| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 04/22/2008 | US7362176 High efficiency linear amplifier |
| 04/22/2008 | US7362175 Low-consumption voltage amplifier |
| 04/22/2008 | US7362174 Current-controlled CMOS (C3MOS) wideband input data amplifier for reduced differential and common-mode reflection |
| 04/22/2008 | US7362173 System and method for providing slew rate enhancement for two stage CMOS amplifiers |
| 04/22/2008 | US7362172 Variable gain circuit |
| 04/22/2008 | US7362171 High-frequency amplifier |
| 04/22/2008 | US7362170 High gain, high efficiency power amplifier |
| 04/22/2008 | US7362168 Audio amplifier |
| 04/22/2008 | US7362144 Low jitter input buffer with small input signal swing |
| 04/22/2008 | US7362142 Current source apparatus, light-emitting-device apparatus and digital-analog converting apparatus |
| 04/22/2008 | US7362141 Logic device with low EMI |
| 04/22/2008 | US7362082 Switch mode power supply with output voltage equalizer |
| 04/22/2008 | US7361882 Method and apparatus for providing non-linear, passive quenching of avalanche currents in Geiger-mode avalanche photodiodes |
| 04/17/2008 | WO2008044750A1 Low-noise amplifier |
| 04/17/2008 | WO2008044268A1 Transmitter apparatus and transmitting method |
| 04/17/2008 | WO2008043843A1 Electronically adjustable gain slope controller circuit |
| 04/17/2008 | WO2007112156A3 Pwm feedback/feed-forward protection |
| 04/17/2008 | US20080088377 Apparatus for and method of biasing a transistor |
| 04/17/2008 | US20080088376 High frequency power amplifier |
| 04/17/2008 | US20080088375 Class Ad Audio Amplifier |
| 04/17/2008 | US20080088374 Variable gain amplifiers |
| 04/17/2008 | US20080088373 Differential amplifier using body-source cross coupling |
| 04/17/2008 | US20080088372 Subtractor circuit and operational amplifier |
| 04/17/2008 | US20080088371 Method, apparatus and system for reducing DC coupling capacitance at switching amplifier |
| 04/17/2008 | US20080088370 Method, apparatus and system for reducing noise from an amplifier |
| 04/17/2008 | US20080088369 Enhanced doherty amplifier with asymmetrical semiconductors |
| 04/17/2008 | DE19742826B4 Optische Eingangsschaltung Optical input circuit |
| 04/17/2008 | DE102007026297A1 Dämpfungsglied Attenuator |
| 04/17/2008 | DE102004031603B4 Verfahren zur Formung von Signalspektren und Schaltung zur Durchführung des Verfahrens A method of forming of signal spectra and circuit for carrying out the method |
| 04/17/2008 | DE10126236B4 Verstärker Amplifier |
| 04/16/2008 | EP1912328A1 Highly efficient amplifier |
| 04/16/2008 | EP1911155A1 Two stage microwave class e power amplifier |
| 04/16/2008 | EP1766908B1 Receiver for a differential data bus |
| 04/16/2008 | EP1598943B1 Transmission device and adjustment method thereof |
| 04/16/2008 | EP1569329B1 Activation signal output circuit and determining circuit |
| 04/16/2008 | CN101164233A Receiver comprising an amplifier |
| 04/16/2008 | CN101164229A High linearity doherty communication amplifier with bias control |
| 04/16/2008 | CN101164228A A parallel arranged linear amplifier and dc-dc converter |
| 04/16/2008 | CN101164227A A power supply system. |
| 04/16/2008 | CN101162928A High frequency power amplifier |
| 04/16/2008 | CN101162893A Variable gain amplifiers |
| 04/16/2008 | CN101162892A Amplifying circuit with pull-up and pull-down circuit to increase turning rate |
| 04/16/2008 | CN101162891A Amplifying circuit having cancelling circuit coupled on op-amp lead-out |
| 04/16/2008 | CN101162162A Low-power consumption two-wire system vortex flowmeter |
| 04/16/2008 | CN100382429C Integratable, voltage-controlled RF power amplifier |
| 04/15/2008 | US7360005 Software programmable multiple function integrated circuit module |
| 04/15/2008 | US7359414 Excessive current input suppressing semiconductor laser light emitting circuit |
| 04/15/2008 | US7359206 Radio frequency isolation system and cover assembly for vacuum electron device |
| 04/15/2008 | US7359170 RF circuit electrostatic discharge protection |
| 04/15/2008 | US7358968 Sustain driver, sustain control system, and plasma display |
| 04/15/2008 | US7358946 Offset cancel circuit of voltage follower equipped with operational amplifier |
| 04/15/2008 | US7358819 Reduced-size sensor circuit |
| 04/15/2008 | US7358818 Optical receiver for an optical communication |
