| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 05/15/2007 | US7218909 Integrated low noise amplifier |
| 05/15/2007 | US7218865 Burst-mode optical receiver of differential output structure |
| 05/15/2007 | US7218179 Methods and apparatus for calibrating gm-Z |
| 05/15/2007 | US7218174 Delay circuit and method therefor |
| 05/15/2007 | US7218173 Minimum on time, dual supply class D amplifiers with ground speaker returns and methods of class D amplification |
| 05/15/2007 | US7218166 Current stabilization circuit, current stabilization method, and solid-state imaging apparatus |
| 05/15/2007 | US7218150 Semiconductor integrated circuit device and differential small-amplitude data transmission apparatus |
| 05/10/2007 | WO2007053077A1 Bypass device for microwave amplifier unit |
| 05/10/2007 | WO2007052389A1 Power amplifier and its idling current setting circuit |
| 05/10/2007 | WO2007052002A1 Monolithic lna support ic |
| 05/10/2007 | US20070104493 Optical receiver preamplifier |
| 05/10/2007 | US20070104338 Amplifier Arrangement and Distributed Audio System |
| 05/10/2007 | US20070103237 Amplifier |
| 05/10/2007 | US20070103236 Apparatus, methods and articles of manufacture for processing an electromagnetic wave |
| 05/10/2007 | US20070103235 Inductorless broadband RF low noise amplifier |
| 05/10/2007 | US20070103234 Class D amplifier |
| 05/10/2007 | US20070103230 Method and system for creating a spectral null in a switching amplifier |
| 05/10/2007 | US20070103227 Voltage Buffer for Capacitive Loads |
| 05/10/2007 | US20070102624 Row driven imager pixel |
| 05/10/2007 | DE10341320B4 Differenzverstärkerschaltung Differential amplifier circuit |
| 05/10/2007 | DE102005051778A1 Analoger Signalverarbeitunsblock Analog Signalverarbeitunsblock |
| 05/09/2007 | EP1783933A1 Distortion cancellation circuitry for optical receivers |
| 05/09/2007 | EP1783899A2 High-bandwidth high-gain amplifier |
| 05/09/2007 | EP1783898A2 High-bandwidth high-gain amplifier |
| 05/09/2007 | EP1783897A1 Switched-capacitor amplifier arrangement and method |
| 05/09/2007 | EP1783896A2 Apparatus for optimizing gate bias of radio frequency amplifier and method thereof |
| 05/09/2007 | EP1783895A2 Transconductance amplifiers with compensation |
| 05/09/2007 | EP1783894A2 Amplifiers with compensation |
| 05/09/2007 | EP1782544A1 High power parallel block-up converter |
| 05/09/2007 | EP1569359B1 Method and apparatus for optimizing transmitter power efficiency |
| 05/09/2007 | EP1425850B1 Circuits and methods for compensating switched mode amplifiers |
| 05/09/2007 | CN2899284Y Radio-frequency power amplifier |
| 05/09/2007 | CN1961477A Automatic current reduction biasing technique for RF amplifier |
| 05/09/2007 | CN1960175A Method and apparatus to control output power of a power amplifier and audio player having the same |
| 05/09/2007 | CN1960174A Differential amplifiers and semiconductor circuit |
| 05/09/2007 | CN1960173A 功率输出级 Power output stage |
| 05/09/2007 | CN1960172A Filtering free circuit class D power amplifier |
| 05/09/2007 | CN1960171A Class d amplifier and infrared data receiving apparatus using the same |
| 05/09/2007 | CN1960170A Output offset protection for power amplifier |
| 05/09/2007 | CN1960169A Amplifiers with compensation |
| 05/09/2007 | CN1960167A High-bandwidth high-gain amplifier |
| 05/09/2007 | CN1960166A High-bandwidth high-gain amplifier |
| 05/09/2007 | CN1315255C Variable gain low-noise amplifier for a wireless terminal |
| 05/08/2007 | US7215206 Stacked RF power amplifier |
| 05/08/2007 | US7215205 Power amplifier arrangement and method for processing a radiofrequency signal |
| 05/08/2007 | US7215204 Intelligent high-power amplifier module |
| 05/08/2007 | US7215203 High frequency power amplifier circuit device |
| 05/08/2007 | US7215201 Integrated circuit having a low power, gain-enhanced, low noise amplifying circuit |
| 05/08/2007 | US7215200 High-linearity differential amplifier with flexible common-mode range |
| 05/08/2007 | US7215199 Method and system for simplifying common mode feedback circuitry in multi-stage operational amplifiers |
| 05/08/2007 | US7215198 Fully differential current-feedback CMOS/bipolar operational amplifier |
| 05/08/2007 | US7215197 Programmable gain instrumentation amplifier with improved gain multiplexers |
