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)
11/2004
11/09/2004	US6816017 Power amplifier module
11/09/2004	US6816016 High-efficiency modulating RF amplifier
11/09/2004	US6816012 Distributed circular geometry power amplifier architecture
11/09/2004	US6816008 Quasi-linear multi-state digital modulation through non-linear amplifier arrays
11/09/2004	US6816007 Amplifier with dynamic rail control drive circuit
11/09/2004	US6816003 Circuits with dynamic biasing
11/09/2004	US6815941 Bandgap reference circuit
11/09/2004	CA2376410C Cascode distributed amplifier
11/09/2004	CA2315848C Method and apparatus for an automatic predistortion system
11/04/2004	WO2004095715A2 Additive digital predistortion system employing parallel path coordinate conversion
11/04/2004	WO2004095690A1 Amplifier arrangement and distributed audio system
11/04/2004	WO2004068700A3 High linearity low noise amplifier
11/04/2004	WO2004036331A3 Low noise switching voltage regulator
11/04/2004	WO2003017466A3 An adaptive pre-distortion method and apparatus for digital rf transmitters
11/04/2004	US20040220760 Method and system of dynamic learning through a regression-based library generation process
11/04/2004	US20040219891 Polar modulation transmitter
11/04/2004	US20040217818 Low noise amplifier
11/04/2004	US20040217817 Low noise balanced amplifier
11/04/2004	US20040217816 Power-off, loop-through return-loss with negative capacitance
11/04/2004	US20040217812 Large gain-bandwidth amplifier, method, and system
11/04/2004	US20040217811 Distortion compensation amplification apparatus of feed forward type and adaptive pre-distortion type
11/04/2004	US20040217810 Enhanced predistortion method and apparatus
11/04/2004	US20040217808 Sound signal generating apparatus and method for reducing pop noise
11/04/2004	CA2522495A1 Amplifier arrangement and distributed audio system
11/03/2004	EP1473830A2 Photo-amplifier circuit with improved power supply rejection
11/03/2004	EP1473829A1 Enhanced predistortion method and apparatus
11/03/2004	EP1472785A2 Amplifier and frequency converter
11/03/2004	EP1472734A2 Rf amplifier
11/03/2004	CN1543079A Low noise block down converter with reduced power consumption
11/03/2004	CN1543060A Photo-amplifier circuit with improved power supply rejection
11/03/2004	CN1543059A Enhanced predistortion method and apparatus
11/03/2004	CN1543027A Bias flow generating circuit, laser diode drive circuit and light transmission transmitter
11/03/2004	CN1174547C System and method for converting single-ended signal to differential signal
11/03/2004	CN1174546C Semiconductor integrated circuit
11/02/2004	US6813319 System and method for transmitting digital information using interleaved delta modulation
11/02/2004	US6812796 Inter-stage coupling in multistage amplifiers
11/02/2004	US6812795 Transimpedance amplifier with feedback resistive network
11/02/2004	US6812794 Multistage amplifier
11/02/2004	US6812793 Power supply rejection circuit for an audio amplifier
11/02/2004	US6812792 Precorrection of a nonlinear amplifier
11/02/2004	US6812791 Method and system for linearizing an amplified signal
11/02/2004	US6812788 Amplifying circuit
11/02/2004	US6812787 Reference voltage generating circuit and voltage amplifier using the same
11/02/2004	US6812786 Zero-bias bypass switching circuit using mismatched 90 degrees hybrid
11/02/2004	US6812771 Digitally-controlled, variable-gain mixer and amplifier structures
11/02/2004	US6812714 Apparatus for collecting signal measurement data at signal ports of an RF and microwave device-under-test, under different impedance load conditions
11/02/2004	CA2109755C Composite bridge amplifier with output overload and thermal protection
10/2004
10/28/2004	WO2004093310A1 Bias operation device, amplifier, high-frequency amplifier, and method for manufacturing bias operating device
10/28/2004	US20040215425 Method and system for estimation of quantities corrupted by noise and use of estimates in decision making
10/28/2004	US20040213573 Amplifier composite triple beat (CTB) reduction by phase filtering
