| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 01/03/2001 | EP1065856A2 Baseband predistortion system for linearising power amplifiers. |
| 01/03/2001 | EP1065850A2 ISI-rejecting differential receiver |
| 01/03/2001 | EP1065809A1 Adaptive array sensor and electrical circuit therefore |
| 01/03/2001 | EP1064735A1 Switchable path power amplifiers |
| 01/03/2001 | EP1064722A1 Buffer circuit |
| 01/02/2001 | US6169456 Auto-biasing circuit for current mirrors |
| 01/02/2001 | US6169455 Power amplifying circuit and automatic power control method |
| 01/02/2001 | US6169453 Error amplifier with a high common mode rejection |
| 01/02/2001 | US6169451 System for sensing operating state of tower top amplifier for mobile communication system and method of sensing the same |
| 01/02/2001 | US6169449 Transmission power control circuit capable of varying electric power over a wide range |
| 01/02/2001 | US6169430 CMOS imager column buffer gain compensation circuit |
| 01/02/2001 | US6169428 Single supply voltage to frequency converter optimized for low voltage sensing above and below ground |
| 01/02/2001 | US6169424 Self-biasing sense amplifier |
| 01/02/2001 | CA2069954C Fiber optic transimpedance receiver |
| 12/30/2000 | CA2311100A1 Fast pre-amplifier for an interface arrangement |
| 12/28/2000 | WO2000079680A1 Amplifier with improved, high precision, high speed and low power consumption architecture |
| 12/28/2000 | WO2000079679A1 Device and method for predistorting a transmission signal to be transmitted via a nonlinear transmission path |
| 12/28/2000 | DE10024115A1 Eingangspuffer Input buffer |
| 12/27/2000 | EP1063825A2 Predistortion system for linearising power amplifiers |
| 12/27/2000 | EP1063769A2 Transconductance amplifier with wideband noise filtering |
| 12/27/2000 | EP1062726A1 A comb linear amplifier combiner (clac) |
| 12/27/2000 | EP1062523A2 Power supply circuit |
| 12/27/2000 | EP0764320B1 Arrangement comprising a magnetic write head, and write amplifier with capacitive current compensation |
| 12/26/2000 | US6167284 Device for converting a symmetrical signal into an asymmetrical signal |
| 12/26/2000 | US6167242 Offset voltage cancellation system for radio frequency power controllers |
| 12/26/2000 | US6166978 Semiconductor differential amplifier having a gain controlled by a memory transistor |
| 12/26/2000 | US6166605 Integrated audio amplifier |
| 12/26/2000 | US6166604 Semiconductor amplifier with compensated passing gain characteristic and passing phase characteristic |
| 12/26/2000 | US6166603 Class-ab output stages with improved distortion performance |
| 12/26/2000 | US6166602 High-efficiency switching power amplifier |
| 12/26/2000 | US6166598 Power amplifying circuit with supply adjust to control adjacent and alternate channel power |
| 12/26/2000 | US6166596 High efficiency power amplifying apparatus with phase compensation circuit |
| 12/26/2000 | US6166595 Linearization technique for analog to digital converters |
| 12/26/2000 | US6166592 Linear CMOS transconductor with rail-to-rail compliance |
| 12/26/2000 | US6166529 Voltage-current conversion circuit |
| 12/21/2000 | WO2000077931A1 Amplifier |
| 12/21/2000 | WO2000077923A1 Transistor amplifier having reduced parasitic oscillations |
| 12/21/2000 | DE10028541A1 Voltage drive circuit has output voltage monitoring stage with comparator of shifted output voltage and predefined anticipated voltage that drives current driver stage's current setting input |
| 12/21/2000 | DE10000089A1 Filter circuit feeds bias voltage to operational transconductance amplifier input and connects selected capacitor to operational transconductance amplifier output to set corner frequency |
| 12/21/2000 | CA2376755A1 Amplifier |
| 12/20/2000 | EP1061644A1 Amplifier for distribution in a network |
| 12/20/2000 | EP1061577A2 High frequency multi-layered circuit component |
| 12/20/2000 | EP1061427A1 Controlled current, voltage mode driving stage |
| 12/20/2000 | EP1060574A2 A differential line driver |
| 12/20/2000 | EP1060563A1 Method and apparatus for compensating for delays in modulator loops |
| 12/20/2000 | CN1277753A Amplifier |
| 12/20/2000 | CN1059767C Power amplifier circuit |
| 12/19/2000 | US6163290 Linearizing structures and methods for unity-gain folding amplifiers |
| 12/19/2000 | US6163235 Active load circuit with low impedance output |