| 05/08/2007 | US7215196 Variable impedance circuit, variable gain differential amplifier, multiplier, high-frequency circuit and differential distributed amplifier |
| 05/08/2007 | US7215195 Differential amplifier and operational amplifier |
| 05/08/2007 | US7215194 Extended bandwidth amplifier and oscillator using positive current feedback through inductive load |
| 05/08/2007 | US7215193 Method and apparatus for limiting power amplifier voltage excursions |
| 05/08/2007 | US7215192 High efficiency power amplifier |
| 05/08/2007 | US7215191 Device for amplitude adjustment and rectification made with MOS technology |
| 05/08/2007 | US7215160 Switched operation amplifier |
| 05/08/2007 | US7215159 Comparator, sample-and-hold circuit, differential amplifier, two-stage amplifier, and analog-to-digital converter |
| 05/08/2007 | US7215157 Small-amplitude differential interface circuit |
| 05/08/2007 | US7215153 Fully differential input buffer with wide signal swing range |
| 05/03/2007 | WO2007050257A2 Active input load wide bandwidth low noise hemt amplifier |
| 05/03/2007 | WO2007049898A1 Digital audio amplifier and digital audio amplifying method therefor |
| 05/03/2007 | WO2007049391A1 Distribution type amplifier and integrated circuit |
| 05/03/2007 | WO2007049390A1 Differential amplifier |
| 05/03/2007 | WO2007049386A1 Open gain adjustment circuit for operational amplifier |
| 05/03/2007 | WO2007004189A3 Device comprising a feedback-less gain controlled amplifier |
| 05/03/2007 | WO2006031304A3 Single supply direct drive amplifier |
| 05/03/2007 | US20070098190 Method and apparatus to control output power of a digital power amplifier optimized to a headphone and a portable audio player having the same |
| 05/03/2007 | US20070097579 Logic circuit with restrained leak current to differential circuit |
| 05/03/2007 | US20070096831 Multi-stage broadband amplifiers |
| 05/03/2007 | US20070096830 Wideband circuits and methods |
| 05/03/2007 | US20070096828 Cross-differential amplifier |
| 05/03/2007 | US20070096827 Multi controlled output levels cmos power amplifier (pa) |
| 05/03/2007 | US20070096821 Wide-band amplifier |
| 05/03/2007 | US20070096820 Differential amplifier and active load for the same |
| 05/03/2007 | US20070096819 CMOS amplifier |
| 05/03/2007 | US20070096818 Variable-Gain Amplifier and Related Method |
| 05/03/2007 | US20070096817 High-bandwidth high-gain amplifier |
| 05/03/2007 | US20070096816 Rf power amplifier and method for packaging the same |
| 05/03/2007 | US20070096815 Analog preamplifier calibration |
| 05/03/2007 | US20070096814 Differential amplifiers |
| 05/03/2007 | US20070096813 Differential circuit with improved linearity |
| 05/03/2007 | US20070096812 Switching amplifier with output filter feedback |
| 05/03/2007 | US20070096809 Radio frequency power amplifier |
| 05/03/2007 | US20070096806 RF power transmission, modulation, and amplification embodiments |
| 05/03/2007 | US20070096805 Multiple power mode amplifier with bias modulation option and without bypass switches |
| 05/03/2007 | US20070096803 Low-distortion tri-state switching amplifier |
| 05/03/2007 | US20070096802 Low-distortion tri-state switching amplifier |
| 05/03/2007 | US20070096801 Amplifier circuit |
| 05/03/2007 | US20070096013 Light-receiving amplifier and optical pickup device |
| 05/03/2007 | DE102006006875B3 Linear amplification arrangement for load-path HF signals, has voltage for non-linear amplifiers supplied from third amplifier for load-pass filter component of HF signal envelope |
| 05/03/2007 | DE102004014731B4 Mess-Schaltung für den Ausgang eines Leistungsverstärkers sowie ein die Mess-Schaltung umfassender Leistungsverstärker Measuring circuit for the output of a power amplifier and a measuring circuit comprehensive power amplifier |
| 05/02/2007 | EP1779536A1 A radio transmitter and a method of operating a radio transmitter |
| 05/02/2007 | EP1779508A1 Dual mode audio amplifier |
| 05/02/2007 | EP1532732B1 System and method for establishing the input impedance of an amplifier in a stacked configuration |
| 05/02/2007 | EP1088393B1 Amplifier arrangement |
| 05/02/2007 | CN1957527A Differential stage voltage offset trim circuitry |
| 05/02/2007 | CN1956320A Amplifier circuit |