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)
04/2014
04/08/2014US8692620 Power amplifier
04/08/2014US8692619 High frequency power amplifier
04/08/2014US8692618 Positive and negative voltage input operational amplifier set
04/08/2014US8692617 Balanced-input current-sensing differential amplifier
04/08/2014US8692616 Operational amplifier, analog arithmetic circuit, and analog to digital converter
04/08/2014US8692615 Enhanced transconductance circuit
04/08/2014US8692581 Constant switching current flip-flop
04/08/2014US8692180 Readout circuit for touch sensor
04/08/2014US8692179 Optical communication system using grounded coplanar waveguide
04/08/2014CA2637228C A method and apparatus for reducing frequency memory effects in rf power amplifiers
04/03/2014WO2014052291A1 Pulse shaping for generating nfc initiator transmit waveform
04/03/2014WO2014051896A1 Reducing the effect of parasitic mismatch at amplifier inputs
04/03/2014WO2014051400A1 Apparatus and method of correcting output characteristics in a power combination apparatus
04/03/2014WO2014050721A2 Amplifying device, and wireless communication device equipped with amplifying device
04/03/2014WO2014050611A1 Microwave amplifier device
04/03/2014WO2014050383A1 Distortion compensation device, and wireless communication device
04/03/2014WO2014050218A1 Distortion compensation circuit and transmission device using distortion compensation circuit and high-frequency power amplifier
04/03/2014WO2014049795A1 Receiver and reception method
04/03/2014WO2014048458A1 Device for coupling hf power into a waveguide
04/03/2014US20140094129 Multi-mode power amplifier
04/03/2014US20140093104 Class-g amplifier and audio system employing the amplifier
04/03/2014US20140091863 Current reuse amplifier
04/03/2014US20140091862 High-frequency signal processing device
04/03/2014DE102013014171A1 Leistungsverstärkerschaltung mit veränderlicher ausgangsimpedanz Power amplifier circuit with variable output impedance
04/03/2014DE102012211308A1 Quasi-breitbandiger Verstärker nach dem Doherty-Prinzip Quasi-wideband amplifier according to the Doherty principle
04/02/2014EP2713507A1 FET RF power detector
04/02/2014EP2713506A2 Envelope detector with enhanced linear range
04/02/2014EP2713171A2 Class-AB radio frequency amplifier for envelope detector
04/02/2014CN203522660U Easily-integrated low microwave band frequency-selective amplifier circuit
04/02/2014CN203522659U Frequency-compensation sensor signal operational amplifier
04/02/2014CN203522658U Novel, simple power amplifier circuit
04/02/2014CN203522657U WiMAX radio frequency front-end downlink power amplifier
04/02/2014CN203522656U Power amplifier with alternating current and direct current dual-loop feedback function
04/02/2014CN203522651U High efficiency power amplifier with error signal cancellation function
04/02/2014CN203520356U Infrared signal amplification circuit and infrared touch screen
04/02/2014CN103703682A High-frequency amplification circuit
04/02/2014CN103703681A Fast power up comparator
04/02/2014CN103703680A Signal processing
04/02/2014CN103703679A Adaptive RF saturation detection in wireless device implementing multiple wireless protocols
04/02/2014CN103701455A Level shifting circuit
04/02/2014CN103701418A Compensating method for power amplifying unit of wireless radiofrequency module
04/02/2014CN103701417A Radio frequency amplifying circuit
04/02/2014CN103701416A Infrared signal amplifying circuit
04/02/2014CN103701415A Feed-forward power amplifier
04/02/2014CN103700700A Compound semiconductor device and method of manufacturing the same
04/02/2014CN102347738B Two-stage fully-differential low-noise low-offset chopping operational amplifier
04/02/2014CN102158179B Multimode low-noise amplifier adopting positive and negative feedback structure
04/02/2014CN102106082B Commutating amplifier with wide dynamic range
04/02/2014CN102099999B Power amplifier, power amplifier nonlinear distortion correction method, and wireless communication device
04/02/2014CN101902205B Signal transmit-receive switching radio frequency amplifier for wireless communication system
04/01/2014US8688061 System and method for biasing a power amplifier
04/01/2014US8687826 Amplifier circuit
04/01/2014US8686795 Power amplifier
