| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 11/30/2000 | DE19924107A1 Transistorverstärker Transistor amplifier |
| 11/30/2000 | CA2371595A1 Amplifier circuit |
| 11/30/2000 | CA2371593A1 Amplifier circuit |
| 11/29/2000 | EP1056229A2 Optical receiving apparatus and method |
| 11/29/2000 | EP1056196A2 Amplifying circuit |
| 11/29/2000 | EP1056195A2 A multiple differential pair transistor architecture having transconductance proportional to bias current for any transitor technology |
| 11/29/2000 | EP1056194A1 Transistor amplifier |
| 11/29/2000 | EP1055284A1 Circuit comprising means for reducing the dc-offset and the noise produced by an amplifier |
| 11/29/2000 | EP1055191A1 A high gain input stage for a radio frequency identification (rfid) transponder and method therefor |
| 11/29/2000 | CN2408614Y Digit pulse audio frequency power converter |
| 11/29/2000 | CN1274997A High-speed input buffer circuit for low-voltage interface |
| 11/29/2000 | CN1274989A Bias circuit and method for multistage power amplifier |
| 11/29/2000 | CN1274988A Isolating high-frequency tuned amplifier |
| 11/29/2000 | CN1274877A Personal computer with amplifier |
| 11/28/2000 | US6154664 Dual band cellular phone with two power amplifiers and power control circuit therefore |
| 11/28/2000 | US6154333 Amplification circuit |
| 11/28/2000 | US6154094 High power output stage with temperature stable precisely controlled quiescent current and inherent short circuit protection |
| 11/28/2000 | US6154092 Circuits for preventing unwanted output transients in amplifiers during power-up |
| 11/28/2000 | US6154069 Circuit for driving capacitive load |
| 11/28/2000 | US6154063 Class AB emitter follower buffers |
| 11/28/2000 | US6154018 High differential impedance load device |
| 11/28/2000 | US6154016 Voltage-to-current converting circuit which has a wide control range and which utilizes a depletion type field effect transistor |
| 11/28/2000 | CA2179469C Linear low-noise mixer |
| 11/23/2000 | WO2000070756A1 Compensation mechanism for compensating bias levels of an operation circuit in response to supply voltage changes |
| 11/23/2000 | WO2000070755A1 Signal amplifier and balanced input/output differential amplifier |
| 11/23/2000 | WO2000070754A1 Distortion reduction technique for inductive boost amplifier |
| 11/23/2000 | WO2000070753A1 Load compensation technique for reactive impedance transformation amplifier output stage |
| 11/23/2000 | WO2000070752A1 Digital amplifier |
| 11/23/2000 | WO2000070751A1 Broadcast transmission system with correction for distortion |
| 11/23/2000 | WO2000070748A1 Broadcast transmission system with sampling and correction arrangment for correcting distortion caused by amplifying and signal conditioning components |
| 11/23/2000 | WO2000070747A1 Switching amplifier crossover distortion reduction technique |
| 11/23/2000 | WO2000070746A1 Power modulation systems and methods that separately amplify low and high frequency portions of an amplitude waveform |
| 11/23/2000 | WO2000030248A9 Rf power amplifier linearization using parallel rf power amplifiers having intermod-complementing predistortion paths |
| 11/23/2000 | DE19922306A1 Electric circuit for amplifying alternating signals, has two transistors in differential amplifier configuration |
| 11/23/2000 | CA2374079A1 Broadcast transmission system with correction for distortion |
| 11/23/2000 | CA2373798A1 Compensation mechanism for compensating bias levels of an operation circuit in response to supply voltage changes |
| 11/22/2000 | EP1054561A1 Signal processing apparatus |
| 11/22/2000 | EP1054510A2 High frequency tuned amplifier used as a buffer circuit |
| 11/22/2000 | EP1054508A1 Microwave amplifier |
| 11/22/2000 | EP1054507A2 Mobile station employing single ended use of a differential power amplifier for reduced output power |
| 11/22/2000 | EP1054486A2 Electromagnetic wave amplifier and electromagnetic wave generator |
| 11/22/2000 | EP1053591A1 Device for amplifying signals |
| 11/22/2000 | CN2407506Y 音频功率放大器 Audio Power Amplifier |
| 11/22/2000 | CN1274482A Signal processor with local signal behavior |
| 11/22/2000 | CN1058820C Voltage-to-current converter using current mirror circuits |
| 11/21/2000 | US6151509 Dual band cellular phone with two power amplifiers and a current detector for monitoring the consumed power |
| 11/21/2000 | US6151150 Method and apparatus for level decision and optical receiver using same |
| 11/21/2000 | US6150997 Video transmission system |
| 11/21/2000 | US6150885 Transconductance amplifier with wideband noise filtering |
