| 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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| 08/03/2000 | WO2000045508A1 Microwave amplifiers |
| 08/03/2000 | WO2000045505A1 Broadband amplification with high linearity and low power consumption |
| 08/03/2000 | CA2356427A1 Broadband amplification with high linearity and low power consumption |
| 08/02/2000 | EP1024592A1 Power amplifier arrangement |
| 08/02/2000 | EP1024591A1 Power amplifier arrangement |
| 08/02/2000 | EP1024577A1 Power system |
| 08/02/2000 | CN1261739A Feedforward amplifier |
| 08/01/2000 | US6097936 Reception device for microwave signals |
| 08/01/2000 | US6097615 Power waveform synthesis using bilateral devices |
| 08/01/2000 | US6097254 Output power amplifier circuit with short-circuit protective function |
| 08/01/2000 | US6097252 Method and apparatus for high efficiency power amplification |
| 08/01/2000 | US6097249 Method and device for improved class BD amplification having single-terminal alternating-rail dual-sampling topology |
| 08/01/2000 | US6097113 MOS integrated circuit device operating with low power consumption |
| 07/29/2000 | CA2297349A1 Power amplifier arrangement |
| 07/28/2000 | CA2297353A1 Power amplifier arrangement |
| 07/27/2000 | WO2000044089A1 Gate biasing arrangement |
| 07/27/2000 | WO2000044088A1 Hybrid power mosfet for high current carrying capacity |
| 07/27/2000 | CA2359679A1 Gate biasing arrangement |
| 07/26/2000 | CN1054949C Feedback loop closure in a linear transmitter |
| 07/25/2000 | US6094350 Feedforward amplifier manufacturing module |
| 07/25/2000 | US6094097 Programmable RF power combiner |
| 07/25/2000 | US6094096 Pilot detection for a control system that reduces distortion produced by electrical circuits |
| 07/25/2000 | US6094094 Semiconductor integrated circuit having bias circuits each including different reference resistors |
| 07/25/2000 | US6094093 Low-voltage input buffer |
| 07/25/2000 | CA2050350C Method of compensating for non-linearities in an end amplifier incorporated in a radio transmitter |
| 07/20/2000 | WO2000042710A1 High performance short-wave broadcasting transmitter optimised for digital broadcasting |
| 07/20/2000 | WO2000042702A1 Amplifier circuit |
| 07/20/2000 | CA2360335A1 High performance short-wave broadcasting transmitter optimised for digital broadcasting |
| 07/19/2000 | EP1020989A2 Temperature compensated amplifier and operating method |
| 07/19/2000 | EP1020026A1 Apparatus and method for amplifying a signal |
| 07/19/2000 | EP1020025A1 Method and apparatus for reducing power dissipation in multi-carrier amplifiers |
| 07/19/2000 | CN1260633A Pilot signal detection system using band stop filter |
| 07/18/2000 | US6091934 Dynamic power allocation system and method for multi-beam satellite amplifiers |
| 07/18/2000 | US6091302 Electronic circuit biasing control system |
| 07/18/2000 | US6091300 Method and apparatus for adjusting the input common mode voltage of a differential amplifier |
| 07/18/2000 | US6091299 Method and apparatus for achieving linearized response of PIN diode attenuators |
| 07/18/2000 | US6091298 Linear amplifier arrangement |
| 07/18/2000 | US6091297 Methods and apparatus for adaptive adjustments of feed-forward linearized amplifiers |
| 07/18/2000 | US6091296 Single loop feedforward amplifier for use in an RF transmitter and method of operation |
| 07/18/2000 | US6091295 Predistortion to improve linearity of an amplifier |
| 07/18/2000 | US6091294 Amplifier circuit |
| 07/18/2000 | US6091292 High efficiency power amplifying apparatus |
| 07/18/2000 | US6091279 Temperature compensation of LDMOS devices |
| 07/18/2000 | CA2162091C Circuit and method for compensating for nonlinear distortion of input signal |
| 07/13/2000 | WO2000041371A2 Power i-q modulation systems and methods using predistortion circuit |
| 07/13/2000 | WO2000041297A1 Noise reduction scheme for operational amplifiers |
| 07/13/2000 | WO2000041296A1 Method and apparatus for operating a radio-frequency power amplifier as a variable-class linear amplifier |
| 07/13/2000 | DE19858963A1 Audio signal amplifier e.g. for automobile, uses analysis device for signal to be amplified coupled to control device for controlled voltage supply for amplifier |
| 07/13/2000 | CA2360213A1 Noise reduction scheme for operational amplifiers |
| 07/12/2000 | EP1018801A2 Advanced amplifier, transmission unit and cellular telephone using the same |
