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)
05/2003
05/14/2003EP1310041A2 Digital class-d audio amplifier
05/14/2003EP1310040A2 Circuit configuration for identifying a faulty state
05/14/2003EP1310039A1 Transmitter including a composite amplifier
05/14/2003EP1310018A1 Switched beam antenna architecture
05/14/2003EP1310012A2 Highly integrated single substrate mmw multi-beam sensor
05/14/2003EP1309883A2 Video amplifier for a radar receiver
05/14/2003EP1309882A2 Near object detection system
05/14/2003EP1309879A2 Automotive radar systems and techniques
05/14/2003EP1309464A2 Safe distance algorithm for adaptive cruise control
05/14/2003EP1214780B1 Modulated radio signal transmitter with self-adapted amplification polarisation
05/14/2003EP1212831B1 Impedance adapting amplifier device for low frequency with electronic tubes insertible on line in the path of the low frequency signal
05/14/2003EP1066682B1 A predistorter
05/14/2003EP0782789B1 Efficient linear power amplification
05/14/2003CN1108660C Method and apparatus utilizing compensated multiple output signal source
05/13/2003US6563384 High gain amplifier with rail to rail range and frequency compensation
05/13/2003US6563382 Linear variable gain amplifiers
05/13/2003US6563380 Dual bridge amplifier
05/13/2003US6563376 Mute circuit and digital audio amplifier circuit
05/13/2003CA2204005C Wafer-stage temperature compensation for ic components
05/08/2003WO2003038993A2 Method and apparatus for automated current balance adjustment for parallel combined amplification elements
05/08/2003WO2003038257A1 Device for protecting an electronic circuit
05/08/2003US20030088388 Unit converting apparatus
05/08/2003US20030088384 Chemical substance classification apparatus, chemical substance classification method, and program
05/08/2003US20030087626 RF power amplifier circuit
05/08/2003US20030086457 Ultra-linear laser drive circuit with feedback loop
05/08/2003US20030085765 Power supply noise compensation amplifier
05/08/2003US20030085764 Variable gain amplifier with autobiasing supply regulation
05/08/2003US20030085762 Distortion compensation circuit
05/08/2003US20030085761 Distortion reducing circuit
05/08/2003US20030085760 Method and system for automated current balance adjustment for parallel combined amplification elements
05/08/2003US20030085759 Feedforward amplifier with dual loop
05/07/2003EP1309082A2 Feedforward amplifier with dual loop
05/07/2003EP1309081A2 Feed forward amplification apparatus for compensating non-linear distortion
05/07/2003EP1308026A2 Driver circuit for subscriber terminals
05/07/2003EP1307971A2 Control of receiver immunity to interference by controlling linearity
05/07/2003EP1307961A1 Broad-band driver circuit
05/07/2003CN2549651Y Class A and B linear power amplifiers with large dynamic ranges
05/07/2003CN1416615A Circuit arrangement for adjusting operating point of high-frequency transistor and amplifier circuit
05/06/2003US6560465 Method and apparatus for controlling and maintaining a tower top low noise amplifier
05/06/2003US6560296 Method and apparatus for modulating digital data
05/06/2003US6559995 Optical transmission method and optical transmitter with temperature compensation function
05/06/2003US6559724 Techniques for enhancing gain in a quasi-optic grid array
05/06/2003US6559722 Low bias current/temperature compensation current mirror for linear power amplifier
05/06/2003US6559721 Circuit configuration with an integrated amplifier
05/06/2003US6559719 Amplifier
05/06/2003US6559718 Semiconductor integrated circuit device
05/06/2003US6559711 Circuit for providing a constant current
05/02/2003EP1306971A1 Base bias circuit, and power amplifier using the base bias circuit
05/02/2003EP1306970A2 Current-controlled CMOS wideband amplifier circuits
05/02/2003EP1219024B1 Amplifier
05/02/2003EP1151531B1 Signal processing apparatus
05/02/2003EP1097508B1 Method and apparatus for compensating for distortion in iq modulators
05/02/2003EP0965166B1 Flexible current control in power amplifiers