| 11/21/2000 | US6150884 Multistage amplifier circuit with improved nested transconductance capacitance compensation |
| 11/21/2000 | US6150883 Rail-to-rail input/output operational amplifier and method |
| 11/21/2000 | US6150882 RF low noise amplifier |
| 11/21/2000 | US6150881 Amplifier circuit with amplitude and phase correction and method of operation |
| 11/21/2000 | US6150853 Integrated unit gain output stage |
| 11/21/2000 | US6150852 Active differential to single-ended converter |
| 11/16/2000 | WO2000069070A1 Circuit arrangement and optical read/write device including the circuit arrangement |
| 11/16/2000 | WO2000069068A1 Offset and non-linearity compensated amplifier and method |
| 11/16/2000 | WO2000069066A1 Adaptive linearizer for rf power amplifiers |
| 11/16/2000 | CA2370944A1 Adaptive linearizer for rf power amplifiers |
| 11/15/2000 | EP1052878A1 Device for connecting a source to an audio diffusion equipment, in particular of an automotive vehicle |
| 11/15/2000 | EP1051802A1 If amplifier |
| 11/15/2000 | CN1273456A Digitalized efficient 1-bit power amplifier |
| 11/15/2000 | CN1058588C Switch-mode power supply for bridged linear amplifier |
| 11/14/2000 | US6148220 Battery life extending technique for mobile wireless applications |
| 11/14/2000 | US6147556 Solid-state image sensor |
| 11/14/2000 | US6147553 Amplification using amplitude reconstruction of amplitude and/or angle modulated carrier |
| 11/14/2000 | US6147549 Reference voltage generating circuit of generating a plurality of reference voltages |
| 11/14/2000 | US6147533 Data communication receiving elements |
| 11/14/2000 | US6147519 Low-voltage comparator with wide input voltage swing |
| 11/09/2000 | WO2000067432A1 Circuit for suppressing a common mode component in a signal from a can communication bus |
| 11/09/2000 | WO2000067372A1 Method and apparatus for controlling the common mode impedance misbalance of an isolated single-ended circuit |
| 11/09/2000 | WO2000067260A1 A read channel with programmable bandwidth control |
| 11/09/2000 | DE10021944A1 Non dispersive Infra-red (NDIR) acquisition system for a measurement sensor circuit, amplifies modulated direct current signals to reduce noise from the infra-red sensor |
| 11/08/2000 | EP1050104A1 A current generator for delivering a reference current of which the value is proportional to the absolute temperature |
| 11/08/2000 | EP1050103A1 Start-up circuit for self oscillating class d amplifier |
| 11/08/2000 | EP1050101A2 Gain enhancement for operational amplifiers |
| 11/08/2000 | EP1049404A1 Digital sliding pole fast-restore for an electrocardiograph display |
| 11/08/2000 | EP0791252A4 Wireless diffuse infrared lan system |
| 11/07/2000 | US6144260 Amplifier |
| 11/07/2000 | US6144259 Low-noise amplifier and circuit for controlling the same |
| 11/07/2000 | US6144256 Wide bandwidth, current sharing, Mosfet audio power amplifier with multiple feedback loops |
| 11/07/2000 | US6144254 Low-noise amplifier with switched gain and method |
| 11/07/2000 | US6144252 High power heterojunction bipolar transistor |
| 11/07/2000 | US6144233 Gain control circuit for controlling operation of a variable-gain amplifier or the like |
| 11/02/2000 | WO2000065716A1 Circuitry for a high voltage linear current sense ic |
| 11/02/2000 | WO2000065712A1 Class ab emitter follower buffers |
| 11/02/2000 | WO2000065711A1 Overvoltage protection |
| 11/02/2000 | EP1049249A1 Variable gain amplifiers |
| 11/02/2000 | EP1049248A1 "Constant duty-cycle limiting of analog input signal swing in a class-D amplifier" |
| 11/02/2000 | EP1049247A1 Class-D amplifier with enhanced bandwidth |
| 11/02/2000 | EP1048176A2 Apparatus and method of linearizing a power amplifier in a mobile radio communication system |
| 11/02/2000 | CA2371066A1 Overvoltage protection |
| 11/01/2000 | CN2404269Y High fidelity final stage frequency power current amplifier |
| 11/01/2000 | CN1058117C Method and apparatus for amplifying signal |
| 10/31/2000 | US6141169 System and method for control of low frequency input levels to an amplifier and compensation of input offsets of the amplifier |
| 10/31/2000 | US6140892 Distributed constant circuit |
| 10/31/2000 | US6140879 Cascode amplifier with positive feedback for high frequency performance and method for operating and optimizing such amplifier |
| 10/31/2000 | US6140878 Transimpedance-type amplifier circuit with interchangeable resistance |
| 10/31/2000 | US6140877 Low power supply CMOS differential amplifier topology |
| 10/31/2000 | US6140876 Differential amplifier with MOS transistor |