| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 07/12/2007 | US20070159257 Method and apparatus for controlling a power amplifier in a mobile communication system |
| 07/12/2007 | US20070159255 High output current buffer |
| 07/12/2007 | US20070159254 Power amplifier circuit and test apparatus |
| 07/12/2007 | US20070159253 Apparatus and method for reducing flicker noise of CMOS amplifier |
| 07/12/2007 | US20070159252 Low Voltage Input Stage |
| 07/12/2007 | US20070159251 Variable gain amplifier and differential amplifier |
| 07/12/2007 | US20070159250 Differential amplifier, data driver and display device |
| 07/12/2007 | US20070159249 Differential amplifier and display device using the same |
| 07/12/2007 | US20070159248 Differential amplifier, data driver and display device |
| 07/12/2007 | US20070159247 CMOS amplifier of filter for ultra wideband application and method of the same |
| 07/12/2007 | US20070159244 Gain control methods and systems in an amplifier assembly |
| 07/12/2007 | US20070159243 Circuit and method for amplification of an electrical input signal |
| 07/12/2007 | US20070159216 Fet-based sensor for detecting ionic material, ionic material detecting device using the fet-based sensor, and method of detecting ionic material using the fet-based sensor |
| 07/12/2007 | US20070159215 Wide input common mode sense amplifier and its application as an apparatus to accurately measure delay between two discrete time events |
| 07/12/2007 | US20070159150 Switching power supply device and a semiconductor integrated circuit |
| 07/12/2007 | DE102005062767A1 Kaskoden-Differenzverstärker und Differenzverstärker Cascode differential amplifier and a differential amplifier |
| 07/12/2007 | DE10031522B9 Frequenzkompensierte Verstärkeranordnung und Verfahren zum Betrieb einer frequenzkompensierten Verstärkeranordnung Frequency compensated amplifier arrangement and method for operating a frequency compensated amplifier arrangement |
| 07/11/2007 | EP1806839A1 Cascoded differential amplifier |
| 07/11/2007 | EP1805889A1 Control circuit for controlling the current and/or voltage of an electronic circuit |
| 07/11/2007 | EP1354408B1 Method and apparatus for use in switched capacitor systems |
| 07/11/2007 | CN1998135A 行波放大器 Traveling wave amplifier |
| 07/11/2007 | CN1998079A Module integration integrated circuits |
| 07/11/2007 | CN1996750A Difference input range-limiting amplifier |
| 07/11/2007 | CN1996749A Differential amplifier, data driver and display device |
| 07/11/2007 | CN1996748A A balanced amplifier |
| 07/11/2007 | CN1326286C 传送线路和半导体集成电路装置 Transmission line and the semiconductor integrated circuit device |
| 07/10/2007 | US7242629 High speed latch circuits using gated diodes |
| 07/10/2007 | US7242518 Standing wave amplifiers and oscillators |
| 07/10/2007 | US7242253 Low noise amplifier |
| 07/10/2007 | US7242252 Transistor bias current regulation apparatus, method, and system |
| 07/10/2007 | US7242250 Power amplifier |
| 07/10/2007 | US7242249 Peaking transmission line receiver for logic signals |
| 07/10/2007 | US7242248 Class D amplifier |
| 07/10/2007 | US7242247 Distortion compensation circuit, power amplifier using distortion compensation circuit, and distortion compensation signal generating method |
| 07/10/2007 | US7242245 Method and apparatus for an improved power amplifier |
| 07/10/2007 | US7242244 Method and arrangement for testing a power output stage |
| 07/10/2007 | US7242171 Power converter circuit and method for power conversion |
| 07/10/2007 | US7242135 High voltage connection for vacuum electron device |
| 07/05/2007 | WO2007074231A2 Method and device for adjusting or setting an electronic device |
| 07/05/2007 | US20070153936 Digitally convertible radio |
| 07/05/2007 | US20070152756 Transimpedance amplifier using negative impedance compensation |
| 07/05/2007 | US20070152755 Regulated Power Supply Unit |
| 07/05/2007 | US20070152753 System and method for clamping a differential amplifier |
| 07/05/2007 | US20070152752 Bias circuit |
| 07/05/2007 | US20070152748 Power amplifier with low power distortion at output |
| 07/05/2007 | US20070152747 Multiplexed amplifier |
| 07/05/2007 | US20070152744 Variable gain voltage/current converter circuit having current compensation circuit for compensating for change in dc current flowing into active element for performing voltage/current conversion |
