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
07/08/2003US6590448 Operational amplifier topology and method
07/08/2003US6590447 Precision bridge amplifier
07/08/2003US6590446 Amplifier circuit and electronic apparatus using the same
07/08/2003US6590436 System and method of translating wide common mode voltage ranges into narrow common mode voltage ranges
07/08/2003US6590435 Output differential voltage (VOD) restriction circuit for use with LVDS input buffers
07/08/2003US6590431 Maintaining substantially constant trans-conductance without substantially changing power consumption
07/08/2003US6590429 Data receivers for reproducing data input signals and methods for detecting data signals in data input receivers
07/03/2003WO2003055061A1 Differential parametric amplifier with modulated mems capacitors
07/03/2003WO2003055060A1 Synchronized controlled oscillation modulator
07/03/2003WO2003055059A1 Attenuation control for digital power converters
07/03/2003WO2003055058A1 Compensated, digital class d amplifier
07/03/2003WO2003055057A1 Offset calibration system and method for a high gain signal channel
07/03/2003WO2003054924A2 Differential current source with active common mode reduction
07/03/2003US20030123678 Vehicle power amplifier and voltage supply thereof
07/03/2003US20030123168 Optical receiving device
07/03/2003US20030122692 Method and apparatus for generating a pulse width modulated signal
07/03/2003US20030122625 Input/output buffer incorporating filter for powerline communications line
07/03/2003US20030122624 Analog input circuit with common mode compatibility to both supply nodes
07/03/2003US20030122623 Gain control circuit for controlling a gain in a variable gain cell
07/03/2003US20030122622 Low power variable gain amplifier
07/03/2003US20030122621 Reconfigurable dual-mode multiple stage operational amplifiers
07/03/2003US20030122619 Power amplifier, power amplifying method and radio communication apparatus
07/03/2003US20030122617 Capacitor current multiplier capacitive feedback circuit
07/03/2003US20030122616 Distributed amplifier having a tapered transconductance architecture
07/03/2003US20030122615 Improved Class BD Amplifier
07/03/2003US20030122607 Driving circuit
07/03/2003US20030122605 Current limiting circuit
07/03/2003US20030122603 Current-controlled CMOS circuits with inductive broadbanding
07/03/2003US20030122592 Sampling and hold circuit
07/03/2003US20030122491 Depressed collector for electron beams
07/03/2003DE10211013C1 Comparator operating method provides clock control of comparator and associated pre-amplifier
07/02/2003EP1323231A2 Controlled self-oscillation modulator and power conversion system using such a modulator
07/02/2003EP1323230A2 Switching power amplifier
07/02/2003EP1323229A2 Compact ultra-low noise high-bandwidth pixel amplifier for single-photon readout of photodetectors
07/02/2003CN2559022Y Functional audio system switcher for multifunctional hall digital cinema
07/02/2003CN1113457C Bridged driving amplifier and telecommunication device
07/02/2003CN1113456C Arrangement for reducing and stabilizing amplification of Darlington-coupled output stage
07/02/2003CN1113453C Linear RF power amplifier with optically activated switches
07/01/2003US6587670 Dual mode class D amplifiers
07/01/2003US6587065 Stable current-control reference systems
07/01/2003US6587014 Switch assembly with a multi-pole switch for combining amplified RF signals to a single RF signal
07/01/2003US6587004 Signal amplifier and optical signal receiver using the same
07/01/2003US6587003 Charge sensitive preamplifier with pulsed source reset
07/01/2003US6587001 Analog load driver
07/01/2003US6587000 Current mirror circuit and analog-digital converter
07/01/2003US6586999 Ultra wideband transmitter with gated push-pull RF amplifier
07/01/2003US6586998 Output stage and method of enhancing output gain
07/01/2003US6586997 Input distortion correction current-feedback amplifier system
07/01/2003US6586996 Method and system for producing a drive signal for a current steering amplifier
07/01/2003US6586995 Amplifier
07/01/2003US6586993 Impedance matching low noise amplifier having a bypass switch
07/01/2003US6586991 Digital power amplifier
07/01/2003US6586990 Operational amplifier having offset cancel function
07/01/2003US6586989 Nonlinear digital differential amplifier offset calibration
07/01/2003US6586988 Demodulating circuits for contactless integrated circuit cards and systems
07/01/2003US6586975 Semiconductor device
07/01/2003US6586919 Voltage-current converter
07/01/2003US6586896 Method and apparatus for improved transition from pulse width modulation to linear control
06/2003
06/26/2003WO2003052989A1 Chopper stabilization of a circuit
06/26/2003WO2003052926A1 Distributed rf power amplifier with load compensation
06/26/2003WO2003052925A1 Bicmos ac filter circuit
06/26/2003WO2003052912A1 Isolated converter with synchronized switching leg
06/26/2003US20030118138 High speed differential data sampling circuit
06/26/2003US20030118089 Method and system for DSL power saving
06/26/2003US20030117870 Semiconductor memory and output signal control method and circuit in semiconductor memory
06/26/2003US20030117308 Pseudo-differential amplifier and analog-to-digital converter using the same
06/26/2003US20030117305 Digital-to-analog converter
06/26/2003US20030117220 Radio frequency power amplifier module
06/26/2003US20030117219 Multi-band power amplifier
06/26/2003US20030117216 Broadband predistorsion linearizer
06/26/2003US20030117213 Limiting amplifier
06/26/2003US20030117212 Circuits with dynamic biasing
06/26/2003US20030117210 Current-source circuit
06/26/2003US20030117208 InSb signal-conditioning circuit with built-in temperature compensation
06/26/2003US20030117205 Offset calibration system and method for a high gain signal channel
06/26/2003US20030117116 Semiconductor integrated circuit device
06/26/2003US20030117115 Semiconductor integrated circuit device
06/26/2003US20030117076 Traveling wave tube
06/26/2003US20030116844 High-frequency signal amplification device and method for manufacturing the same
06/26/2003US20030116809 Semiconductor instrument
06/25/2003EP1322114A2 Method and apparatus for vertical compression and decompression of progressive video data
06/25/2003EP1322036A1 Arrangement with a symmetrical amplifier
06/25/2003EP1322035A2 Travelling wave tube
06/25/2003EP1321946A2 High speed differential data sampling circuit
06/25/2003EP1321843A1 Current source circuit
06/25/2003EP1320927A2 Power amplification for parametric loudspeakers
06/25/2003EP1086527B1 A method of reducing distortion and noise of square-wave pulses, a circuit for generating minimally distorted pulses and use of method and circuit
06/25/2003EP1086526B1 Circuit and its use for reducing distortions and noise of square-wave pulses
06/25/2003CN1112765C Active phase splitter
06/25/2003CN1112760C Biased common-base power amplifier
06/24/2003US6583673 Stability enhanced multistage power amplifier
06/24/2003US6583672 Method for controlling bias in an active grid array
06/24/2003US6583671 Stable AGC transimpedance amplifier with expanded dynamic range
06/24/2003US6583670 CMOS current amplifier
06/24/2003US6583669 Apparatus and method for a compact class AB turn-around stage with low noise, low offset, and low power consumption
06/24/2003US6583668 Wideband variable gain amplifier with low power supply voltage
06/24/2003US6583667 High frequency CMOS differential amplifiers with fully compensated linear-in-dB variable gain characteristic
06/24/2003US6583665 Differential amplifier having active load device scaling
06/24/2003US6583664 Apparatus and method for efficiently amplifying wideband envelope signals
06/24/2003US6583660 Active auto zero circuit for time continuous open loop amplifiers
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