| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 11/27/2008 | US20080290943 Multi-mode amplifier arrangement and method for controlling an amplifier arrangement |
| 11/27/2008 | US20080290942 Differential amplifier |
| 11/27/2008 | US20080290941 Nanoelectronic differential amplifiers and related circuits having carbon nanotubes, graphene nanoribbons, or other related materials |
| 11/27/2008 | US20080290940 Differential low noise amplifier (lna) with common mode feedback and gain control |
| 11/27/2008 | US20080290256 Method and Device for Imaging an Interior of a Turbid Medium |
| 11/27/2008 | DE102006001117B4 Apparat für Strom-Erfass-Verstärker-Kalibrierung in MRAM-Einrichtungen Apparatus for current-sense amplifier calibration in MRAM devices |
| 11/26/2008 | EP1995872A1 Load impedance testing circuit |
| 11/26/2008 | EP1994638A1 Hybrid feedback controlled oscillation modulator and switching power amplifier system |
| 11/26/2008 | EP1384312B1 Tunable voltage controlled oscillator |
| 11/26/2008 | CN201156720Y Circuit of voltage follower |
| 11/26/2008 | CN101312021A Display device, source driver and method for driving display panel |
| 11/26/2008 | CN100438595C Ultra high frequency active antenna amplifier for digital video frequency broadcast receiver and relative circuit |
| 11/26/2008 | CN100438546C Driver circuit for subscriber terminals |
| 11/26/2008 | CN100438333C Gain linearizer for variable gain amplifiers |
| 11/26/2008 | CN100437676C Differential ab class amplifier circuit and drive circuit using the same |
| 11/25/2008 | US7457595 Power saving in a transmitter |
| 11/25/2008 | US7456701 Flexible substrate and electronic equipment |
| 11/25/2008 | US7456693 Regulation of an amplification apparatus |
| 11/25/2008 | US7456692 Gain variable amplifier |
| 11/25/2008 | US7456687 Amplifier unit and method of detecting failure in the same |
| 11/25/2008 | US7456686 Class AD audio amplifier |
| 11/25/2008 | US7456685 Class D audio amplifier with PWM and feedback |
| 11/25/2008 | US7456662 Differential circuit, output buffer circuit and semiconductor integrated circuit for a multi-power system |
| 11/25/2008 | US7456382 Load sensor, method of detecting load and pedestrian protection system |
| 11/20/2008 | WO2008140730A1 Linear rf amplifier with polar feedback |
| 11/20/2008 | WO2008138163A1 Switching amplifier and modulating method thereof |
| 11/20/2008 | WO2008103165A3 Fully differential amplifier with continuous-time offset reduction |
| 11/20/2008 | WO2007106645A3 Elimination of dummy detector on optical detectors using input common mode feedback |
| 11/20/2008 | US20080287838 Switched Resonant Ultrasonic Power Amplifier System |
| 11/20/2008 | US20080287791 Switched Resonant Ultrasonic Power Amplifier System |
| 11/20/2008 | US20080285760 Audio system for improving a signal to noise ratio |
| 11/20/2008 | US20080284522 Linear transimpedance amplifier with multiplexed gain stage |
| 11/20/2008 | US20080284519 Apparatus and method for power added efficiency optimization of high amplification applications |
| 11/20/2008 | US20080284517 Variable Gain Amplifier |
| 11/20/2008 | US20080284516 Monolithic Lna Support Ic |
| 11/20/2008 | US20080284515 Circuits for quiescent current control |
| 11/20/2008 | US20080284514 Differential amplifier with multiple signal gains and wide dynamic range |
| 11/20/2008 | US20080284513 Fully differential amplifier |
| 11/20/2008 | US20080284512 Power amplifier circuitry and method |
| 11/20/2008 | US20080284511 Device Comprising a Switching Amplifier and a Load |
| 11/20/2008 | US20080284509 N-way doherty distributed power amplifier |
| 11/20/2008 | US20080284508 Output circuits with class d amplifier |
| 11/20/2008 | US20080284489 Transconductor and mixer with high linearity |
| 11/20/2008 | DE102008023518A1 Differenzverstärker mit Mehrfachsignalverstärkung und grossem dynamischem Bereich Differential amplifier with multi-signal gain and large dynamic range |
| 11/20/2008 | DE102008019927A1 Symmetrischer Differenzstrom-Leseverstärker The balanced differential current sense amplifier |
| 11/19/2008 | EP1993202A1 Compensated operational amplifier and active RC filter including such an amplifier |
| 11/19/2008 | EP1993201A1 Switchable multiband LNA design |