| 07/05/2007 | US20070152722 Comparator, Sample-and-Hold Circuit, Differential Amplifier, Two-Stage Amplifier, and Analog-to-Digital Converter |
| 07/05/2007 | US20070152137 Differential column readout scheme for CMOS APS pixels |
| 07/05/2007 | US20070152136 Transimpedance amplifier protection circuits |
| 07/05/2007 | DE102005062511A1 Ausgangsverstärker Output amplifier |
| 07/05/2007 | CA2634843A1 Method and device for adjusting or setting an electronic device |
| 07/04/2007 | EP1804379A1 Method of controlling the ratio of the amplification factors of two linear amplifiers, and corresponding device |
| 07/04/2007 | EP1804375A1 Differential amplifier circuit operable with wide range of input voltages |
| 07/04/2007 | EP1804374A2 Switching amplifier |
| 07/04/2007 | EP0890221B1 Conversion of a pcm signal into a upwm signal |
| 07/04/2007 | CN2919695Y Low-noise amplifier on top of tower |
| 07/04/2007 | CN2919690Y L wave band DMB high-linear power amplifier |
| 07/04/2007 | CN1993885A Transimpedance amplifier |
| 07/04/2007 | CN1993884A Transconductor circuits |
| 07/04/2007 | CN1993883A Amplifier circuit with automatic gain correction |
| 07/04/2007 | CN1993882A Power amplifier and pulse-width modulated amplifier |
| 07/04/2007 | CN1993665A Precision chopper-stabilized current mirror |
| 07/04/2007 | CN1992520A Precision triangular wave generator |
| 07/04/2007 | CN1992512A Differential amplifier and display device using the same |
| 07/04/2007 | CN1992511A Differential amplifier, data driver and display device |
| 07/04/2007 | CN1992509A 功率放大器 PA |
| 07/04/2007 | CN1324825C Optical signal receiving circuit and optical signal receiving semciconductor device |
| 07/04/2007 | CN1324812C LINC power transmitter |
| 07/04/2007 | CN1324806C 放大电路 Amplifier |
| 07/03/2007 | US7239852 Asymmetric, optimized common-source bi-directional amplifier |
| 07/03/2007 | US7239207 Transimpedance amplifier |
| 07/03/2007 | US7239206 Ultracapacitor audio amplifier |
| 07/03/2007 | US7239205 High frequency amplifier circuit and mobile communication terminal using the same |
| 07/03/2007 | US7239204 Current shunt instrumentation amplifier with extended bipolar input common mode range |
| 07/03/2007 | US7239201 Apparatus for controlling modulation of an alternating waveform on a DC voltage signal within a low-noise block controller |
| 07/03/2007 | US7239200 Power amplifying apparatus |
| 06/28/2007 | WO2007073259A1 Mixer circuit and rf transmitter using such mixer circuit |
| 06/28/2007 | WO2007073253A1 Minimizing tx noise in rx for tdd systems |
| 06/28/2007 | WO2007072276A1 A transconductor |
| 06/28/2007 | WO2007019281A3 Origami cascaded topology for analog and mixed-signal applications |
| 06/28/2007 | US20070149151 LINC power transmitter |
| 06/28/2007 | US20070147553 Automatically setting an operative state of a wideband amplifier |
| 06/28/2007 | US20070147541 Transmitter apparatus and wireless communication apparatus |
| 06/28/2007 | US20070146940 Switch mode power supply with output voltage equalizer |
| 06/28/2007 | US20070146080 Burst-Mode TIA (Trans-Impedance Amplifier) |
| 06/28/2007 | US20070146079 Monolithically integrated power amplifier device |
| 06/28/2007 | US20070146078 Selective amplifier |
| 06/28/2007 | US20070146077 Radio frequency power amplifier |
| 06/28/2007 | US20070146076 Power amplifier unit, communication terminal and control method of power amplifier unit |
| 06/28/2007 | US20070146073 Differential circuit with offset control |
| 06/28/2007 | US20070146072 Clock signal output circuit |
| 06/28/2007 | US20070146071 Common-gate common-source transconductance stage for rf downconversion mixer |
| 06/28/2007 | US20070146070 Differential cascode amplifier |
| 06/28/2007 | US20070146069 Filterless class D power amplifier |
| 06/28/2007 | US20070146067 Switching amplifier |
| 06/28/2007 | US20070146066 Methods for reducing switching interference in switching amplifiers |
| 06/28/2007 | US20070146045 Source follower circuit or bootstrap circuit, driver circuit comprising such circuit, and display device comprising such driver circuit |
| 06/28/2007 | US20070145244 Image sensor |
| 06/28/2007 | US20070145243 System and methods for dynamic range extension using variable length integration time sampling |