| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 01/06/2004 | US6674335 Blind linearization using cross-modulation |
| 01/06/2004 | US6674329 Distributed RF amplifier with filtered dummy load |
| 01/06/2004 | US6674328 Amplifier circuit |
| 01/06/2004 | US6674326 Digitally controllable nonlinear pre-equalizer |
| 01/06/2004 | US6674323 High frequency power amplifier, high frequency power amplifier module, and portable telephone |
| 01/06/2004 | US6674322 Amplifier circuit with offset compensation |
| 01/06/2004 | CA2325326C System and method for producing amplified signal(s) or version(s) thereof |
| 01/02/2004 | EP1377123A1 Equalization for audio mixing |
| 01/02/2004 | EP1376877A1 Pulse width modulator and pulse width modulation method |
| 01/02/2004 | EP1376862A2 Asymmetric, voltage optimized, wideband common-gate bi-directional mmic amplifier |
| 01/02/2004 | EP1376861A2 Device for converting a differential signal to a single signal |
| 01/02/2004 | EP1376860A1 Asymmetrical differential amplifier |
| 01/02/2004 | EP1376859A1 Differential circuit, amplifier circuit, and display device using the amplifier circuit |
| 01/02/2004 | EP1376858A1 Pulse modulation power amplifier with enhanced cascade control method |
| 01/02/2004 | EP1376857A1 Electronic circuit for a switching power amplifier and method for switching the output stage of a switching power amplifier |
| 01/02/2004 | EP1376855A2 Bias control for hbt power amplifiers |
| 01/02/2004 | EP1374519A1 Method of and apparatus for performing amplitude and phase modulation |
| 01/02/2004 | EP1374411A2 Real time correction of a digital pwm amplifier |
| 01/02/2004 | EP1374401A2 Circuit and method for controlling a dynamic, bi-directional high voltage analog switch and ultrasound examination apparatus equipped with such a circuit |
| 01/02/2004 | EP1374398A2 Circuit and method for input side impedance matching of a power amplifier in an electronic device |
| 01/02/2004 | EP1374396A1 Variable gain low-noise amplifier for a wireless terminal |
| 01/02/2004 | EP1374395A1 Travelling wave amplifiers |
| 01/02/2004 | EP1374394A2 Digital signal processor enhanced pulse width modulation amplifier |
| 01/02/2004 | EP1374393A2 High efficciency switching amplifiers |
| 01/02/2004 | EP1374392A1 Amplifying circuit |
| 01/02/2004 | EP1374391A1 Balanced transformer-less amplifier and an offset detection and correction system therefore |
| 01/02/2004 | EP1374388A1 Bias adjustment for power amplifier |
| 01/02/2004 | EP0858667B1 Choke |
| 01/01/2004 | US20040000955 Circuit, apparatus and method for an adaptive voltage swing limiter |
| 01/01/2004 | US20040000954 Power amplifier having a bias current control circuit |
| 01/01/2004 | US20040000953 Bias control for HBT power amplifiers |
| 01/01/2004 | US20040000952 Shared-current electronic systems |
| 01/01/2004 | US20040000951 Distributed rf amplifier with filtered dummy load |
| 01/01/2004 | US20040000949 Differential circuit, amplifier circuit, and display device using the amplifier circuit |
| 01/01/2004 | US20040000947 Rf amplifier system having improved power supply |
| 01/01/2004 | US20040000938 Blind linearization using cross-modulation |
| 12/31/2003 | WO2004001990A1 Power detecting circuit |
| 12/31/2003 | WO2004001966A2 Sensor circuit |
| 12/31/2003 | WO2004001960A1 Single conversion isolated impedance transformation amplifier |
| 12/31/2003 | WO2004001959A1 Sensor circuit |
| 12/31/2003 | WO2003065570A9 Modulator- amplifier |
| 12/31/2003 | WO2003021766A3 Switching power supply for rf power amplifiers |
| 12/31/2003 | CN2596668Y Active feedback voltage follower |
| 12/31/2003 | CN1465074A Eeprom circuit voltage reference circuit and method for providing a low temperature-coefficient voltage reference |
| 12/31/2003 | CN1464764A Audio power amplifier |
| 12/30/2003 | US6671330 Power amplifier |
| 12/30/2003 | US6671329 Power amplifier |
| 12/30/2003 | US6671075 Offset voltage cancellation circuit |
| 12/30/2003 | US6670941 Slow rate controlled ramp and its use in liquid crystal displays |
| 12/30/2003 | US6670851 Cascode amplifier integrated circuit with frequency compensation capability |
