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)
07/2003
07/24/2003WO2001099274A3 Audio amplifier power and temperature controller having network detecting and associated methods
07/24/2003US20030140320 Layout technique for matched resistors on an integrated circuit substrate
07/24/2003US20030139159 Protective circuit and radio frequency device using the same
07/24/2003US20030138112 Single supply headphone driver/charge pump combination
07/24/2003US20030137353 System and method for a programmable gain amplifier
07/24/2003US20030137352 Variable gain amplifier circuitry in automatic gain control
07/24/2003US20030137350 Linear variable gain amplifiers
07/24/2003US20030137349 System and method for a startup circuit for a differential CMOS amplifier
07/24/2003US20030137347 High frequency power amplifier and wireless communication module
07/24/2003US20030137346 Transmitter including a composite amplifier
07/24/2003US20030137345 Input buffer amplifier with centroidal layout
07/24/2003US20030137341 Method and system for charge pump active gate drive
07/24/2003US20030137289 Comparator circuit for differential swing comparison and common-mode voltage comparison
07/24/2003CA2473619A1 Charge or particle sensing
07/23/2003EP1330057A1 Electric field intensity detecting circuit and limiter amplifier
07/23/2003EP1330022A2 Electric circuit
07/23/2003EP1330021A2 Switchable power amplifier
07/23/2003EP1329021A2 Power amplifier circuitry and method
07/23/2003EP1329020A2 Amplifier having stacked current-driven current drivers
07/23/2003EP1328962A1 Amplified cmos transducer for single photon read-out of photodetectors
07/23/2003EP1328958A1 Magnet, vacuum electron devices and communication systems
07/23/2003CN1431772A Single end point sensing amplitier
07/23/2003CN1431643A Data drive circuit of current writing-in active matrix organic electroluminescence displaying panel
07/23/2003CN1115794C Method and arrangement for adapting, from DC point of view, first circuit to at least one second circuit
07/23/2003CN1115778C Mute control circuit
07/23/2003CN1115773C Multiple preamplifier circuit for TV tuner
07/23/2003CN1115772C Electronic circuit for converting differential signal into single-ended signal by resistor network
07/23/2003CN1115771C Differential amplifier
07/23/2003CN1115770C 1-bit wholly digitalized efficient power amplifier
07/22/2003US6597650 Nonlinearity compensation circuit and method, control circuit and method for nonlinearity compenstation circuit and recording and/or playback apparatus employing the same
07/22/2003US6597243 Distributed amplifier having a tapered transconductance architecture
07/22/2003US6597241 High performance audio transmission channel
07/22/2003US6597240 Circuits and methods for slew rate control and current limiting in switch-mode systems
07/22/2003US6597239 Offset control of an operational amplifier
07/22/2003US6597207 Vernier structures that substantially eliminate offset signals
07/17/2003WO2003058815A1 Circuit and method for processing afc signals
07/17/2003WO2003058798A1 Pwm controller with single-cycle response
07/17/2003WO2003058656A2 High power variable slide rf tuner
07/17/2003WO2002071597A3 Circuit arrangement for providing an exponential pre-distortion for an adjustable amplifier
07/17/2003US20030134606 Class-L radio power-output amplifier
07/17/2003US20030132930 Electric circuit
07/17/2003US20030132872 Tail current node equalization for a variable offset amplifier
07/17/2003US20030132803 Differential amplifier
07/17/2003US20030132801 Switchable power amplifier
07/17/2003US20030132800 Amplifier arrangement
07/17/2003US20030132793 Signal amplitude limiting circuit and filter circuit
07/17/2003US20030132779 Receiver circuit of semiconductor integrated circuit
07/16/2003EP1327972A2 Data drive circuit for current writing type active matrix organic luminescent display panel
07/16/2003EP1327930A2 Low-voltage drive circuit for a sensor coil
