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)
10/2006
10/25/2006	CN1853342A An adaptive wideband digital amplifier for linearly modulated signal amplification and transmission
10/25/2006	CN1852025A Operation amplifier and its manufacturing method
10/25/2006	CN1852024A Warm back-up and multual-aid system of power amplifier
10/25/2006	CN1282302C Device and method for power ramp up of wireless modem transmitter
10/24/2006	US7126568 Method and system for precharging OLED/PLED displays with a precharge latency
10/24/2006	US7126518 Output circuit, digital analog circuit and display device
10/24/2006	US7126427 Electronic circuit
10/24/2006	US7126426 Cascode amplifier structures including wide bandgap field effect transistor with field plates
10/24/2006	US7126422 Multi-band feed-forward amplifier and adjustment method therefor
10/24/2006	US7126421 Method for aligning feed forward loops
10/24/2006	US7126420 R.F. output power control
10/24/2006	US7126418 Delay mismatched feed forward amplifier system using penalties and floors for control
10/24/2006	US7126417 Distributed gain network
10/24/2006	US7126415 Switched-capacitor circuits with reduced finite-gain effect
10/24/2006	US7126414 Arrangement and method for controlling an amplifier circuit corresponding to energy uptake in the amplifier circuit
10/24/2006	US7126413 Method and corresponding circuit structure to correlate the transconductance of transistors of different types
10/24/2006	US7126412 Preamplification circuit
10/19/2006	WO2006109214A1 Broadband amplifier
10/19/2006	US20060234654 Method and apparatus for linearization in a quadrature transmitter
10/19/2006	US20060232332 Adaptive predistortion linearized amplifier system employing selective sampling
10/19/2006	US20060232331 Segmented chopping amplifier
10/19/2006	DE112004002206T5 Operationsverstärker zum Selektieren eines Eingangssignals und den Operationsverstärker verwendende Verstärkungsvorrichtung für das Verifikationsverfahren Operational amplifier for selecting an input signal and the operational amplifiers used for amplifying apparatus, the verification procedure
10/18/2006	EP1713176A1 Power amplifier unit, communication terminal and control method of power amplifier unit
10/18/2006	EP1711905A2 Apparatus and method for isolating noise effects in a signal
10/18/2006	EP1316145B1 Off-line mcpa calibration
10/18/2006	EP1295356B1 Mode translating waveguide adapter for a quasi-optic grid array
10/18/2006	EP1293011B1 Techniques for enhancing gain in a quasi-optic grid array
10/18/2006	EP1260018B1 Emitter follower with constant collector current biasing means
10/18/2006	EP0904633B1 Power delivery system and method of controlling the power delivery system for use in a radio frequency system
10/18/2006	CN1848668A Differential amplifier circuitry formed on semiconductor substrate with rewiring technique
10/18/2006	CN1281011C Adaptive carrier inhibiting method for multiple-carrier linear power amplifier
10/18/2006	CN1280984C Amplifier circuit and method
10/18/2006	CN1280983C Power amplifier saturation detection and compensation
10/18/2006	CN1280982C High frequency power amplifier circuit
10/18/2006	CN1280981C Power amplifier, power amplifying method and radio communication device
10/17/2006	US7123890 Signal sample acquisition techniques
10/17/2006	US7123730 Audio power amplifying apparatus and method
10/17/2006	US7123301 Pixel gain amplifier
10/17/2006	US7123250 Electric circuit
10/17/2006	US7123099 Two-stage amplifier with series L-R coupling network
10/17/2006	US7123097 Ultra-wideband constant gain CMOS amplifier
10/17/2006	US7123096 Quadrature offset power amplifier
10/17/2006	US7123094 High frequency power amplifier circuit and radio communication system
10/17/2006	US7123090 Low-noise preamplifier, in particular, for nuclear magnetic resonance (NMR)
10/17/2006	US7123089 Power amplifier with pulse differentiating circuit
10/17/2006	US7123087 Radio frequency power amplifier
10/17/2006	US7123086 Feed forward amplifier employing positive feedback pilot generation
10/17/2006	US7123082 Variable time constant circuit and filter circuit using the same
