Patents
Sitemap › H03 - Basic electronic circuitry › H03F - Amplifiers › H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272)
06/2010
06/16/2010CN1868118B Method and apparatus for resetting a buffer amplifier
06/16/2010CN1833418B Digital predistortion system and method for correcting memory effects within an RF power amplifier
06/16/2010CN1758443B High voltage operating field effect transistor, and bias circuit therefor and high voltage circuit thereof
06/16/2010CN101743688A Amplifier circuit and method therefor
06/16/2010CN101742381A Denoising drive circuit and method
06/16/2010CN101742379A Turn-on muting control circuit of sound equipment
06/16/2010CN101741787A Predistortion fast-convergence method and system for collecting training data
06/16/2010CN101741479A Joint test method for maximum power regression and adjacent channel leakage ratio
06/16/2010CN101741327A Compensated operational amplification circuit and related method
06/16/2010CN101741323A Radio frequency power amplifier
06/16/2010CN101741322A Power amplifiers with discrete power control
06/16/2010CN101741320A Wide-area high-resolution programmable gain amplifier
06/16/2010CN101741319A Heat regulating device and method for D-type audio amplifier and D-type audio amplifier with heat regulation
06/16/2010CN101741318A Method for controlling degree of distortion of sine vibrating table
06/16/2010CN101741317A Digital predistortion linear broadband radio-frequency power amplifier device
06/16/2010CN101741316A Gain variable broadband radio frequency low-noise amplifier
06/16/2010CN101325404B Frequency-hopping carrier generator
06/16/2010CN101216526B Feedforward loop circuit synchronous detection device
06/16/2010CN101124723B Current limiting circuit for RF power amplifier
06/16/2010CN101076281B Apparatus and method for reducing interference
06/15/2010US7739522 Efficient power supply for rapidly changing power requirements
06/15/2010US7737779 Method of and circuit for reducing distortion in a power amplifier
06/15/2010US7737778 Adaptive predistortion for a transmit system
06/15/2010US7737777 Amplifiers with compensation
06/15/2010US7737775 Low-noise DC offset calibration circuit and related receiver stage
06/15/2010US7737774 Electronic circuit with compensation of intrinsic offset of differential pairs
06/15/2010US7737753 Method and device for adjusting or setting an electronic device
06/10/2010WO2010065243A2 Hybrid power control for a power amplifier
06/10/2010WO2010064442A1 Received light amplification circuit and optical disc device
06/10/2010WO2010063616A1 Operational transconductance amplifier having two amplification stages.
06/10/2010US20100145660 Mems sensor with built-in self-test
06/10/2010US20100141490 Model based distortion reduction for power amplifiers
06/10/2010US20100141339 Apparatus and Method for Broadband Amplifier Linearization
06/10/2010DE102009056353A1 Programmierbares Kompensationsnetzwerk für Operationsverstärker Programmable compensation network for operational amplifiers
06/10/2010CA2743484A1 Hybrid power control for a power amplifier
06/09/2010EP2194684A1 Transmitter-receiver amplifier and method for compensating delay deviation
06/09/2010EP2193603A1 High-swing operational amplifier output stage using adaptive biasing
06/09/2010EP2193602A1 Protection circuit for mosfet
06/09/2010EP2193601A2 A distributed low noise amplifier
06/09/2010CN1977459B Transmission apparatus, communication apparatus and mobile radio apparatus
06/09/2010CN1930784B Transmission device and radio communication device
06/09/2010CN1677870B Linearity compensation by harmonic cancellation
06/09/2010CN101729029A Electronic devices with calibrated radio frequency communications circuitry
06/09/2010CN101729028A Amplifier device
06/09/2010CN101729026A Feedback shift (FBS) type compensating network and application in audio power amplifier thereof
06/09/2010CN101729025A Sectioned linear transformation method
06/09/2010CN101726713A Preamplifier of high-field nuclear magnetic resonance spectrometer 1H/19F channel
06/09/2010CN101247108B Integrated digital predistortion power amplifier