10/28/2004	US20040213335 Apparatus and method for mobile communication device transmission
10/28/2004	US20040212740 Adaptive bandwidth control in a kinescope amplifier
10/28/2004	US20040212438 Radio frequency power amplifier module
10/28/2004	US20040212437 Power amplifier
10/28/2004	US20040212436 High frequency power amplifier circuit device
10/28/2004	US20040212435 High frequency power amplifier and wireless communication module
10/28/2004	US20040212434 Electronic component for high frequency power amplifier and radio communication system
10/28/2004	US20040212433 Power amplifier device and method thereof
10/28/2004	US20040212432 Semiconductor integrated circuit for high frequency power amplifier, electronic component for high frequency power amplifier, and radio communication system
10/28/2004	US20040212429 Low dropout monolithic linear regulator having wide operating load range
10/28/2004	US20040212428 Distortion compensation device
10/28/2004	US20040212427 Audio amplifier circuit
10/28/2004	US20040211886 Low noise light receiver
10/28/2004	DE10316640A1 Antenna coupling circuit, e.g. for FM receiver, has negative resistance connected in parallel with inductance in main resonant circuit
10/27/2004	EP1470636A1 N-way rf power amplifier with increased backoff power and power added efficiency
10/27/2004	EP1470635A1 Composite power amplifier
10/27/2004	EP1177629B1 Output buffer with independently controllable current mirror legs
10/27/2004	EP1092265A4 Amplification using amplitude reconstruction of amplitude and/or angle modulated carrier
10/27/2004	CN2652040Y Digital audio-frequency amplify super-scale integrated chip with random bit
10/27/2004	CN1540876A Appts. and method of mobile communication transmission
10/27/2004	CN1540859A RF power amplifying modular
10/27/2004	CN1540857A Distortion compensating circuit and emitting appts. contg. same
10/27/2004	CN1173464C Computing amplifier capable of operating under low voltage
10/27/2004	CN1173463C Method and apparatus using for automatic predistoring system
10/26/2004	US6810367 Method and apparatus for responding to threshold events from heterogeneous measurement sources
10/26/2004	US6809607 Circuit and method for compensating for non-linear distortion
10/26/2004	US6809594 Ultra broadband low noise amplifier with matched reactive input impedance
10/26/2004	US6809593 Power amplifier device and method thereof
10/26/2004	US6809590 Output stage using positive feedback to provide large current sourcing capability
10/26/2004	US6809589 Low voltage large swing/high linearity analog buffer with servo amplifier and feedback loop
10/26/2004	US6809588 Distortion compensation circuit
10/26/2004	US6809587 Active predistorting linearizer with agile bypass circuit for safe mode operation
10/26/2004	US6809582 Semiconductor device including a differential transistor pair
10/26/2004	US6809581 Integrated circuit low noise amplifier and applications thereof
10/26/2004	US6809578 Stable voltage generating circuit
10/26/2004	US6809572 Integrated circuit with automatic polarity detection and configuration
10/26/2004	CA2293337C Dynamic predistortion compensation for a power amplifier
10/21/2004	WO2004091097A1 Glitch-free controllable rf power amplifier
10/21/2004	WO2004091096A1 Digital amplifier
10/21/2004	WO2004091094A1 Distortion compensation device
10/21/2004	WO2004091093A1 Transmission amplifier
10/21/2004	WO2004091092A1 Digital amplifier
10/21/2004	WO2004091091A1 Digital amplifier
10/21/2004	US20040210789 Distortion compensation circuit, and a transmission apparatus including the same
10/21/2004	US20040210422 Evaluation apparatus and evaluation method
10/21/2004	US20040208262 Power amplifier circuit and method using bandlimited signal component estimates
10/21/2004	US20040208259 Additive digital predistortion system employing parallel path coordinate conversion
10/21/2004	US20040207471 Variable gain low noise amplifier
10/21/2004	US20040207470 Differential amplifier with a common mode voltage loop
10/21/2004	US20040207469 Amplifier

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