| 12/19/2000 | US6163222 Buffer amplifier with frequency selective mechanism |
| 12/19/2000 | US6163221 High-frequency amplification device |
| 12/19/2000 | US6163220 High-voltage, series-biased FET amplifier for high-efficiency applications |
| 12/19/2000 | US6163219 Amplification circuit and integrated circuit having such and controlling method of the amplification circuit |
| 12/19/2000 | US6163218 Signal amplifier apparatus and magnetic disk storage apparatus using the same |
| 12/19/2000 | US6163217 Operational amplifier |
| 12/19/2000 | US6163216 Wideband operational amplifier |
| 12/19/2000 | US6163215 Variable gain amplifier |
| 12/19/2000 | US6163214 Analog signal amplifier |
| 12/19/2000 | US6163212 Power amplifier system |
| 12/19/2000 | US6163211 Cascode amplifier with positive feedback for high frequency performance and method for operating and optimizing such amplifier |
| 12/19/2000 | US6163176 AC-coupled driver with wide output dynamic range |
| 12/17/2000 | CA2311878A1 Baseband predistortion system for linearising power amplifiers |
| 12/17/2000 | CA2311833A1 Mixed baseband-if predistortion system for linearising power amplifiers |
| 12/14/2000 | WO2000076063A1 Power amplifier driver system for wireless handset |
| 12/14/2000 | WO2000076061A1 Low-noise amplifier with switched gain and method |
| 12/13/2000 | EP1059732A2 Tuneable antenna preamplifier |
| 12/13/2000 | EP1059727A2 A linearized channel amplifier |
| 12/13/2000 | EP1059666A1 Monolithic semiconductor integrated circuit device |
| 12/13/2000 | CN1059524C Distortion compensation for pulsewidth-modulated circuit |
| 12/12/2000 | US6160455 Derived power supply for composite bridge amplifiers |
| 12/12/2000 | US6160453 High-frequency power amplifier |
| 12/12/2000 | US6160451 Operational amplifier output stage |
| 12/12/2000 | US6160450 Self-biased, phantom-powered and feedback-stabilized amplifier for electret microphone |
| 12/12/2000 | US6160449 Power amplifying circuit with load adjust for control of adjacent and alternate channel power |
| 12/12/2000 | US6160448 Digitally-controlled low noise variable-gain amplifier |
| 12/12/2000 | US6160446 Balanced differential amplifier without common-mode feedback circuit |
| 12/12/2000 | US6160445 Power amplifier and method for the drive of a power amplifier |
| 12/12/2000 | US6160424 Low supply voltage comparator in BICMOS technology |
| 12/07/2000 | WO2000074328A2 Slic architecture and interfaces |
| 12/07/2000 | DE19924151A1 Semiconductor integrated circuit with differential amplifier, e.g. for DRAM |
| 12/07/2000 | DE10000486A1 Polarization voltage supply for multiple stage power amplifier for use in mobile telephones, has first and second polarization supplies for specific transistor in amplifier first and second stages, respectively |
| 12/07/2000 | DE10000319A1 High-frequency power amplifier for double-band system for use in mobile telephones, has two power amplifiers and associated polarization switching circuitry |
| 12/06/2000 | EP1058384A2 Circuit for dual band tuning |
| 12/06/2000 | EP1058380A2 Push-pull amplifier with dual coplanar transmission line |
| 12/06/2000 | EP1057091A1 Current mirror circuit |
| 12/06/2000 | CN2409712Y Isolated amplifier |
| 12/06/2000 | CN1275834A Wave filter circuit |
| 12/05/2000 | US6157259 Biasing and sizing of the MOS transistor in weak inversion for low voltage applications |
| 12/05/2000 | US6157258 High frequency power amplifier |
| 12/05/2000 | US6157257 Low power folding amplifier |
| 12/05/2000 | US6157256 System for high bandwidth signal amplification |
| 12/05/2000 | US6157255 High performance operational amplifier |
| 12/05/2000 | US6157254 Double side band pilot technique for a control system that reduces distortion produced by electrical circuits |
| 12/05/2000 | US6157253 High efficiency power amplifier circuit with wide dynamic backoff range |
| 12/05/2000 | US6157252 Battery polarity insensitive integrated circuit amplifier |
| 12/05/2000 | US6157022 Bias voltage control circuitry for avalanche photodiode taking account of temperature slope of breakdown voltage of the diode, and method of adjusting the same |
| 12/03/2000 | CA2310508A1 Circuit for dual band tuning |
| 11/30/2000 | WO2000072627A2 Transducer driver |
| 11/30/2000 | WO2000072440A1 Amplifier circuit |
| 11/30/2000 | WO2000072439A1 Amplifier circuit |