06/08/2010US7733177 Method and system for calculating the pre-inverse of a nonlinear system
06/08/2010US7733174 Feedback controlled power limiting for signal amplifiers
06/08/2010US7733173 Unilateral feedback power amplifier and method for realizing the same
06/08/2010US7733169 Slew rate and settling time improvement circuitry and method for 3-stage amplifier
06/08/2010US7733168 Fully differential comparator and fully differential amplifier
06/08/2010US7733156 Transistor arrangement, integrated circuit and method for operating field effect transistors
06/03/2010WO2010062618A1 Esd protection for field effect transistors of analog input circuits
06/03/2010WO2010062026A1 Sensor circuit
06/03/2010WO2010060892A1 Dynamically biased amplifier
06/03/2010WO2010060809A1 An electronic device
06/03/2010WO2010038227A3 Wireless base station design
06/03/2010US20100134190 Programmable Compensation Network for Operational Amplifiers
06/03/2010US20100134188 Buffer amplifier
06/03/2010US20100132490 Fully differential demodulator with variable gain, and method for demodulating a signal
06/02/2010EP2192687A2 Amplifier and amplifier switch with switched capacity
06/02/2010EP2191575A1 Power amplifier controller with polar transmitter
06/02/2010EP2191567A1 Multi-way doherty amplifier
06/02/2010EP1573904B1 Preserving linearity of an isolator-free power amplifier by dynamically switching active devices
06/02/2010EP1085668B1 A method and apparatus for reducing adjacent channel power in wireless communication systems
06/02/2010DE102008059734A1 Verstärker und Verstärkerschaltung mit geschalteter Kapazität Amplifier and amplifier circuit switched capacitor
06/02/2010DE102008053293B3 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
06/02/2010CN201499137U Power amplifier
06/02/2010CN201499136U P-band self-selected frequency linear power amplifier
06/02/2010CN201499134U Digital predistortion power amplifier
06/02/2010CN201499133U Gain adjustable amplifier, function converter and non-linear corrector thereof
06/02/2010CN201498575U Harmonic suppression device
06/02/2010CN101719757A Over-current protection circuit of power amplifier and implementing method
06/02/2010CN101330276B Digital predistortion power amplifier and implementing method thereof
06/02/2010CN101291138B Operation amplifier and its flash noise reducing method
06/02/2010CN101197558B Feed-forward amplifier
06/02/2010CN101184070B Hundred mega broadband digital predistortion power amplifier device and method
06/02/2010CN101061473B Low-complexity nonlinear filters
06/02/2010CN101027836B Improved linear power amplifier
06/01/2010US7729678 Controllable power operational transconductance amplifier
06/01/2010US7729668 Independence between paths that predistort for memory and memory-less distortion in power amplifiers
06/01/2010US7729491 Method and device for amplifying a reception signal
06/01/2010US7729420 Reconditioning equalizer filter for OFDM and non-OFDM signals
06/01/2010US7729419 Reconditioning equalizer filter using convolution
06/01/2010US7729115 Electrical apparatus and cooling system
06/01/2010US7728689 Pulse width modulator system
06/01/2010US7728671 Semiconductor power device with bias circuit
06/01/2010US7728665 Distortion compensation apparatus and method
06/01/2010US7728662 Saturated power amplifier with selectable and variable output power levels
06/01/2010US7728661 Controlling power with an output network
06/01/2010US7728658 Low-noise, low-distortion digital PWM amplifier
06/01/2010CA2497038C Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratios
05/2010
05/27/2010WO2010060107A1 Techniques for improving transmitter performance
05/27/2010WO2010059290A2 Constructive feedback traveling wave device and method
05/27/2010WO2010057773A1 Power supply arrangement for multi-stage amplifier
05/27/2010US20100128898 Method and apparatus for operation sequencing of audio amplifiers
05/27/2010US20100127950 Reconfigurable radiation densensitivity bracket systems and methods
05/27/2010US20100127782 Common Centroid Electrostatic Discharge Protection for Integrated Circuit Devices
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