05/01/2003WO2003036791A1 Operational amplifier with chopped input transistor pair
05/01/2003WO2003036790A2 Variable gain amplifier with autobiasing supply regulation
05/01/2003WO2003036653A1 Interface module for a controlled component
05/01/2003WO2002078172A3 Dynamic bias for a power amplifier
05/01/2003WO2002075918A3 Modulator using class-e stage
05/01/2003WO2002005418A3 Power amplifier with multiple power supplies
05/01/2003US20030084408 Semiconductor integrated circuit designing method and semiconductor device
05/01/2003US20030083850 Locating regions in a target image using color matching, luminance pattern matching and hue plane pattern matching
05/01/2003US20030083849 Statistical sampling process
05/01/2003US20030081436 Internal voltage step-down circuit
05/01/2003US20030080816 Zero-overhead class G amplifier with threshold detection
05/01/2003US20030080815 Current-controlled CMOS wideband data amplifier circuits
05/01/2003US20030080814 Distortion compensation apparatus and distortion compensation method
05/01/2003US20030080813 Waveform preshaping for efficiency improvements in DC to RF conversion
05/01/2003US20030080810 Operational amplifier with chopped input transistor pair
05/01/2003US20030080808 Circuit for reducing second and third order intermodulation distortion for a broadband RF amplifier
05/01/2003US20030080800 Integrated analog multiplexer
05/01/2003US20030080774 Input/output circuit, reference-voltage generating circuit, and semiconductor integrated circuit
04/2003
04/30/2003CN1107374C Method for generating transimpedance function and integrated circuit
04/29/2003US6556814 Memory-based amplifier load adjust system
04/29/2003US6556629 Orthogonal signal transmitter
04/29/2003US6556416 Variable capacitor and a variable inductor
04/29/2003US6556085 Low power low noise amplifier
04/29/2003US6556084 Linearized class C amplifier with dynamic biasing
04/29/2003US6556083 Method and apparatus for maintaining stability in a circuit under variable load conditions
04/29/2003US6556082 Temperature compensated current mirror
04/29/2003US6556081 Single-ended, ultra low voltage class AB power amplifier architecture having a common-mode feedback quiescent current control circuit
04/29/2003US6556080 Feedforward notch filter
04/29/2003US6556079 Distortion compensating device and method for compensating distortion
04/29/2003US6556077 Instrumentation amplifier with improved AC common mode rejection performance
04/29/2003US6556076 Feed forward amplifier with amplifier stage failure detection using pilot tones
04/29/2003US6556075 Amplifier system and method that approximate constant impedance and quiescent outputs during forward and reverse modes
04/24/2003WO2003034601A1 Wireless lan
04/24/2003WO2003034593A1 Amplification circuit
04/24/2003WO2003034587A1 Method and system for proportional plus integral loop compensation using a hybrid of switched capacitor and linear amplifiers
04/24/2003WO2003034586A1 Rf power amplifier circuit
04/24/2003WO2003034585A1 Method and arrangement for a power amplifier
04/24/2003WO2003034576A2 Method and system for charge pump active gate drive
04/24/2003WO2003034391A2 Method and system for adjusting the voltage of a precharge circuit
04/24/2003WO2003034388A2 Circuit for predictive control of boost current in a passive matrix oled display and method therefor
04/24/2003WO2003034387A2 Method and clamping apparatus for securing a minimum reference voltage in a video display boost regulator
04/24/2003WO2003034386A2 Method and system for ramp control of precharge voltage
04/24/2003WO2003034385A2 System and method for illumination timing compensation in response to row resistance
04/24/2003WO2003034384A2 Method and system for precharging oled/pled displays with a precharge latency
04/24/2003WO2003034383A2 Drive circuit for adaptive control of precharge current and method therefor
04/24/2003WO2003034316A1 Amplifier modulation
04/24/2003WO2003034287A1 Workflow mining system and method
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