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)
06/2003
06/24/2003US6583667 High frequency CMOS differential amplifiers with fully compensated linear-in-dB variable gain characteristic
06/24/2003US6583664 Apparatus and method for efficiently amplifying wideband envelope signals
06/24/2003US6583661 Compensation mechanism for compensating bias levels of an operation circuit in response to supply voltage changes
06/24/2003US6583658 Balanced circuit arrangement
06/24/2003US6582043 Driving device and driving method for ink jet printing head
06/24/2003CA2347811C Feedforward amplifier
06/19/2003WO2003051011A1 Group delay precompensator
06/19/2003WO2003050948A1 Output stage configuration of an operational amplifier
06/19/2003WO2003050947A1 Wideband linear amplifier with predistortion error correction
06/19/2003WO2003050946A1 Rf amplifier with current mirror bias-boosting
06/19/2003US20030114182 Adaptive power amplifier
06/19/2003US20030112080 Temperature compensation device and electronic apparatus comprising such a device
06/19/2003US20030112078 Dynamic matching in cascode circuits
06/19/2003US20030112077 Amplifier with a MOS output stage
06/19/2003US20030112076 Power amplifier
06/19/2003US20030112075 High gain wideband driver amplifier
06/19/2003US20030112073 RF amplifier with current mirror bias-boosting
06/19/2003US20030112071 Driving method and related apparatus for improving power efficiency of an operational transconductance amplifier
06/19/2003US20030112070 Differential amplifier
06/19/2003US20030112068 Amplifier
06/19/2003US20030112067 Distributed RF power amplifier with load compensation
06/19/2003US20030112066 Feed forward amplifier with amplifier stage failure detection using pilot tones
06/19/2003US20030112064 Power amplifier
06/19/2003US20030112063 Switched amplifier
06/19/2003US20030112060 Circuits with dynamic biasing
06/19/2003US20030112059 Circuits with dynamic biasing
06/19/2003US20030112054 Phase correction circuit for transistor using high-frequency signal
06/18/2003EP1320190A1 A wideband predistortion linearizer
06/18/2003CN1424762A Multi-frequency band power amplifier
06/18/2003CN1111964C Device load variation protection circuit
06/18/2003CN1111954C Output-controlled power amplifier, radio communication terminal and radio communication base station
06/18/2003CN1111947C High speed and high gain operational amplifier
06/18/2003CN1111945C Linearization method and amplifier arrangement
06/17/2003US6580735 Ultra-linear laser drive circuit
06/17/2003US6580322 Dynamic switching frequency control for a digital switching amplifier
06/17/2003US6580321 Active clamping circuit for power amplifiers
06/17/2003US6580320 Signal processing apparatus
06/17/2003US6580319 Amplitude and phase transfer linearization method and apparatus for a wideband amplifier
06/17/2003US6580318 Method and apparatus for protecting radio frequency power amplifiers
06/17/2003US6580317 Low-noise broadband amplifier device having negative feedback via a controlled current source, and use of the amplifier device
06/17/2003US6580263 Bit rate discrimination device with temperature compensation function
06/12/2003WO2003049284A2 Integrated circuit with an amplifier
06/12/2003WO2003049281A1 Esd protection circuit for use in rf cmos ic design
06/12/2003WO2003049280A1 A low noise electronic circuit
06/12/2003WO2003049279A1 Amplifier with bias compensation using a current mirror circuit
06/12/2003WO2003049278A2 Signal processing element
06/12/2003WO2002019517A3 Power amplifier saturation detection and compensation
06/12/2003US20030109240 Method and polar-loop transmitter with origin offset for zero-crossing signals
06/12/2003US20030109222 Group delay precompensator for broadband radio frequency transmitter and method of operating the same
06/12/2003US20030108120 Predistortion amplifier
06/12/2003US20030107453 Signal combiner, a signal splitter and a circuit using a combiner and a splitter