04/01/2014US8686794 Amplifying apparatus
04/01/2014US8686791 Amplifying apparatus and distortion compensation method
04/01/2014US8686790 Distributed amplifier for band pass radio front-end
04/01/2014US8686789 Transient signal suppression for a class-D audio amplifier arrangement
04/01/2014US8686342 Double-sided image sensor formed on a single semiconductor wafer die
03/2014
03/27/2014WO2014047575A2 Two dimensional quad integrated power combiner for rf power amplifiers
03/27/2014WO2014046327A1 Ka-band high power amplifier structure having minimum processing and assembling errors
03/27/2014WO2014045484A1 Power-combining circuit and power-combining method
03/27/2014US20140085165 Combining signal power using magnetic coupling between conductors
03/27/2014US20140085010 Operational amplifier module and method for enhancing driving capability of operational amplifier circuit
03/27/2014US20140085009 Amplifier inductor sharing for inductive peaking and method therefor
03/27/2014US20140085008 Envelope tracking signal generator incorporating trim cell
03/27/2014US20140085007 Class-ab radio frequency amplifier for envelope detector
03/27/2014US20140085006 Efficient Linear Integrated Power Amplifier Incorporating Low And High Power Operating Modes
03/27/2014US20140085005 Circuit to prevent load-induced non-linearity in operational amplifiers
03/27/2014US20140085003 Reducing the effect of parasitic mismatch at amplifier inputs
03/27/2014US20140085002 Two Dimensional Quad Integrated Power Combiner for RF Power Amplifiers
03/27/2014US20140085001 Linear row array integrated power combiner for rf power amplifiers
03/27/2014US20140085000 Doherty amplifier with efficiency optimization
03/27/2014US20140084999 Apparatus and method for wide common mode difference
03/27/2014DE112012002919T5 Mikrofonpufferschaltung mit Eingangsfilter Microphone buffer circuit with input filter
03/27/2014DE102013218291A1 Method for controlling audiobility of audio content during playback, involves detecting, whether played audio content is included in preference list, where playback audiobility is increased from actual value to predetermined value
03/27/2014DE102013110432A1 Vorrichtung und Verfahren für Differenzverstärker mit weitem Gleichtaktbereich Apparatus and method for differential amplifier with wide common-mode range
03/27/2014DE102013109957A1 Schaltung zum Verhindern von lastinduzierter Nichtlinearität in Operationsverstärkern Circuit to prevent load-induced nonlinearity in operational amplifiers
03/26/2014EP2712077A1 Modulation
03/26/2014EP2712076A1 Power amplifier for mobile telecommunications
03/26/2014EP2710733A1 Charge-sensitive amplifier
03/26/2014EP2710732A1 Power amplifier with co-existence filter
03/26/2014EP2710731A1 Amplifier for electrostatic transducers
03/26/2014EP2710730A1 Adaptive rf saturation detection in a wireless device implementing multiple wireless protocols
03/26/2014EP2710729A1 Amplifier
03/26/2014EP2710728A1 Radio frequency integrated circuit
03/26/2014CN203504646U Novel cell phone incoming call prompting device
03/26/2014CN203504503U Four-port differential amplification circuit
03/26/2014CN203504502U Photoelectric signal amplification circuit for photometric system
03/26/2014CN103688468A Zero-power sampling sar adc circuit and method
03/26/2014CN103685111A Calculating method of digital pre-distortion parameters and pre-distortion system
03/26/2014CN103684301A Amplifier unit and mobile electronic device provided with the amplifier unit
03/26/2014CN103684300A System and method for a power amplifier
03/26/2014CN103684299A Low-voltage low-power consumption bulk-driven operational amplifier
03/26/2014CN103684298A High-gain differential signal amplification circuit
03/26/2014CN103684297A Electric amplifying circuit used for detector
03/26/2014CN103684296A High-confidentiality amplifying circuit
03/26/2014CN103684295A Apparatus and method for wide common mode difference
03/26/2014CN103684294A Differential output circuit and semiconductor device
03/26/2014CN103684293A Envelope detector with enhanced linear range
03/26/2014CN103684292A Method for adjusting vehicle fuel injection system operational amplifiers through suspension grids
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