07/16/2003EP1327308A2 System for closed loop power control using a linear or a non-linear power amplifier
07/16/2003EP1327301A2 Amplification circuit with improved linearity
07/16/2003EP1327299A1 Cascode bootstrapped analog power amplifier circuit
07/16/2003EP1188231B1 Amplifier circuit
07/16/2003EP1068667B1 MULTI-Gb/s DATA PULSE RECEIVER
07/16/2003EP0706729B1 Signal conditioning apparatus
07/16/2003CN1430809A 高频放大器 High-frequency amplifier
07/16/2003CN1430808A Radio frequency device with fast charging of input capacitance
07/15/2003US6594477 Electronic tuner
07/15/2003US6594309 PWM power amplifier with digital input
07/15/2003US6594097 Reproduction amplifier circuit of hard disk drive
07/15/2003US6593814 Amplifier circuit with protective device
07/15/2003US6593813 Negative feed-back amplifier and method for negative feed-back
07/15/2003US6593810 2.5 Gigabits-per-second transimpedance amplifier
07/15/2003US6593808 Set-up method for a linearizing circuit
07/15/2003US6593807 Digital amplifier with improved performance
07/15/2003US6593806 Circuits and methods for compensating switched mode amplifiers
07/15/2003US6593798 Voltage follower and related method of regulation
07/15/2003US6593797 High-frequency integrated transistor module
07/10/2003WO2003056698A2 Power amplifier
07/10/2003WO2003056497A1 Multiplier
07/10/2003WO2003017471A3 System and method for improving input return loss in rf amplifiers
07/10/2003US20030130006 Two-stage variable-gain mixer employing shunt feedback
07/10/2003US20030128495 High power variable slide RF tuner
07/10/2003US20030128202 Data drive circuit for current writing type amoel display panel
07/10/2003US20030128144 Method and apparatus for a high-drive current digital-to-analog converter
07/10/2003US20030128072 Folded cascode high voltage operational amplifier with class AB source follower output stage
07/10/2003US20030128071 Variable transconductance variable gain amplifier utilizing a degenerated differential pair
07/10/2003US20030128060 Pulse width detection circuit
07/10/2003US20030128055 Low power latch sense amplifier
07/09/2003EP1326335A1 Active broadband switch comprising two inputs and two outputs with a distributed structure, and phase control device with such a switch
07/09/2003EP1326329A2 Operational amplifier with common mode gain control using impedance transport
07/09/2003EP1326328A1 High-frequency amplifier
07/09/2003EP1325557A1 Bootstrapped dual-gate class e amplifier circuit
07/09/2003EP1325556A2 High frequency amplification circuit
07/09/2003EP1325555A1 Configurable power amplifier and bias control
07/09/2003CN1429436A Dynamic bias for RF power amplifiers
07/09/2003CN1429012A 驱动电路 Drive circuit
07/09/2003CN1428923A 半导体集成电路器件 The semiconductor integrated circuit device
07/09/2003CN1114265C New-type CMOS charge pump and its cascade method
07/09/2003CN1114263C Method for measuring current in switch circuit, circuit of measuring current and use of said method and circuit
07/09/2003CN1114262C Emitter follower circuit having no temp. dependency
07/08/2003US6591087 Radio communication apparatus
07/08/2003US6590980 Low voltage, low power operational amplifier with rail to rail output
07/08/2003US6590940 Power modulation systems and methods that separately amplify low and high frequency portions of an amplitude waveform
07/08/2003US6590455 Common-base amplifier with high input overload and/or tunable transimpedance
07/08/2003US6590454 System and method for current splitting for variable gain control
07/08/2003US6590453 Folded cascode high voltage operational amplifier with class AB source follower output stage
07/08/2003US6590452 High DC gain cascode amplifier stage with low noise performance
07/08/2003US6590451 RF amplifier with feedback based linearization
07/08/2003US6590450 System and method for linearizing vacuum electronic amplification
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