06/12/2003US20030107450 Circuit for receiving an AC coupled broadband signal
06/12/2003US20030107441 Linear pre-amplifier for radio-frequency power amplifier
06/12/2003US20030107440 Power supply system for a high frequency power amplifier
06/12/2003US20030107438 Variable gain amplifier circuit
06/12/2003US20030107437 High speed linear variable gain amplifier architecture
06/12/2003US20030107436 Distortion reduction
06/12/2003US20030107435 Removing effects of gain and phase mismatch in a linear amplification with nonlinear components (LINC) system
06/12/2003US20030107434 Wideband linear amplifier with predistortion error correction
06/12/2003US20030107433 High frequency power amplifier and wireless communication module
06/12/2003US20030107430 Temperature compensated reference voltage circuit
06/12/2003US20030107412 Programmable peak detector for use with zero-overhead Class G line drivers
06/12/2003US20030107409 High speed, high common mode range, low delay comparator input stage
06/11/2003EP1318643A1 Method and device for performing adaptive predistortion
06/11/2003EP1318623A2 Method for obtaining field strength information
06/11/2003EP1318600A2 Distortion compensating circuit for compensating distortion occurring in power amplifier
06/11/2003EP1318599A1 Complementary electronic system for lowering electric consumption
06/11/2003EP1317802A2 Self-tuned millimeter wave rf transceiver module
06/11/2003EP1317776A2 Cmos transceiver having an integrated power amplifier
06/11/2003EP1066680B1 Predistorter
06/11/2003EP0962048B1 System for high power RF plasma processing
06/11/2003CN1423857A High-efficiency power modulators
06/11/2003CN1423496A Predistortion amplifying apparatus
06/11/2003CN1111317C High input impedance single ended, low supply voltage magnetoresistive preamplifier circuits
06/10/2003US6577737 Method of detecting a DC offset in an automotive audio system
06/10/2003US6577677 Method and apparatus for analog bias current optimization
06/10/2003US6577269 Radar detection method and apparatus
06/10/2003US6577200 High-frequency semiconductor device
06/10/2003US6577197 High frequency compensation circuit for high frequency amplifiers
06/10/2003US6577193 Linear power amplifying apparatus
06/10/2003US6577192 Predistortion-type distortion compensation amplifying apparatus
06/10/2003US6577189 Scheme for reducing transmit-band noise floor and adjacent channel power with power backoff
06/10/2003US6577187 Powered transducer preamplifier with DC level shifting circuit
06/10/2003US6577186 PWM limiter
06/10/2003US6577185 Multi-stage operational amplifier for interstage amplification in a pipeline analog-to-digital converter
06/10/2003US6577177 Non-linear distortion generator
06/05/2003WO2003047103A1 Switch mode power supply and driving method for efficient rf amplification
06/05/2003WO2003047094A1 High-frequency power amplification apparatus and power amplifier module using the same
06/05/2003WO2003047093A1 Composite amplifier
06/05/2003WO2003046374A1 High-frequency ignition for an internal combustion engine
06/05/2003WO2003036790A3 Variable gain amplifier with autobiasing supply regulation
06/05/2003WO2003012981B1 Active element bias circuit for rf power transistor input
06/05/2003WO2002067441A3 Calibration of in-phase and quadrature transmit branches of a transmitter
06/05/2003WO2002056462A9 Gain and bandwidth enhancement for rf power amplifier package
06/05/2003US20030104795 Method and circuit for obtaining field strength information
06/05/2003US20030104794 Adaptive digital predistortion method and apparatus for wireless transmitter
06/05/2003US20030104792 Distortion compensating circuit for compensating distortion occurring in power amplifier
06/05/2003US20030103029 Offset cancel circuit of voltage follower equipped with operational amplifier
06/05/2003US20030102924 Power amplifier module
06/05/2003US20030102923 ESD protection circuit for use in RF CMOS IC design
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