| Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272) |
|---|
| 01/09/2003 | WO2003003136A1 Self-bootstrapping transducer interface |
| 01/09/2003 | WO2002015386A3 High-efficiency audio power amplifier |
| 01/09/2003 | US20030008683 Base-station amplifier device |
| 01/09/2003 | US20030007271 Amplifier with a strong output current |
| 01/09/2003 | US20030006845 Low bias current/temperature compensation current mirror for linear power amplifier |
| 01/09/2003 | US20030006844 Low input impedance with amplifier |
| 01/09/2003 | US20030006842 Split cascode driver |
| 01/09/2003 | US20030006836 Transconductance stage and device for communication by hertzian channel equipped with such a stage |
| 01/09/2003 | US20030006830 MOSFET resistant control circuit and time constant control circuit used therewith |
| 01/09/2003 | US20030006822 Temperature-coefficient-generating circuit and temperature-compensating circuit using the same |
| 01/08/2003 | EP1273106A2 Method and transmission circuit for producing a transmission signal |
| 01/08/2003 | EP1273100A1 Balanced circuit arrangement |
| 01/08/2003 | EP1273098A2 Method for determining the parameters of an n-gate |
| 01/08/2003 | EP1273041A2 Combined transistor-capacitor structure in deep sub-micron cmos for power amplifiers |
| 01/08/2003 | EP1153476B1 A circuit for compensating noise and errors from an output stage of a digital amplifier |
| 01/08/2003 | EP0890218B1 Adaptive amplifier distortion compensation circuit |
| 01/08/2003 | EP0888670B1 Linear high-frequency amplifier with high input impedance and high power efficiency |
| 01/08/2003 | CN1390384A Improved floating, balanced output circuit |
| 01/08/2003 | CN1390382A Method for linearising a high-frequency amplifier |
| 01/08/2003 | CN1390063A Linear power amplification method and power amplifier unit based on feedforward technique |
| 01/08/2003 | CN1389980A 可变增益放大器 Variable gain amplifier |
| 01/08/2003 | CN1389847A Operational amplifying circuit, driving circuit and driving method |
| 01/08/2003 | CN1389842A Operational amplifying circuit, driving circuit and driving method |
| 01/07/2003 | US6504878 Digitally modulated RF amplifier system having improved adjacent sideband distortion reduction |
| 01/07/2003 | US6504434 Method for configuring low-noise integrated amplifier circuits |
| 01/07/2003 | US6504433 CMOS transceiver having an integrated power amplifier |
| 01/07/2003 | US6504431 CMOS transceiver having an integrated power amplifier |
| 01/07/2003 | US6504430 Feedforward type linearizer |
| 01/07/2003 | US6504428 High linearity multicarrier RF amplifier |
| 01/07/2003 | US6504427 Switching amplifier having digital correction and method therefor |
| 01/07/2003 | US6504426 Methods and systems for power amplifying of signals |
| 01/07/2003 | US6504425 Method and apparatus for modeling and estimating the characteristics of a power amplifier by retaining even-order terms in estimating characteristics |
| 01/07/2003 | US6504416 High linearity, low power voltage controlled resistor |
| 01/03/2003 | WO2003001663A1 Thermally distributed darlington amplifier |
| 01/03/2003 | WO2003001662A1 Gain control of a power amplifier |
| 01/03/2003 | WO2003001661A1 Self-biased cascode rf power amplifier in sub-micron |
| 01/03/2003 | WO2003001660A1 Linear amplifier using non-linear cmos capacitors |
| 01/03/2003 | WO2003001659A2 Intermodulation product cancellation circuit |
| 01/03/2003 | WO2003001221A1 Distortion detector |
| 01/03/2003 | WO2002014891A3 Automotive radar systems and techniques |
| 01/02/2003 | US20030001772 Radar detection method and apparatus |
| 01/02/2003 | US20030001767 Comparator circuit |
| 01/02/2003 | US20030001678 Semiconductor amplifier circuit |
| 01/02/2003 | US20030001677 High-frequency amplifier and high-frequency mixer |
| 01/02/2003 | US20030001676 High frequency power amplifier circuit |
| 01/02/2003 | US20030001675 Continuous variable-gain low-noise amplifier |
| 01/02/2003 | US20030001674 Low-voltage, broadband operational amplifier |
| 01/02/2003 | US20030001673 Linear transconductance amplifier |
| 01/02/2003 | US20030001672 Self-calibrated power amplifier linearizers |
