| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 07/18/2002 | WO2002056647A2 Circuit for linearizing electronic devices |
| 07/18/2002 | WO2002056463A2 System and method for linearizing vacuum electronic amplification |
| 07/18/2002 | WO2002056461A1 High-frequency semiconductor device |
| 07/18/2002 | WO2002056459A2 A high performance intermediate stage circuit for a rail-to-rail input/output cmos operational amplifier |
| 07/18/2002 | WO2002056458A2 A fully differential, variable-gain amplifier and a multidimensional amplifier arrangement |
| 07/18/2002 | WO2002056368A1 High-frequency power amplifier and radio communication device |
| 07/18/2002 | WO2002037672A3 Multiple-voltage supply power amplifier with dynamic headroom control |
| 07/18/2002 | WO2002001709A3 High-frequency amplifier circuit with negative impedance cancellation |
| 07/18/2002 | WO2001095484B1 Method and apparatus for switching stages of a multistage amplifier quickly between operational modes |
| 07/18/2002 | WO2001075973A3 Combined transistor-capacitor structure in deep sub-micron cmos for power amplifiers |
| 07/18/2002 | US20020093752 High bandwidth low noise cross-coupled amplifier |
| 07/18/2002 | US20020093596 Video amplifier circuits for multi-output distribution of video signals |
| 07/18/2002 | US20020093382 MOSFET well biasing scheme that mitigates body effect |
| 07/18/2002 | US20020093381 High frequency differential amplifier |
| 07/18/2002 | US20020093380 Low noise amplifier |
| 07/18/2002 | US20020093379 System and method for linearizing vacuum electronic amplification |
| 07/18/2002 | US20020093378 Amplifier circuit, radio transmitter, method and use |
| 07/18/2002 | US20020093377 Power amplification circuit and communication device using the same |
| 07/18/2002 | US20020092972 Transimpedance amplifier with an in-situ optical power meter |
| 07/18/2002 | DE10037373C1 Control method for electroacoustic transducer e.g. audio loudspeaker, has transducer coil electrodes coupled to same non-zero potential in rest phase |
| 07/18/2002 | CA2427913A1 Circuit for linearizing electronic devices |
| 07/17/2002 | EP1223671A2 Feedback-type amplifier circuit and driver circuit |
| 07/17/2002 | EP1222693A1 Improved heat dissipation in an amplifier circuit by interleaved configuration of two power transistors |
| 07/16/2002 | US6420935 Controller-based radio frequency amplifier module and method |
| 07/16/2002 | US6420933 Low distortion current-to-current converter |
| 07/16/2002 | US6420932 Variable offset amplifier circuit |
| 07/16/2002 | US6420931 High swing output circuit having differential to single-ended conversion and method |
| 07/16/2002 | US6420930 Class D audio amplifier |
| 07/16/2002 | US6420928 AC coupled pre-amplifier for burst signal |
| 07/16/2002 | US6420912 Voltage to current converter |
| 07/16/2002 | US6420911 Ballast circuit for operating a lamp |
| 07/16/2002 | US6420910 Quasi-current sensing input impedance controlled preamplifier for magnetoresistive elements |
| 07/16/2002 | US6420909 Comparators |
| 07/16/2002 | CA2236241C Amplifier with reduced input capacitance |
| 07/11/2002 | WO2002054595A1 Input stage with selectable input impedance |
| 07/11/2002 | WO2002054589A2 Triple class e doherty amplifier topology for high efficiency signal transmitters |
| 07/11/2002 | WO2002054588A2 Multiplexed input envelope restoration scheme for linear high-efficiency power amplification |
| 07/11/2002 | WO2002054587A2 Envelope restoration scheme for linear high-efficiency power amplification |
| 07/11/2002 | WO2002054586A1 Cmos radio frequency amplifier with inverter driver |
| 07/11/2002 | WO2002054585A1 High-frequency amplifier |
| 07/11/2002 | WO2002054583A2 Rf power amplifier with distributed bias circuit |
| 07/11/2002 | WO2002054582A1 Amplifier circuit for am broadcasing |
| 07/11/2002 | WO2002054581A2 Class e doherty amplifier topology for high efficiency signal transmitters |
| 07/11/2002 | WO2002039577A3 Linear modulation using a linear and a non-linear amplifier |
| 07/11/2002 | WO2002029823A3 Compact ultra-low noise high-bandwidth pixel amplifier for single-photon readout of photodetectors |
| 07/11/2002 | US20020090920 High-efficiency modulating RF amplifier |
| 07/11/2002 | US20020089385 Planar dielectric integrated circuit |
| 07/11/2002 | US20020089380 High-frequency power amplifier module |
| 07/11/2002 | US20020089378 Current controlled CMOS transconductive amplifier arrangement |
