| Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272) |
|---|
| 07/11/2002 | WO2002014098A3 Safe distance algorithm for adaptive cruise control |
| 07/11/2002 | US20020090921 Transmitter circuits |
| 07/11/2002 | US20020090920 High-efficiency modulating RF amplifier |
| 07/11/2002 | US20020089801 Short circuit power limiter |
| 07/11/2002 | US20020089379 Switched supply for operational 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 | 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 | CN1357969A Fast set low-power bias unit and method for single-end circuit |
| 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 | US6418301 Methods for radio calibration at room temperature |
| 07/09/2002 | US6418231 High back EMF, high pressure subwoofer having small volume cabinet, low frequency cutoff and pressure resistant surround |
| 07/09/2002 | US6418173 Transmission Apparatus |
| 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 | US6417732 Controller for RF power generator with reduced cable length sensitivity |
| 07/09/2002 | US6417731 Distortion-compensated amplifier device |
| 07/09/2002 | US6417729 Linear power control loop |
| 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 | WO2002052720A2 Circuit for low noise, fully differential amplification |
| 07/04/2002 | WO2002052719A1 Linearized power amplifier unit |
| 07/04/2002 | WO2002052718A2 Feed-forward amplifier loop control utilizing if signal processing |
| 07/04/2002 | WO2002052717A2 Feed-forward amplifier loop control utilizing if signal processing |
| 07/04/2002 | WO2001099439A3 Adaptive equalisation, in particular for linc processing |
| 07/04/2002 | WO2001080420A3 Amplifier circuit |
| 07/04/2002 | US20020086709 Transmission power amplifier unit |
| 07/04/2002 | US20020086649 CMOS radio frequency amplifier with inverter driver |
| 07/04/2002 | US20020085647 Radio apparatus having distortion compensating function |
| 07/04/2002 | US20020084855 Low power low noise amplifier |
| 07/04/2002 | US20020084854 RF power amplifier with distributed bias circuit |
| 07/04/2002 | US20020084853 Configurable power amplifier and bias control |
| 07/04/2002 | US20020084850 Temperature compensation circuit and a variable gain amplification circuit |
| 07/04/2002 | US20020084847 Digital linearizer of high power amplifier and digital linearizing method |
| 07/04/2002 | US20020084845 Closed loop active cancellation technique (ACT) - based RF power amplifier linearization architecture |
| 07/04/2002 | US20020084844 High efficiency stage-switching CDMA power amplifier |
| 07/04/2002 | US20020084840 Feedback-type amplifier circuit and driver circuit |
| 07/04/2002 | US20020084811 xDSL class C-AB driver |
| 07/04/2002 | US20020084774 xDSL feedback class C-AB driver |
| 07/04/2002 | DE10100152A1 Sendevorrichtung Transmitting device |
| 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 | EP1220443A1 xDSL class C-AB driver |
| 07/03/2002 | EP1220442A1 XDSL feedback class c-ab driver |
| 07/03/2002 | EP1219025A1 Method for linearising a high-frequency amplifier |
| 07/03/2002 | EP1219024A1 Amplifier |
| 07/03/2002 | EP1217940A1 Methods of calibrating in vivo sensor systems using in vivo generating electrodes and related devices |
| 07/03/2002 | CN1357171A System and method for converting from single-ended to differential signals |
| 07/03/2002 | CN1357170A Biasing circuit for VGS drift and thermal compensation of power device |
| 07/03/2002 | CN1356727A Semiconductor device including bipolar transistor elements |
| 07/02/2002 | US6414614 Power output stage compensation for digital output amplifiers |
| 07/02/2002 | US6414553 Power amplifier having a cascode current-mirror self-bias boosting circuit |
| 07/02/2002 | US6414550 CMOS linear amplifier formed with nonlinear transistors |
| 07/02/2002 | US6414549 Wide bandwidth, current sharing, MOSFET audio power amplifier with multiple feedback loops |
| 07/02/2002 | US6414546 Adaptive linearizer for RFpower amplifiers |
| 07/02/2002 | US6414545 Predistortion to improve linearity of an amplifier |
| 07/02/2002 | US6414516 CMOS output amplifier independent of temperature, supply voltage and manufacturing quality of transistors |
| 06/27/2002 | WO2002051000A1 Complementary pair-configured telecommunication line driver having synthesized output impedance |
| 06/27/2002 | WO2002050999A1 Power amplifier |
| 06/27/2002 | WO2002050997A1 Feedforward amplifier, communication apparatus, feedforward amplifying method, program and medium |
| 06/27/2002 | WO2002050996A2 Compact cascode radio frequency cmos power amplifier |
| 06/27/2002 | WO2002050995A2 Efficient, precise rf modulation using multiple amplifier stages |
| 06/27/2002 | WO2002050994A2 Linearized class c amplifier with dynamic biasing |
| 06/27/2002 | WO2002023692A3 Voltage clamping circuit |
| 06/27/2002 | WO2002015392A3 Circuit configuration for identifying a faulty state |
| 06/27/2002 | WO2002011279A3 System and method for auto-bias of an amplifier |
| 06/27/2002 | WO2001065722A3 Method and transmission circuit for producing a transmission signal |
| 06/27/2002 | WO2001047117A9 High sheet mos resistor method and apparatus |
| 06/27/2002 | US20020080891 Base station transmitter having digital predistorter and predistortion method thereof |
| 06/27/2002 | US20020079977 Oscillator and communication apparatus using the same |
| 06/27/2002 | US20020079971 Compact cascode radio frequency CMOS power amplifier |
| 06/27/2002 | US20020079969 Semiconductor device |
| 06/27/2002 | US20020079965 Predistortion-type distortion compensation amplifying apparatus |
| 06/27/2002 | US20020079964 Distortion compensation apparatus |
| 06/27/2002 | US20020079963 Distortion compensating device and method for compensating distortion |
| 06/27/2002 | US20020079962 Efficient, precise RF modulation using multiple amplifier stages |
| 06/27/2002 | US20020079961 Amplification device with optimized linearity |
| 06/27/2002 | US20020079960 Method and apparatus for high efficiency power amplification |
| 06/27/2002 | US20020079876 Bandgap reference circuit |
| 06/26/2002 | EP1217754A1 Amplifier circuit, radio transmitter, method and use |
| 06/26/2002 | EP1217753A1 Linear RF power amplifier and transmitter |
| 06/26/2002 | EP1217741A1 Low power circuit with slew rate adjustment |
| 06/26/2002 | EP1217730A2 Method for suppressing noise peaks in a wanted signal |
| 06/26/2002 | EP1217726A2 High-frequency amplifier circuit for UHF television tuner having less distortion |
| 06/26/2002 | EP1217725A1 Monolithic integrated microwave voltage level shifting diode especially for microwave broadband optoelectronic transmitter |
| 06/26/2002 | EP1216559A2 Method for adjusting a phase angle of a phase modifier of a transmitting device |
| 06/26/2002 | EP1216558A1 Transmitting-receiving device comprising a closed cartesian feedback loop |
| 06/26/2002 | CN1355957A Overvoltage protection |
| 06/26/2002 | CN1355956A Broadcast transmission system with correction for distortion |
| 06/26/2002 | CN1355955A Broadcast transmission system with sampling and correction arrangement for correcting distortion caused by amplifying and signal conditioning components |
| 06/26/2002 | CN1355954A Broadcast transmission system with distributed correction |
| 06/26/2002 | CN1086863C Amplifier circuit for transmitter |
| 06/25/2002 | US6411644 Frequency hop pilot technique for a control system that reduces distortion produced by electrical circuits |