| 07/12/2000 | EP0764364B1 An amplifier stage having a switchable gain and reduced distortion |
| 07/12/2000 | CN1054443C Dual voltage voltage regulator with foldback current limiting |
| 07/11/2000 | US6087899 Optical transmitter module, and semiconductor integrated circuit capable of increasing gain and band of amplifier constructed from FET |
| 07/11/2000 | US6087898 Closed loop feed forward system featuring carrier reutilization for synchronous detection |
| 07/11/2000 | US6087888 Field effect transistor gate bias voltage application circuit and semiconductor apparatus having field effect transistor gate bias voltage application circuit |
| 07/11/2000 | US6087877 Integrated circuit having surge protection circuit |
| 07/11/2000 | US6087821 Reference-voltage generating circuit |
| 07/11/2000 | US6087820 Current source |
| 07/11/2000 | US6087813 Internal voltage generation circuit capable of stably generating internal voltage with low power consumption |
| 07/06/2000 | WO2000039935A1 Control of gain and power consumption in a power amplifier |
| 07/06/2000 | WO2000039920A1 Multi-frequency transmitter using predistortion and a method of transmitting |
| 07/05/2000 | EP1017163A1 Pilot signal detection system using band reject filter |
| 07/05/2000 | EP1017162A2 Amplifier circuit with negative feedback loop for distortion reduction |
| 07/05/2000 | EP1016224A2 Predistortion linearizer circuit |
| 07/05/2000 | EP1016217A2 Temperature compensation in electronic devices |
| 07/05/2000 | EP1016210A1 Signal processing system |
| 07/05/2000 | CN1259242A Power amplication system with intelligent control of amplifier modules |
| 07/04/2000 | US6085074 Apparatus and method for amplifying an amplitude-varying signal |
| 07/04/2000 | US6084478 Transimpedance amplifier with automatic gain control |
| 07/04/2000 | US6084475 Active compensating capacitive multiplier |
| 07/04/2000 | US6084474 Auto gain controller having temperature compensation function |
| 07/04/2000 | US6084472 Multi-tanh triplet with optimal biasing |
| 07/04/2000 | US6084469 MR-preamp using collector and emitter coupling integrated capacitors |
| 07/04/2000 | US6084468 Method and apparatus for high efficiency wideband power amplification |
| 07/04/2000 | US6084461 Charge sensitive amplifier with high common mode signal rejection |
| 07/04/2000 | US6084273 Analogue misfet with threshold voltage adjuster |
| 06/29/2000 | WO2000038315A1 Level shift circuit |
| 06/29/2000 | WO2000038314A1 Linearized amplifier core |
| 06/29/2000 | DE19904377C1 Offset voltage compensation method for radio reception circuits |
| 06/29/2000 | CA2355956A1 Level shift circuit |
| 06/28/2000 | EP1014591A2 Linearizing circuit for a transmitter |
| 06/28/2000 | EP1014571A2 Audio apparatus of negative impedance driving with adaptive gain control |
| 06/28/2000 | EP1014567A2 Improvements in or relating to an operational amplifier |
| 06/28/2000 | EP1014566A2 Dual mode class D amplifier |
| 06/28/2000 | EP1014565A1 Low-noise amplifier stage with matching network |
| 06/28/2000 | EP1014564A2 Feedforward amplifier |
| 06/28/2000 | EP1014563A1 Amplifier arrangement with voltage gain and reduced power consumption |
| 06/28/2000 | EP1012967A1 A linear rf power amplifier with optically activated switches |
| 06/28/2000 | EP1012883A1 Photodetector circuit |
| 06/28/2000 | CN1258393A PWM amplifier |
| 06/27/2000 | US6081161 Amplifier with dynamatically adaptable supply voltage |
| 06/27/2000 | US6081160 Method and apparatus for increasing the bandwidth, and reducing the size, of the DC feed network for wideband RF amplifiers using selective placement of high dielectric constant material |
| 06/27/2000 | US6081159 Apparatus for improving linearity of small signal |
| 06/27/2000 | US6081158 Adaptive pre-distortion apparatus for linearizing an amplifier output within a data transmission system |
| 06/27/2000 | US6081156 Method and apparatus for amplifying feedforward linear power using pilot tone hopping |
| 06/27/2000 | CA2227862C Field effect transistor cable television line amplifier |
| 06/22/2000 | WO2000013309A8 Differential amplifier with gain linearization through transconductance compensation |
| 06/21/2000 | EP1011192A2 A linear amplifier arrangement |
| 06/21/2000 | EP1010238A1 Amplifier circuit |
| 06/21/2000 | EP1010237A1 High-order multipath operational amplifier with dynamic offset reduction, controlled saturation current limiting, and current feedback for enhanced conditional stability |