| 07/11/2002 | US20020089377 Constant transconductance differential amplifier |
| 07/11/2002 | US20020089376 Dynamic switching frequency control for a digital switching amplifier |
| 07/11/2002 | US20020089374 RF amplifier with feedback based linearization |
| 07/11/2002 | US20020089373 RF amplifier |
| 07/11/2002 | US20020089372 Mutiple traveling wave tube amplifier electronic power conditioner with centralized low voltage and distributed high voltage |
| 07/11/2002 | US20020089355 Differential comparison circuit |
| 07/11/2002 | DE10064207A1 Schaltungsanordnung zur rauscharmen volldifferenziellen Verstärkung Circuit arrangement for low noise fully differential gain |
| 07/11/2002 | CA2400759A1 Rf power amplifier with distributed bias circuit |
| 07/10/2002 | EP1221195A1 Methods and apparatus for noise shaping a mixed signal power output |
| 07/10/2002 | CN1357968A Transconductance amplifier with improved linearity and low deviation |
| 07/10/2002 | CN1087521C Method and apparatus for amplifying signal |
| 07/09/2002 | US6418304 Method and apparatus for improving efficiency of high-power linear amplifier |
| 07/09/2002 | US6417736 Multiple-voltage supply power amplifier with dynamic headroom control |
| 07/09/2002 | US6417735 Amplifier with bias compensation using a current mirror circuit |
| 07/09/2002 | US6417734 High-frequency amplifier circuit with negative impedance cancellation |
| 07/09/2002 | US6417733 High output voltage swing class AB operational amplifier output stage |
| 07/09/2002 | US6417732 Controller for RF power generator with reduced cable length sensitivity |
| 07/09/2002 | US6417731 Distortion-compensated amplifier device |
| 07/09/2002 | US6417728 Switched-capacitor, fully-differential operational amplifier with high switching frequency |
| 07/09/2002 | US6417722 Sense amplifier configuration having a field-effect transistor having a short channel length and an adjustable threshold voltage |
| 07/09/2002 | US6417717 Hierarchical multiplexer for analog array readout |
| 07/09/2002 | US6417656 Temperature characteristic compensating circuit and semiconductor integrated circuit having the same |
| 07/09/2002 | US6417504 Compact ultra-low noise high-bandwidth pixel amplifier for single-photon readout of photodetectors |
| 07/04/2002 | WO2002052737A1 Limit circuit |
| 07/04/2002 | WO2002052723A2 High-efficiency solid state power amplifier |
| 07/04/2002 | WO2002052722A1 Microwave amplifier with bypass segment |
| 07/04/2002 | WO2002052721A1 Amplifier circuit and method for reducing stray feedback |
| 07/04/2002 | WO2002052720A2 Circuit for low noise, fully differential amplification |
| 07/04/2002 | WO2002052589A1 Semiconductor device, and method and apparatus for manufacturing semiconductor device |
| 07/04/2002 | WO2002052588A1 Semiconductor device, and method and apparatus for manufacturing semiconductor device |
| 07/04/2002 | WO2002025357A3 Controlled self-oscillation modulator |
| 07/04/2002 | WO2001080420A3 Amplifier circuit |
| 07/04/2002 | US20020086651 Precision automatic gain control circuit |
| 07/04/2002 | US20020086649 CMOS radio frequency amplifier with inverter driver |
| 07/04/2002 | US20020084864 Modulation device of the pulse width of very high-frequency signals |
| 07/04/2002 | US20020084855 Low power low noise amplifier |
| 07/04/2002 | US20020084854 RF power amplifier with distributed bias circuit |
| 07/04/2002 | US20020084852 Modular high power solid state amplifier |
| 07/04/2002 | US20020084851 Current feedback operational amplifier |
| 07/04/2002 | US20020084850 Temperature compensation circuit and a variable gain amplification circuit |
| 07/04/2002 | US20020084848 Differential amplifier output stage |
| 07/04/2002 | US20020084843 Method and apparatus providing digital error correction for a class D power stage |
| 07/04/2002 | US20020084842 Dc offset canceling circuit applied in a variable gain amplifier |
| 07/04/2002 | US20020084840 Feedback-type amplifier circuit and driver circuit |
| 07/04/2002 | US20020084811 xDSL class C-AB driver |
| 07/03/2002 | EP1220594A1 Electrical apparatus comprising shield and transmission means with signal filtering across the shield |
| 07/03/2002 | EP1220449A2 Amplifier |
| 07/03/2002 | EP1220444A1 Differential output amplifier arrangement |
| 07/03/2002 | EP1220443A1 xDSL class C-AB driver |
| 07/03/2002 | EP1219087A1 Method and apparatus for multiple channel signal processing |
| 07/03/2002 | EP1219024A1 Amplifier |