| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 07/03/2002 | EP1219009A1 Output stage utilizing a floating power supply |
| 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 | US6414560 Loop delay compensation for a digital power amplifier |
| 07/02/2002 | US6414557 High noise rejection voltage-controlled ring oscillator architecture |
| 07/02/2002 | US6414553 Power amplifier having a cascode current-mirror self-bias boosting circuit |
| 07/02/2002 | US6414552 Operational transconductance amplifier with a non-linear current mirror for improved slew rate |
| 07/02/2002 | US6414551 Multi-space structure amplifier |
| 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 | US6414548 Differential amplifier having two channels |
| 07/02/2002 | US6414546 Adaptive linearizer for RFpower amplifiers |
| 07/02/2002 | US6414544 Demodulation filter |
| 07/02/2002 | US6414516 CMOS output amplifier independent of temperature, supply voltage and manufacturing quality of transistors |
| 07/02/2002 | US6414404 Power switching circuit |
| 06/27/2002 | WO2002051001A2 A bias circuit for a low voltage differential circuit |
| 06/27/2002 | WO2002051000A1 Complementary pair-configured telecommunication line driver having synthesized output impedance |
| 06/27/2002 | WO2002050999A1 Power amplifier |
| 06/27/2002 | WO2002050998A2 Wideband dual amplifier circuits |
| 06/27/2002 | WO2002050996A2 Compact cascode radio frequency cmos power amplifier |
| 06/27/2002 | WO2002050994A2 Linearized class c amplifier with dynamic biasing |
| 06/27/2002 | WO2002005261A3 Dynamic power sharing in a multi-channel sound system |
| 06/27/2002 | WO2001047117A9 High sheet mos resistor method and apparatus |
| 06/27/2002 | WO2000070753A9 Load compensation technique for reactive impedance transformation amplifier output stage |
| 06/27/2002 | US20020079971 Compact cascode radio frequency CMOS power amplifier |
| 06/27/2002 | US20020079970 RF power amplifier |
| 06/27/2002 | US20020079968 Common mode output current control circuit and method |
| 06/27/2002 | US20020079967 Attenuator control circuit |
| 06/27/2002 | US20020079966 Differential amplifier having active load device scaling |
| 06/27/2002 | US20020079964 Distortion compensation apparatus |
| 06/27/2002 | US20020079963 Distortion compensating device and method for compensating distortion |
| 06/27/2002 | US20020079961 Amplification device with optimized linearity |
| 06/27/2002 | US20020079959 High bandwidth switched capacitor input receiver |
| 06/27/2002 | US20020079930 Device for current sensing in an amplifier with pmos voltage conversion |
| 06/27/2002 | US20020079569 Semiconductor integrated circuit |
| 06/27/2002 | US20020079428 Current to voltage converter with optical gain mechanism |
| 06/26/2002 | EP1217754A1 Amplifier circuit, radio transmitter, method and use |
| 06/26/2002 | EP1217753A1 Linear RF power amplifier and transmitter |
| 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 | EP0925714B1 Circular stripline package incorporating a low noise amplifier |
| 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 |
| 06/25/2002 | US6411515 Amplifier |
| 06/25/2002 | US6411455 Head amplifier circuit |
| 06/25/2002 | US6411240 Amplifier having a noise source for an analog-to-digital converter |
| 06/25/2002 | US6411167 Amplifier output stage |
| 06/25/2002 | US6411166 Fully differential, switched capacitor, operational amplifier circuit with common-mode controlled output |
| 06/25/2002 | US6411165 Active common mode feedback for unbalanced input and feedback signals and methods thereof |
| 06/25/2002 | US6411164 Precision low power operational amplifier with gain invariant bandwith |
| 06/25/2002 | US6411163 Transconductance amplifier circuit |
| 06/25/2002 | US6411162 Amplifier device and LCD device |
| 06/25/2002 | US6411161 AC coupling circuit |
| 06/25/2002 | US6411136 Differential line driver |
| 06/25/2002 | US6411132 Matched current differential amplifier |
| 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 | WO2002049209A1 Power amplifier and communication apparatus |
| 06/20/2002 | WO2002049208A2 Differential amplifier with large input common mode signal range |
| 06/20/2002 | WO2002049120A1 Optoelectronic detector and related circuit |
| 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 | 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 | US20020075076 linearized class C amplifier with dynamic biasing |
| 06/20/2002 | US20020075075 High-frequency circuit device |
| 06/20/2002 | US20020075074 Differential amplifier with large input common mode signal range |
| 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 | US20020075071 System and method for noise and spurious supression in power amplifier systems |
| 06/20/2002 | US20020075070 Amplifier |
| 06/20/2002 | US20020075069 Class D audio speaker amplifier circuit with pseudo noise modulation |
| 06/20/2002 | US20020075068 Switiching Amplifier Incorporating Return-to- Zero Quaternary Power Switch |
| 06/20/2002 | US20020075054 Read gain offset trim without feedback loop |
| 06/20/2002 | US20020074984 Temperature characteristic compensating circuit and semiconductor integrated circuit having the same |
| 06/20/2002 | DE10047396C1 Schaltungsanordnung zur umschaltbaren Verstärkung von Analogsignalen Circuit arrangement for switchable gain of analog signals |
| 06/19/2002 | EP1215815A2 Transconductance amplifier, filter using the transconductance amplifier and tuning circuitry for transconductance amplifier in the filter |
| 06/19/2002 | EP1214794A1 Method and apparatus for wireless phone transmit power amplification with reduced power consumption |
| 06/19/2002 | EP1214781A1 Low noise amplifier arrangement |
| 06/19/2002 | EP1214780A1 Modulated radio signal transmitter with self-adapted amplification polarisation |
| 06/19/2002 | EP0720728B1 Two-wire constant current powered transducer |
| 06/19/2002 | CN1354568A Instrument for communication system and semiconductor integrated circuit device |
| 06/19/2002 | CN1354559A Single power supply high efficiency audio power amplifier |
| 06/18/2002 | US6408193 Cellular telephone |
| 06/18/2002 | US6407640 Two-stage LNA with good linearity |
| 06/18/2002 | US6407637 Differential current mirror and method |
| 06/18/2002 | US6407632 Radio frequency amplifier |
| 06/18/2002 | US6407631 Charge-type sensor amplifying circuit |
| 06/18/2002 | US6407630 DC offset cancelling circuit applied in a variable gain amplifier |
| 06/18/2002 | US6407623 Bias circuit for maintaining a constant value of transconductance divided by load capacitance |
| 06/18/2002 | US6407620 Current mirror circuit with base current compensation |
| 06/18/2002 | US6407603 Analog voltage isolation circuit |
| 06/18/2002 | US6407590 High frequency differential receiver |
| 06/18/2002 | US6407589 Device for current sensing in an amplifier with PMOS voltage conversion |