| 04/15/2008 | US7358817 Linearized bias circuit with adaptation |
| 04/15/2008 | US7358815 Monolithic transformer based amplifier for integrated circuits |
| 04/15/2008 | US7358814 Differential amplifier and methods for use therewith |
| 04/15/2008 | US7358813 Differential operational amplifier |
| 04/15/2008 | US7358812 Class AB operational buffer |
| 04/15/2008 | US7358811 CMOS variable gain amplifier for controlling dB linear gain |
| 04/15/2008 | US7358810 Buffer amplifier |
| 04/15/2008 | US7358809 Method for forming elements with reduced variation |
| 04/15/2008 | US7358808 Method and device for amplification of data signals over power lines |
| 04/15/2008 | US7358806 Method and apparatus for an improved power amplifier |
| 04/15/2008 | US7358805 Fully differential sensing apparatus and input common-mode feedback circuit thereof |
| 04/15/2008 | US7358803 Broadband high efficiency traveling wave tube amplifier system |
| 04/15/2008 | US7358780 Low voltage differential signal driver with high power supply rejection ration |
| 04/15/2008 | US7358777 Current feedback amplifiers |
| 04/15/2008 | US7358477 Method of optimization of measurement time for optical mouse sensor |
| 04/10/2008 | WO2008042709A2 Enhanced doherty amplifier with asymmetrical semiconductors |
| 04/10/2008 | WO2008042550A2 Amplifier containing programmable impedance for harmonic termination |
| 04/10/2008 | WO2008042188A2 Signal conditioning circuit, a comparator including such a conditioning circuit and a successive approximation converter including such a circuit |
| 04/10/2008 | WO2008041948A1 A low noise amplifier circuit with noise cancellation and increased gain |
| 04/10/2008 | WO2008041447A1 Pulse conversion circuit, semiconductor integrated circuit and electronic device |
| 04/10/2008 | US20080084245 Operational amplifier |
| 04/10/2008 | DE10351593B4 Integrierte Vorverstärkerschaltung für die Erfassung eines Signalstroms von einer Photodiode Integrated preamplifier for detecting a signal current of a photodiode |
| 04/10/2008 | DE102006044732A1 Dreistufiger Verstärker Three-stage amplifier |
| 04/09/2008 | EP1909387A1 Conversion circuit for converting differential signal into single-phase signal |
| 04/09/2008 | EP1908168A2 Temperature-independent amplifier offset trim circuit |
| 04/09/2008 | EP1908167A1 Compensation for parasitic coupling between rf or microwave transistors in the same package |
| 04/09/2008 | CN101160717A Class-D amplifier |
| 04/09/2008 | CN101160716A Device comprising a switching amplifier and a load |
| 04/09/2008 | CN101160714A Signal modulation method and circuit for class-D amplification |
| 04/09/2008 | CN100380266C Bias circuit for maintaining a constant value of transconductance divided by load capacitance |
| 04/08/2008 | US7356315 Outphasing modulators and methods of outphasing modulation |
| 04/08/2008 | US7356314 Systems and methods for reusing a low noise amplifier in a wireless communications device |
| 04/08/2008 | US7356092 Wireless communication system and communication semiconductor integrated circuit device |
| 04/08/2008 | US7355481 Amplification circuit and control method of amplification circuit |
| 04/08/2008 | US7355480 Bias circuit |
| 04/08/2008 | US7355479 Neutralization of feedback capacitance in amplifiers |
| 04/08/2008 | US7355474 Methods for reducing switching interference in switching amplifiers |
| 04/08/2008 | US7355473 Filterless class D power amplifier |
| 04/08/2008 | US7355472 Method and device for correcting signal distortions in an amplifier device |
| 04/03/2008 | WO2008039624A2 Sense amplifier circuit for low voltage applications |
| 04/03/2008 | WO2008039594A1 Signal processing method and power amplifier device |
| 04/03/2008 | WO2008039503A2 Broadband low noise amplifier |
| 04/03/2008 | WO2008038998A1 Darlington circuit with constant voltage source and integrated circuit device integrated the darlington circuit with constant voltage source |
| 04/03/2008 | WO2008038688A1 Am loop antenna input circuit and am radio receiver using the same |
| 04/03/2008 | US20080081590 Bypassable low noise amplifier topology with multi-tap transformer |
| 04/03/2008 | US20080079498 System and method for DC correction in wireless receivers |
| 04/03/2008 | US20080079497 Low Noise Amplifier With Embedded Filter and Related Wireless Communication Unit |