| 12/30/2003 | US6670850 Ultra-wideband constant gain CMOS amplifier |
| 12/30/2003 | US6670849 System for closed loop power control using a linear or a non-linear power amplifier |
| 12/30/2003 | US6670848 Method and system for implementing autonomous automatic gain control in a low noise broadband distribution amplifier |
| 12/30/2003 | US6670847 Inductive amplifier with a feed forward boost |
| 12/30/2003 | US6670842 Electromagnetic compatible regulator |
| 12/30/2003 | CA2378719C Biasing circuit for vgs drift and thermal compensation of a power device |
| 12/25/2003 | WO2003107543A2 Sequential dc offset correction for amplifier chain |
| 12/25/2003 | WO2003107531A1 Switchable gain amplifier |
| 12/25/2003 | US20030235317 Equalization for audio mixing |
| 12/25/2003 | US20030235058 Semiconductor integrated circuit device |
| 12/25/2003 | US20030234691 Current-voltage conversion circuit |
| 12/25/2003 | US20030234689 Pre-amplifier employing transistors having a diminished breakdown voltage and a disk drive and a thevenin writer employing the same |
| 12/25/2003 | US20030234685 Preamplifier system with selectable input impedance |
| 12/25/2003 | US20030234684 Low-noise amplifier device having negative feedback via a controlled current source, and method of using the amplifier device |
| 12/25/2003 | US20030234676 Offset voltage cancellation circuit |
| 12/24/2003 | WO2003107532A1 An arrangement in a pulse amplifier |
| 12/24/2003 | WO2003107530A1 Operational amplifier with independent input offset trim for high and low common mode input voltages |
| 12/24/2003 | WO2003107529A2 High voltage-wide band amplifier |
| 12/24/2003 | WO2003107420A1 High-frequency integrated transistor module |
| 12/24/2003 | WO2003081833A3 Floating-gate analog circuit |
| 12/24/2003 | WO2002065634A3 Power amplifier system having frequency and amplifier failure compensation |
| 12/24/2003 | CN1463488A Transmitter with sliding compression point |
| 12/24/2003 | CN1132306C Differential amplifier circuit |
| 12/23/2003 | US6668165 Inverted super regenerative receiver |
| 12/23/2003 | US6668028 Low-power CDMA receiver |
| 12/23/2003 | US6667670 Microwave double-pole double-throw switch and microwave divide/through switch and power amplifier using thereof |
| 12/23/2003 | US6667661 Laser diode driver with high power efficiency |
| 12/23/2003 | US6667659 High efficiency amplifier |
| 12/23/2003 | US6667657 RF variable gain amplifying device |
| 12/20/2003 | CA2432778A1 Totem pole rf amplifiers with phase and amplitude correction |
| 12/18/2003 | WO2003105375A1 Satellite travelling-wave tube amplifier on-line non-linearity measurement |
| 12/18/2003 | WO2003105338A1 Power amplifying system with supply and bias enhancements |
| 12/18/2003 | WO2003105336A1 Distortion compensator |
| 12/18/2003 | WO2003105179A1 Inductive outputtube (10t) amplifier system |
| 12/18/2003 | WO2003084055A3 Low noise amplifier and imaging element using same |
| 12/18/2003 | WO2003061122A3 Differential amplifier circuit for regenerating complementary digital signals |
| 12/18/2003 | WO2003034385A3 System and method for illumination timing compensation in response to row resistance |
| 12/18/2003 | WO2003034384A3 Method and system for precharging oled/pled displays with a precharge latency |
| 12/18/2003 | WO2003015265A3 Open loop variable gain amplifier using replica gain cell |
| 12/18/2003 | WO2003005575A3 Power-controlled transmitter arrangement |
| 12/18/2003 | WO2002060052A3 Precision automatic gain control circuit |
| 12/18/2003 | US20030232609 Switchable gain amplifier |
| 12/18/2003 | US20030231063 Device for converting a differential signal to a single signal |
| 12/18/2003 | US20030231061 Divided-voltage FET power amplifiers |
| 12/18/2003 | US20030231060 Output distortion correction amplifier system |
| 12/18/2003 | US20030231058 Transmission amplifier |
| 12/18/2003 | US20030231057 Digitally controllable nonlinear pre-equalizer |
| 12/18/2003 | US20030231056 Transformer of power-amplifier module for an audio device |
| 12/18/2003 | US20030231055 Impedance matching L w N ise amplifier having a bypass switch |
| 12/18/2003 | US20030231054 Sequential DC offset correction for amplifier chain |