| 01/02/2003 | US20030001671 Distortion generation in balanced and unbalanced signals |
| 01/02/2003 | US20030001670 Nonlinear feedback linearizer |
| 01/02/2003 | US20030001669 Balanced distortion reduction circuit |
| 01/02/2003 | US20030001654 Area efficient waveform evaluation and DC offset cancellation circuits |
| 01/02/2003 | US20030001653 Area efficient waveform evaluation and DC offset cancellation circuits |
| 01/02/2003 | EP1271781A2 Comparator circuit |
| 01/02/2003 | EP1271766A2 A digital power amplifier |
| 01/02/2003 | EP1271765A2 Application of the doherty amplifier as a predistortion circuit for linearizing microwave amplifiers |
| 01/02/2003 | EP1271549A1 Eeprom circuit, voltage reference circuit and method for providing a low temperature-coefficient voltage reference |
| 01/02/2003 | EP1269707A1 Device for producing a phase and amplitude modulated radio frequency signal |
| 01/02/2003 | EP1269655A1 Dynamic bias for rf power amplifiers |
| 01/01/2003 | CN1389016A High-frequency amplifier, feed-forward amplifier and distortion compensation amplifier |
| 01/01/2003 | CN1388724A 高频功率放大器 Frequency power amplifier |
| 01/01/2003 | CN1388643A Signal amplifing method, signal amplifier and relative apparatus |
| 01/01/2003 | CN1388642A Curent-type sychronous super-class A bias circuit |
| 01/01/2003 | CN1097924C 发射机 Transmitter |
| 12/31/2002 | US6501805 Broadcast transmission system with single correction filter for correcting linear and non-linear distortion |
| 12/31/2002 | US6501415 Highly integrated single substrate MMW multi-beam sensor |
| 12/31/2002 | US6501335 Semiconductor circuit with a stabilized gain slope |
| 12/31/2002 | US6501332 Apparatus and method for electrical signal amplification |
| 12/31/2002 | US6501331 Multi-band amplifier |
| 12/31/2002 | CA2298926C Temperature compensated power detector |
| 12/27/2002 | WO2002103899A2 Signal processing |
| 12/27/2002 | WO2002103898A1 Method and apparatus for voltage clamping in feedback amplifiers using resistors |
| 12/27/2002 | WO2002103897A1 Pre-distortion using a by-pass signal |
| 12/27/2002 | WO2002103896A1 Signal correction techniques |
| 12/27/2002 | WO2002103895A2 Systems and methods for amplification of a communication signal |
| 12/27/2002 | WO2002103894A1 A method of operating a voltage-controlled solid state power amplifyng device |
| 12/27/2002 | WO2002103893A1 A method of operating a current-controlled solid state power amplifying device |
| 12/27/2002 | WO2002103892A2 Methods and apparatus for signal distortion correction |
| 12/27/2002 | WO2002103891A2 Control scheme for signal processing arrangement |
| 12/27/2002 | WO2002103890A2 Time alignment of signals |
| 12/26/2002 | US20020196864 Hybrid polar modulator differential phase cartesian feedback correction circuit for power amplifier linearization |
| 12/26/2002 | US20020196086 Self-biased cascode rf power amplifier in sub-micron technical field |
| 12/26/2002 | US20020196084 Auto bias circuit for power amplifier using power MOSFET |
| 12/26/2002 | US20020196083 Control of bias voltage |
| 12/26/2002 | US20020196082 DC feedback control circuit |
| 12/25/2002 | CN1387697A Lineariser for signal handling apparatus |
| 12/25/2002 | CN1387316A Disadjust control of operational amplifier |
| 12/25/2002 | CN1387315A Operational amplifier device comprising static current control circuit |
| 12/24/2002 | US6498926 Programmable linear receiver having a variable IIP3 point |
| 12/24/2002 | US6498925 Transmit power control circuit |
| 12/24/2002 | US6498535 High dynamic range low noise amplifier |
| 12/24/2002 | US6498534 Amplifier circuit for line driver |
| 12/24/2002 | US6498533 Bootstrapped dual-gate class E amplifier circuit |
| 12/24/2002 | US6498531 Digital class-D audio amplifier |
| 12/24/2002 | US6498529 Method and apparatus for calculating the predistortion function from a power amplifier |
| 12/19/2002 | WO2002101944A2 Power amplifier control |
| 12/19/2002 | WO2002101919A1 Distortion compensating device |
| 12/19/2002 | US20020193087 Method and apparatus for modeling and estimating the characteristics of a power amplifier |
| 12/19/2002 | US20020193086 Method of and apparatus for predistorting a transmit signal |