Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272) |
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06/25/2002 | US6411515 Amplifier |
06/25/2002 | US6411167 Amplifier output stage |
06/25/2002 | US6411161 AC coupling circuit |
06/25/2002 | US6411136 Differential line driver |
06/25/2002 | US6410902 Optical receiver |
06/20/2002 | WO2002049300A2 Amplitude and phase modulator |
06/20/2002 | WO2002049211A2 Dynamic allocation of power supplied by a power supply and frequency agile spectral filtering of signals |
06/20/2002 | WO2002049207A1 Pre-distortion of non-linear devices by post-detection |
06/20/2002 | WO2002049206A2 Saturation prevention and amplifier distortion reduction |
06/20/2002 | WO2002023634A3 Cmos transceiver having an integrated power amplifier |
06/20/2002 | WO2002019545A3 System for closed loop power control using a linear or a non-linear power amplifier |
06/20/2002 | US20020077066 System and method of RF power amplification |
06/20/2002 | US20020076438 Spheronized beadlet containing acid labile group is selected from the group consisting of 2', 3'-dideoxyadenosine, 2', 3' dideoxycytidine, pravstatin, erythromycin, digoxin and pancreatin |
06/20/2002 | US20020076067 Dynamic allocation of power supplied by a power supply and frequency agile spectral filtering of signals |
06/20/2002 | US20020076063 Dynamic allocation of power supplied by a power supply and frequency agile spectral filtering of signals |
06/20/2002 | US20020075178 Radar transmitter circuitry and techniques |
06/20/2002 | US20020075138 Portable object detection system |
06/20/2002 | US20020075076 linearized class C amplifier with dynamic biasing |
06/20/2002 | US20020075073 Single-ended, ultra low voltage class AB power amplifier architecture having a common-mode feedback quiescent current control circuit |
06/20/2002 | US20020075072 Switching power amplifier |
06/20/2002 | US20020075070 Amplifier |
06/20/2002 | US20020074984 Temperature characteristic compensating circuit and semiconductor integrated circuit having the same |
06/20/2002 | US20020074980 Saturation prevention and amplifier distortion reduction |
06/20/2002 | DE10039438C2 Zweistufiger Operationsverstärker Two-stage operational amplifier |
06/19/2002 | EP1214794A1 Method and apparatus for wireless phone transmit power amplification with reduced power consumption |
06/19/2002 | EP1214780A1 Modulated radio signal transmitter with self-adapted amplification polarisation |
06/18/2002 | US6407640 Two-stage LNA with good linearity |
06/18/2002 | US6407636 Stability control multistage operational amplifier |
06/18/2002 | US6407635 Carrier-blanking mechanism for sweeping detector used to measure and correct RF power amplifier distortion |
06/18/2002 | US6407634 Linear envelope tracking RF power amplifier with adaptive analog signal processing |
06/18/2002 | US6407633 Methods and apparatus for stabilizing feedback-controlled amplifiers |
06/18/2002 | US6407631 Charge-type sensor amplifying circuit |
06/18/2002 | US6407617 Bias circuit and method of fabricating semiconductor device |
06/18/2002 | US6407578 Arrangement for reducing power dissipation in a line driver |
06/13/2002 | WO2002047259A1 Method and arrangement relating to electronic compensation |
06/13/2002 | WO2002047253A1 Method for stabilization of operating conditions in electronic devices |
06/13/2002 | WO2002047252A2 Self-boosting circuit for a power amplifier |
06/13/2002 | WO2002047249A2 A polar loop amplifier arrangement |
06/13/2002 | WO2002015323A3 Highly integrated single substrate mmw multi-beam sensor |
06/13/2002 | WO2001001511A9 Delay line filter |
06/13/2002 | US20020072843 Safe distance algorithm for adaptive cruise control |
06/13/2002 | US20020072340 Control of receiver immunity to interference by controlling linearity |
06/13/2002 | US20020071264 Electric apparatus comprising a shield and transmission means with filtering of an electric signal on both sides of the shield |
06/13/2002 | US20020070808 System and method for closed loop VSWR correction and tuning in RF power amplifiers |
06/13/2002 | US20020070807 High-frequency amplifier circuit for UHF television tuner having less distortion |
06/13/2002 | US20020070805 Circuit configuration with an integrated amplifier |
06/13/2002 | US20020070803 Intermodulation product cancellation circuit |
06/13/2002 | US20020070801 Differential line driver circuit |
06/13/2002 | US20020070799 Class D digital amplifier |
