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Class Information
Number: 330/124R
Name: Amplifiers > With plural amplifier channels (e.g., parallel amplifier channels)
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7459973 |
Method and apparatus for amplifying a signal modulated in amplitude |
Dec. 2, 2008 |
| 7456687 |
Amplifier unit and method of detecting failure in the same |
Nov. 25, 2008 |
| 7453320 |
Amplifier |
Nov. 18, 2008 |
| 7444124 |
Adjustable segmented power amplifier |
Oct. 28, 2008 |
| 7443233 |
DC offset cancellation apparatus |
Oct. 28, 2008 |
| 7436260 |
Controlling the ratio of amplification factors between linear amplifiers |
Oct. 14, 2008 |
| 7436258 |
Multi-operational amplifier system |
Oct. 14, 2008 |
| 7429894 |
Power device having connection structure compensating for reactance component of transmission line |
Sep. 30, 2008 |
| 7427895 |
Doherty amplifier with improved linearity |
Sep. 23, 2008 |
| 7423477 |
Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning |
Sep. 9, 2008 |
| 7417508 |
Multiple RF path amplifiers |
Aug. 26, 2008 |
| 7417501 |
Variable inductor, oscillator including the variable inductor and radio terminal comprising this oscillator, and amplifier including the variable inductor and radio terminal comprising this am |
Aug. 26, 2008 |
| 7414469 |
Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning |
Aug. 19, 2008 |
| 7411449 |
Composite power amplifier |
Aug. 12, 2008 |
| 7411450 |
Circuit and method for amplification of an electrical input signal |
Aug. 12, 2008 |
| 7408411 |
High linearity programmable gain amplifier using switch |
Aug. 5, 2008 |
| 7400193 |
Ultra wide band, differential input/output, high frequency active splitter in an integrated circuit |
Jul. 15, 2008 |
| 7397302 |
Variable gain amplifier |
Jul. 8, 2008 |
| 7391259 |
Power amplifier |
Jun. 24, 2008 |
| 7388433 |
Ground inductance compensated quadrature radio frequency amplifier |
Jun. 17, 2008 |
| 7382185 |
Loop segment switching system |
Jun. 3, 2008 |
| 7382186 |
Amplifiers with high efficiency in multiple power modes |
Jun. 3, 2008 |
| 7382194 |
Switched distributed power amplifier |
Jun. 3, 2008 |
| 7378902 |
Systems and methods of RF power transmission, modulation, and amplification, including embodiments for gain and phase control |
May. 27, 2008 |
| 7365602 |
Multilevel power amplifier architecture using multi-tap transformer |
Apr. 29, 2008 |
| 7365606 |
Receiving amplifier, in particular for television receivers, and use of the receiving amplifier |
Apr. 29, 2008 |
| 7362170 |
High gain, high efficiency power amplifier |
Apr. 22, 2008 |
| 7362171 |
High-frequency amplifier |
Apr. 22, 2008 |
| 7362172 |
Variable gain circuit |
Apr. 22, 2008 |
| 7358802 |
Multi-phase techniques for tuning and/or measuring operations of an amplifier |
Apr. 15, 2008 |
| 7358806 |
Method and apparatus for an improved power amplifier |
Apr. 15, 2008 |
| 7355470 |
Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning |
Apr. 8, 2008 |
| 7356315 |
Outphasing modulators and methods of outphasing modulation |
Apr. 8, 2008 |
| 7352239 |
Power amplification apparatus using switching structure in a wireless communication system and method for controlling the same |
Apr. 1, 2008 |
| 7345537 |
Linear power amplifier with multiple output power levels |
Mar. 18, 2008 |
| 7345535 |
Power amplification apparatus of portable terminal |
Mar. 18, 2008 |
| 7345534 |
Efficient power amplification system |
Mar. 18, 2008 |
| 7342444 |
Power amplifying apparatus using asymmetric power drive |
Mar. 11, 2008 |
| 7336127 |
Doherty amplifier configuration for a collector controlled power amplifier |
Feb. 26, 2008 |
| 7336125 |
Power amplifier and transmitter |
Feb. 26, 2008 |
| 7332960 |
Method and apparatus for an improved power amplifier |
Feb. 19, 2008 |
| 7332961 |
Predistortion linearizing |
Feb. 19, 2008 |
| 7330071 |
High efficiency radio frequency power amplifier having an extended dynamic range |
Feb. 12, 2008 |
| 7330070 |
Method and arrangement for optimizing efficiency of a power amplifier |
Feb. 12, 2008 |
| 7315207 |
Doherty amplifier and its distortion characteristic compensation method |
Jan. 1, 2008 |
| 7312673 |
Radial power divider/combiner |
Dec. 25, 2007 |
| 7307479 |
Handset radiofrequency front end module in fine pitch quad flat no lead (FQFP-N) package |
Dec. 11, 2007 |
| 7304537 |
Power amplification apparatus of a portable terminal |
Dec. 4, 2007 |
| 7301395 |
Doherty amplifier |
Nov. 27, 2007 |
| 7298206 |
Multi-band amplifier for test and measurement instruments |
Nov. 20, 2007 |
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