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)
06/2003
06/24/2003US6583658 Balanced circuit arrangement
06/24/2003US6583652 Highly linear programmable transconductor with large input-signal range
06/24/2003US6583400 Multichannel receiver circuit for parallel reception
06/24/2003US6582043 Driving device and driving method for ink jet printing head
06/19/2003WO2003051011A1 Group delay precompensator
06/19/2003WO2003034185A3 Method and system for dsl power saving
06/19/2003US20030112543 Common mode transient reduction circuit for improving transient response of an operational transconductance amplifier
06/19/2003US20030112076 Power amplifier
06/19/2003US20030112075 High gain wideband driver amplifier
06/19/2003US20030112072 Exponential function generator embodied by using a CMOS process and variable gain amplifier employing the same
06/19/2003US20030112071 Driving method and related apparatus for improving power efficiency of an operational transconductance amplifier
06/19/2003US20030112070 Differential amplifier
06/19/2003US20030112069 Exponential transconductance 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
06/19/2003US20030112065 Low noise amplifier circuit wih phase matched switch topology
06/19/2003US20030112064 Power amplifier
06/19/2003US20030112060 Circuits with dynamic biasing
06/19/2003US20030112059 Circuits with dynamic biasing
06/19/2003US20030112058 Squelch circuit to create a squelch waveform for USB 2.0
06/19/2003US20030112054 Phase correction circuit for transistor using high-frequency signal
06/19/2003US20030111673 Semiconductor integrated circuit
06/19/2003US20030111604 Photo-receiver arrangement
06/18/2003EP1320190A1 A wideband predistortion linearizer
06/18/2003EP1319965A2 Evaluation circuit and signal processing method
06/18/2003EP1319224A2 Dynamic power sharing in a multi-channel sound system
06/18/2003EP1319206A1 Biasing circuits
06/18/2003CN1424762A Multi-frequency band power amplifier
06/18/2003CN1111954C Output-controlled power amplifier, radio communication terminal and radio communication base station
06/18/2003CN1111948C Dual band transmitter
06/18/2003CN1111947C High speed and high gain operational amplifier
06/18/2003CN1111946C Shunt regulatable push-pull circuit with wide frequency range
06/17/2003US6580797 Amplifier circuit for electret microphone with enhanced performance
06/17/2003US6580760 Line drive architecture with programmable gain and drive
06/17/2003US6580553 Automatic gain control device of optical fiber amplifier
06/17/2003US6580327 Electronically controllable slope equalizer
06/17/2003US6580326 High-bandwidth low-voltage gain cell and voltage follower having an enhanced transconductance
06/17/2003US6580325 Amplifier with miller-effect frequency compensation
06/17/2003US6580324 Apparatus, method and system for common-mode stabilization in circuits having differential operation
06/17/2003US6580323 Interface circuit for a differential signal
06/17/2003US6580322 Dynamic switching frequency control for a digital switching amplifier
06/17/2003US6580321 Active clamping circuit for power amplifiers
06/17/2003US6580317 Low-noise broadband amplifier device having negative feedback via a controlled current source, and use of the amplifier device
06/17/2003US6580316 Power transistor module, power amplifier and methods in the fabrication thereof
06/17/2003US6580315 System and method of maintaining an amplifier common-mode output voltage
06/12/2003WO2003049290A1 A method of impulse acreage modulation digital power processing and its device
06/12/2003WO2003049284A2 Integrated circuit with an amplifier
06/12/2003WO2003049282A1 Fully-differentiated differential amplifier with high input impedance
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
06/12/2003WO2003049145A2 Switched-mode power amplifier integrally performing power combining
06/12/2003US20030110199 Multiplier
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
06/12/2003US20030108215 Frequency threshold audio activity detector
06/12/2003US20030108098 Pulse width modulated controller
06/12/2003US20030107453 Signal combiner, a signal splitter and a circuit using a combiner and a splitter
06/12/2003US20030107441 Linear pre-amplifier for radio-frequency power amplifier
06/12/2003US20030107439 Current amplifier
06/12/2003US20030107438 Variable gain amplifier circuit
06/12/2003US20030107437 High speed linear variable gain amplifier architecture
06/12/2003US20030107435 Removing effects of gain and phase mismatch in a linear amplification with nonlinear components (LINC) system
06/12/2003US20030107433 High frequency power amplifier and wireless communication module
06/12/2003US20030107432 Switched capacitor amplifier with high throughput architecture
06/12/2003US20030107431 Balancing gate-leakage current in differential pair circuits
06/12/2003US20030107429 Current source circuit
06/12/2003US20030107413 Half sine wave resonant drive circuit
06/12/2003US20030106989 Evaluation circuit and a signal processing method
06/11/2003EP1318643A1 Method and device for performing adaptive predistortion
06/11/2003EP1318605A2 Half sine wave resonant drive circuit
06/11/2003EP1318601A2 Voltage mode differential driver and method
06/11/2003EP1318599A1 Complementary electronic system for lowering electric consumption
06/11/2003EP1317776A2 Cmos transceiver having an integrated power amplifier
06/11/2003EP0962048B1 System for high power RF plasma processing
06/11/2003CN2555588Y Fore card of amplifier
06/11/2003CN1423859A Digital-to-analog interface circuit having adjustable time response
06/11/2003CN1423857A High-efficiency power modulators
06/11/2003CN1423418A Semi sine-wave resonance exciting circuit
06/11/2003CN1423416A Generalized second-generation current transmission device
06/11/2003CN1111317C High input impedance single ended, low supply voltage magnetoresistive preamplifier circuits
06/10/2003US6577200 High-frequency semiconductor device
06/10/2003US6577199 Harmonic matching network for a saturated amplifier
06/10/2003US6577195 Bipolar differential amplifier
06/10/2003US6577194 Resonant gate drive technique for a digital power amplifier
06/10/2003US6577188 Variable gain amplifier
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
06/10/2003US6577184 Switched-capacitor, common-mode feedback circuit for a differential amplifier without tail current
06/10/2003US6577183 Offset correction circuit
06/10/2003US6577170 CMOS transconductor with increased dynamic range
06/10/2003US6576937 Semiconductor device and power amplifier using the same
06/05/2003WO2003047096A1 Compensation circuit for frequency filters
06/05/2003WO2003047094A1 High-frequency power amplification apparatus and power amplifier module using the same
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
06/05/2003US20030103361 Systems and methods for pulse width modulation
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