06/13/2002 | US20020070770 Differential line driver circuit |
06/13/2002 | DE10134561A1 Hochfrequenz-Leistungsverstärker High frequency power amplifier |
06/12/2002 | EP1213831A1 A fast-settling, low power, biasing apparatus and method for single-ended circuits |
06/12/2002 | EP1213724A1 Process-insensitive, highly-linear constant transconductance circuit |
06/12/2002 | EP1212831A1 Impedance adapting amplifier device for low frequency with electronic tubes insertible on line in the path of the low frequency signal |
06/12/2002 | EP0988694A4 Dynamic predistortion compensation for a power amplifier |
06/12/2002 | EP0972339B1 Power amplication system with intelligent control of amplifier modules |
06/11/2002 | US6405057 Method and apparatus for base transceiver station cold starts |
06/11/2002 | US6404823 Envelope feedforward technique with power control for efficient linear RF power amplification |
06/11/2002 | US6404579 Current bias voltage sense single ended preamplifier |
06/11/2002 | US6404287 Bias network for high efficiency RF linear power amplifier |
06/11/2002 | US6404286 Electrical arrangement having improved feedback stability |
06/11/2002 | US6404285 Transistor amplifier that accommodates large input signals |
06/11/2002 | US6404284 Amplifier bias adjustment circuit to maintain high-output third-order intermodulation distortion performance |
06/11/2002 | US6404283 Method and apparatus for amplifying a radio frequency signal |
06/11/2002 | US6404282 Preamplification circuit |
06/11/2002 | US6404177 Bandgap voltage reference source |
06/11/2002 | US6402689 Methods, systems, and associated implantable devices for dynamic monitoring of physiological and biological properties of tumors |
06/06/2002 | WO2002045258A2 Method of linearising a signal |
06/06/2002 | WO2002045254A1 High-frequency amplifier and high-frequency mixer |
06/06/2002 | WO2002045253A1 High-frequency amplifier |
06/06/2002 | WO2002025809A3 Switching power amplifier |
06/06/2002 | WO2002001748A3 Improved multi-carrier receiver for a radio telecommunications network |
06/06/2002 | WO2001091281A3 Level shifter for switching power amplifier |
06/06/2002 | US20020067305 System and technique for mounting a radar system on a vehicle |
06/06/2002 | US20020067287 Near object detection system |
06/06/2002 | US20020067213 Cascode amplifying circuit and folded cascode amplifying circuit |
06/06/2002 | US20020067212 Micro-wave power amplifier |
06/06/2002 | US20020067211 Power amplifier |
06/06/2002 | US20020067210 Amplifier circuit |
06/06/2002 | US20020067209 Self-boosting circuit for a power amplifier |
06/06/2002 | US20020067207 Operational amplifier |
06/06/2002 | US20020067205 Circuit for linearizing electronic devices |
06/06/2002 | US20020067203 Control circuit for increasing the output inpedance of a transconductor |
06/06/2002 | DE10054540A1 Power efficient amplifier circuit and method for power efficient signal amplification employing parallel amplification by two amplifiers with negative feedback |
06/05/2002 | EP1211800A2 Amplitude modulator using a bipolar transistor |
06/05/2002 | EP1210764A1 Dynamic switching frequency control for a digital switching amplifier |
06/05/2002 | EP1119102A9 Feedback circuit and amplifier and mixer comprising the same |
06/05/2002 | EP1075732B1 A method in the compensation of unlinearities in an amplifier, an amplifier, and uses of the method and the amplifier |
06/05/2002 | EP0870360A4 Differential amplifier with improved low-voltage linearity |
06/05/2002 | CN1352826A System and method for selectively controlling amplifier performance |
06/05/2002 | CN1352822A Predistortion type distortion compensatino amplifier |
06/05/2002 | CN1086064C Temperature compensated wide dynanic range power detection circuitry for portable RF transmission terminals |
06/04/2002 | US6400775 Method and a system for digitally linearizing an amplifier |
06/04/2002 | US6400774 Nonlinearity-caused distortion compensating system |
06/04/2002 | US6400541 Circuit for protection of differential inputs against electrostatic discharge |
06/04/2002 | US6400233 Method and apparatus for compensating for distortion in IQ modulators |
06/04/2002 | US6400229 Low noise, low distortion RF amplifier topology |
06/04/2002 | US6400228 Switched supply for operational amplifier |
06/04/2002 | US6400227 Stepped gain controlled RF driver amplifier in CMOS |
06/04/2002 | US6400226 Distributed amplifier with improved flatness of frequency characteristic |