10/17/2006	US7123080 Differential amplification input circuit
10/17/2006	US7123073 Amplifier and frequency converter
10/17/2006	US7123045 Semiconductor integrated circuit device
10/17/2006	US7122207 High drug load acid labile pharmaceutical composition
10/17/2006	CA2362101C A closed loop calibration for an amplitude reconstruction amplifier
10/12/2006	WO2006108068A2 Power efficient amplifier
10/12/2006	WO2006106281A1 An electrical circuit, a detection system and an operating method thereof
10/12/2006	US20060226909 Monolithic supply-modulated rf power amplifier and dc-dc power converter ic
10/12/2006	US20060226905 Stacked RF power amplifier
10/12/2006	US20060226903 Method for signal processing and a transmitting device with digital predistortion, in particular for mobile radio
10/12/2006	US20060226901 Low phase shift implementation of the baseband circuitry of a cartesian feedback loop
10/12/2006	US20060226899 Operational amplifier, line driver, and liquid crystal display device
10/12/2006	US20060226898 Offset correction circuit for voltage-controlled current source
10/12/2006	DE102005058464A1 Doherty-Mikrowellenverstärker und Signalverarbeitungsverfahren für diesen Doherty microwave amplifier and signal processing technology for this
10/11/2006	EP1710918A1 Transmitter and wireless communication apparatus
10/11/2006	EP1710908A1 Variable gain circuit
10/11/2006	EP1709733A2 Improved power supply rejection for pulse width modulated amplifiers and automatic gain control
10/11/2006	EP1709732A1 Adjusting circuit
10/11/2006	EP1709731A1 Electronic circuit
10/11/2006	CN1846185A Quiescent current control circuit for high-power amplifiers
10/11/2006	CN1845451A Multi carrier power amplifier in wireless communication system
10/11/2006	CN1279700C Transmitting circuit
10/11/2006	CN1279692C High frequency amplifier and amplifying component
10/10/2006	US7120561 Phase-error based signal alignment
10/10/2006	US7120411 Low noise amplifier (LNA) gain switch circuitry
10/10/2006	US7120410 LNA gain adjustment in an RF receiver to compensate for intermodulation interference
10/10/2006	US7120394 Front-end module and communication terminal
10/10/2006	US7119640 Chua's circuit and it's use in a hyperchaotic circuit
10/10/2006	US7119631 Off-chip LC circuit for lowest ground and VDD impedance for power amplifier
10/10/2006	US7119623 Output circuit for a semiconductor amplifier element
10/10/2006	US7119622 Amplification device with a bias circuit
10/10/2006	US7119621 Power amplifier
10/10/2006	US7119617 Differential amplifier
10/10/2006	US7119615 Electronic amplifier circuit
10/10/2006	US7119613 RF amplifier
10/10/2006	US7119612 Dual-channel instrumentation amplifier
10/10/2006	US7119547 Testing apparatus
10/05/2006	WO2006104481A1 Offset correction circuit for voltage-controlled current source
10/05/2006	WO2006104075A1 Amplifier apparatus
10/05/2006	US20060220748 Use of a thick oxide device as a cascode for a thin oxide transconductance device in mosfet technology and its application to a power amplifier design
10/05/2006	US20060220746 Sensing circuit
10/05/2006	US20060220736 Low noise amplifier and differential amplifier with variable gain mode
10/05/2006	US20060220734 Method and circuit for input offset correction in an amplifier circuit
10/05/2006	DE19937990B4 Integrierte Halbleiterschaltung für ein Elektret-Mikrofon A semiconductor integrated circuit for an electret microphone
10/05/2006	DE102005013385A1 Verstärkerschaltung Amplifier circuit
10/04/2006	EP1708360A1 Method and apparatus for generating a high frequency signal
10/04/2006	EP1708359A1 Amplification circuit and control method of amplification
10/04/2006	EP1708358A2 Mobile communications terminal having driving voltage control apparatus and method thereof
10/04/2006	EP1658674A4 Power distribution and biasing in rf switch-mode power amplifiers
10/04/2006	EP1576724A4 Rf power amplifier employing bias circuit topologies for minimization of rf amplifier memory effects
10/04/2006	EP1413052B1 Intermodulation product cancellation circuit
10/04/2006	EP1238455B1 Method and apparatus for generating a radio frequency signal

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