| 11/19/2008 | EP1992067A1 Ping-pong auto-zero amplifier with glitch reduction |
| 11/19/2008 | EP1782544B1 High power parallel block-up converter |
| 11/19/2008 | EP1766907B1 Apparatus for receiving a differential signal using a differential amplifier |
| 11/19/2008 | EP1683268B1 Power level controlling of first amplification stage for an integrated rf power amplifier |
| 11/19/2008 | EP1639702B1 Self-oscillating power circuit |
| 11/19/2008 | EP1346340A4 Switched amplifier drive circuit for liquid crystal displays |
| 11/19/2008 | CN101310438A Resonant types of common-source/common-emitter struture for high gain amplification |
| 11/19/2008 | CN101309072A Compensated operational amplifier and active rc filter including such an amplifier |
| 11/19/2008 | CN100435479C Transistor assembly |
| 11/19/2008 | CN100435060C Band-gap reference circuit |
| 11/18/2008 | US7454226 Communication terminal |
| 11/18/2008 | US7453945 Methods and devices for controlling RF, multi-carrier amplifier signal power |
| 11/18/2008 | US7453322 Transimpedance amplifier using negative impedance compensation |
| 11/18/2008 | US7453320 Amplifier |
| 11/18/2008 | US7453319 Multi-path common mode feedback for high speed multi-stage amplifiers |
| 11/18/2008 | US7453318 Operational amplifier for outputting high voltage output signal |
| 11/18/2008 | US7453317 Apparatus and method for reducing flicker noise of CMOS amplifier |
| 11/18/2008 | US7453316 Amplifier circuit |
| 11/18/2008 | US7453104 Operational amplifier including low DC gain wideband feed forward circuit and high DC gain narrowband gain circuit |
| 11/18/2008 | US7453054 Method and apparatus for calibrating parallel readout paths in imagers |
| 11/18/2008 | CA2453146C Line driver for digital signal transmission |
| 11/13/2008 | WO2008137935A1 Automatic zero voltage switching mode controller |
| 11/13/2008 | WO2008136811A1 Apparatus and method for termination powered differential interface periphery |
| 11/13/2008 | WO2008136810A1 Apparatus and method for recovery of wasted power from differential drivers |
| 11/13/2008 | WO2008136124A1 Amplifier |
| 11/13/2008 | WO2008136080A1 Amplifier apparatus |
| 11/13/2008 | WO2008135754A1 Tuning multiport amplifiers |
| 11/13/2008 | WO2008135753A1 Multiport amplifiers in communications satellites |
| 11/13/2008 | WO2008135590A1 Buffer driver |
| 11/13/2008 | WO2008135531A1 Charge pump for generating an input voltage for an operational amplifier |
| 11/13/2008 | WO2008135519A1 A device |
| 11/13/2008 | WO2008114236A3 A power amplifier |
| 11/13/2008 | WO2008112789A3 Active circuits with isolation switches |
| 11/13/2008 | WO2008070349A3 High speed preamplifier circuit, detection electronics, and radiation detection systems therefrom |
| 11/13/2008 | WO2008042550A3 Amplifier containing programmable impedance for harmonic termination |
| 11/13/2008 | US20080280578 Receiver circuit and amplifier circuit |
| 11/13/2008 | US20080278253 Pulse Width Modulator System |
| 11/13/2008 | US20080278242 Amplifier |
| 11/13/2008 | US20080278234 Output stage |
| 11/13/2008 | US20080278233 Buffer drive |
| 11/13/2008 | US20080278232 Operational Amplifier with Rail-to-Rail Common-mode Input and Output Range |
| 11/13/2008 | US20080278230 Systems and Methods for Correcting Errors Resulting from Component Mismatch in a Feedback Path |
| 11/13/2008 | DE102007021254A1 Buffertreiber Buffer Driver |
| 11/13/2008 | CA2686152A1 Tuning multiport amplifiers |
| 11/13/2008 | CA2685191A1 Multiport amplifiers in communications satellites |
| 11/12/2008 | EP1990913A2 Receiver circuit and amplifier circuit |
| 11/12/2008 | EP1990912A2 Dynamic bias for RF power amplifiers |
| 11/12/2008 | EP1989776A2 Method and apparatus for controlling an output voltage in a power amplifier |
| 11/12/2008 | EP1092300B1 Circuit for suppressing a common mode component in a signal from a can communication bus |
| 11/12/2008 | CN201150049Y 高效率功率放大器 High Efficiency Power Amplifier |
| 11/12/2008 | CN101304240A Voltage limiting apparatus as well as operation amplifier applying the same and circuit design method thereof |
| 11/12/2008 | CN101304239A Power amplification circuit, radio frequency transmitter as well as base station equipment |
| 11/12/2008 | CN101304236A Variable bias control for switch mode RF amplifier |