supply undershoot compensation
11/29/2012US20120299645 Temperature correcting an envelope power supply signal for rf pa circuitry
11/29/2012US20120299644 System and a method for amplifying a signal by multiple non-linear power amplifiers
11/29/2012US20120298844 Optical receiving device
11/29/2012DE112010002926T5 Elektrometer mit breitem Dynamikbereich und schneller Reaktion Electrometer with a wide dynamic range and fast response
11/29/2012DE10128570B4 Verbesserte Anstiegsgeschwindigkeit in Verstärkerschaltungen Improved rate of rise in amplifier circuits
11/28/2012EP2528230A1 Signal processing
11/28/2012EP2528229A1 Multi-band power amplifier
11/28/2012CN202565232U Charge amplifier
11/28/2012CN202565231U V-shaped electronic tube amplifier
11/28/2012CN202565230U Radio-frequency power amplifier achieved through complementary metal-oxide-semiconductor (CMOS) process
11/28/2012CN202565229U High-frequency A-C class power amplifier
11/28/2012CN202565228U TDD high-power transmit-receive switch
11/28/2012CN202565227U Audio power amplifier chip
11/28/2012CN102804595A Improving input impedance of low noise preamplifiers used for MRI
11/28/2012CN102801537A Digital power amplification system of Ethernet power source electricity network
11/28/2012CN102801394A Novel helix protection method and device for domestic travelling wave tube amplifier
11/28/2012CN102801393A Guide changing type high-fidelity power amplifier
11/28/2012CN102801392A Radio frequency power amplification device
11/28/2012CN102801391A Modular feedforward power amplifier
11/28/2012CN102801389A Ultra-low power consumption low-noise amplifier
11/28/2012CN102798479A Amplifying circuit of thermocouple and temperature monitoring system
11/28/2012CN101785178B Circuitry and method for reducing second and third-order nonlinearities
11/28/2012CN101605287B Integrated circuit used for providing microphone interface
11/28/2012CN101465623B Differential amplifier with symmetric ciruict topology
11/27/2012US8320864 Method and system for multiple tuner application using a low noise broadband distribution amplifier
11/27/2012US8320211 Current-sense amplifier with low-offset adjustment and method of low-offset adjustment thereof
11/27/2012US8319580 Attenuator
11/27/2012US8319562 System and method for amplifying a signal using multiple amplification stages sharing a common bias current
11/27/2012US8319561 Amplifiers with depletion and enhancement mode thin film transistors and related methods
11/27/2012US8319560 Switched active bias control and power-on sequencing circuit for an amplifier
11/27/2012US8319559 Active bias control circuit for an amplifier and method of power up sequencing the same
11/27/2012US8319558 Bias-based linear high efficiency radio frequency amplifier
11/27/2012US8319557 Integrated linear power detection in an RF power amplifier
11/27/2012US8319556 Transformer coupled distributed amplifier
11/27/2012US8319554 Amplifier with start-up common mode feedback
11/27/2012US8319553 Apparatus and methods for biasing amplifiers
11/27/2012US8319552 Rail-to-rail output stage with balanced drive
11/27/2012US8319551 Method and system for improving limiting amplifier phase noise for low slew-rate input signals
11/27/2012US8319549 Self-healing power amplifier: methods and apparatus
11/22/2012WO2012159050A1 Adaptive rf saturation detection in a wireless device implementing multiple wireless protocols
11/22/2012WO2012158431A1 Current buffer
11/22/2012WO2012158429A1 Positive feedback common gate low noise amplifier
11/22/2012WO2012158419A1 Power supply with rectifier protection
11/22/2012WO2012157645A1 Power amplifier and operating method for same
11/22/2012WO2012157463A1 Semiconductor device
11/22/2012WO2012157418A1 Power supply device, transmission device using same, and method for operating power supply device
11/22/2012WO2012157296A1 Amplifier circuit and wireless communication device
11/22/2012WO2012156947A1 Amplifier
11/22/2012WO2012156946A1 Radio frequency integrated circuit
11/22/2012WO2012156945A1 Amplifier
11/22/2012WO2012156754A1 Amplifier for electrostatic transducers
11/22/2012WO2012156748A1 Charge-sensitive amplifier
11/22/2012US20120295556 Signal transceiver
11/22/2012US20120293268 Narrowband amplifier with improved interference suppression
11/22/2012US20120293267 Lna circuit for use in a low-cost receiver circuit
11/22/2012US20120293266 Power Amplifiers with Improved Efficiency Over Power Control
11/22/2012US20120293265 Radio Frequency Integrated Circuit
11/22/2012US20120293264 Power Control for Linear and Class AB Power Amplifiers
11/22/2012US20120293263 Operational amplifier
11/22/2012US20120293262 Amplifier
11/22/2012US20120293261 Amplifier with Start-up Common Mode Feedback
11/22/2012US20120293260 Low-Offset Current-Sense Amplifier and Operating Method Thereof
11/22/2012US20120293259 Amplifier
11/22/2012US20120293258 Input common mode circuit for a fully differential amplifier
11/22/2012US20120293257 High frequency power amplifier
11/22/2012US20120293256 Switching amplifier
11/22/2012US20120293252 Systems and Methods of RF Power Transmission, Modulation, and Amplification, Including Varying Weights of Control Signals
11/22/2012US20120293251 Doherty power amplifier and implementation method thereof
11/22/2012US20120293249 Power amplifier insensitive to load impedance changes
11/22/2012DE19946750B4 Zweischritt-Analog-Digital-Wandler und -Verfahren Two-step analog-to-digital converter and method
11/22/2012DE10321442B4 Treiberschaltung Driver circuit
11/22/2012DE102012009835A1 Eingangsgleichtaktschaltung für einenvolldifferenzverstärker Input common-mode circuit for a fully differential amplifier
11/21/2012EP2525488A1 Amplifying device and signal processing device
11/21/2012EP2524568A1 High efficiency, remotely reconfigurable remote radio head unit system and method for wireless communications
11/21/2012EP2524425A1 An amplifier circuit with step gain
11/21/2012CN202550975U 950MHz-1250MHz 300W power amplifier
11/21/2012CN202550974U P-band 200W power amplifier
11/21/2012CN202550973U UHF (ultrahigh frequency) waveband 200W power amplifier
11/21/2012CN202550972U Very high frequency (VHF) wave band 1500-watt power amplifier
11/21/2012CN202550971U Transparency compensation circuit for vacuum tube amplifier
11/21/2012CN202550970U High-frequency compensation circuit of vacuum tube amplifier
11/21/2012CN202550969U Two-way digital proportional valve amplifier
11/21/2012CN202550968U Open-loop digital proportional valve amplifier
11/21/2012CN202550967U L-waveband 50W power amplifier
11/21/2012CN202550965U Avalanche photodiode detection circuit
11/21/2012CN202549844U Image sensor and source follower
11/21/2012CN102792586A Digital amplifier
11/21/2012CN102792585A Versatile audio power amplifier
11/21/2012CN102792584A Planar audio amplifier output inductor with current sense
11/21/2012CN102792583A Reducing pulse error distortion
11/21/2012CN102790595A Single ended differential gain amplifier with configurable radio frequency broadband gain
11/21/2012CN102790593A Parallel-resistance feedback differential low-noise amplifier
11/21/2012CN102790592A Multi-function amplification circuit board and amplification circuit realized by using circuit board
1 ... 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 ... 441