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Class Information
Number: 330/124D
Name: Amplifiers > With plural amplifier channels (e.g., parallel amplifier channels) > Redundant amplifier circuits
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7583139 |
Power-efficient automatic gain control |
Sep. 1, 2009 |
| 7579909 |
Bypass circuit for radio-frequency amplifier stages |
Aug. 25, 2009 |
| 7554407 |
Multi-mode power amplifier with low gain variation over temperature |
Jun. 30, 2009 |
| 7525396 |
System, microwave switch and method for hot standby of radio frequency power amplifier |
Apr. 28, 2009 |
| 7514994 |
Amplifier with high output power dynamic |
Apr. 7, 2009 |
| 7420412 |
Multiple power mode amplifier with bias modulation option and without bypass switches |
Sep. 2, 2008 |
| 7394313 |
Multiple power mode amplifier with bias modulation option and without bypass switches |
Jul. 1, 2008 |
| 7388427 |
Multiple power mode amplifier with bias modulation option and without bypass switches |
Jun. 17, 2008 |
| 7385445 |
High efficiency amplifier circuits having bypass paths |
Jun. 10, 2008 |
| 7382185 |
Loop segment switching system |
Jun. 3, 2008 |
| 7365602 |
Multilevel power amplifier architecture using multi-tap transformer |
Apr. 29, 2008 |
| 7352239 |
Power amplification apparatus using switching structure in a wireless communication system and method for controlling the same |
Apr. 1, 2008 |
| 7348841 |
Multiple power mode amplifier with bias modulation option and without bypass switches |
Mar. 25, 2008 |
| 7345537 |
Linear power amplifier with multiple output power levels |
Mar. 18, 2008 |
| 7315205 |
Multiple power mode amplifier with bias modulation option and without bypass switches |
Jan. 1, 2008 |
| 7215192 |
High efficiency power amplifier |
May. 8, 2007 |
| 7161422 |
Multiple power mode amplifier with bias modulation option and without bypass switches |
Jan. 9, 2007 |
| 7142060 |
Active splitter for multiple reception units |
Nov. 28, 2006 |
| 7126417 |
Distributed gain network |
Oct. 24, 2006 |
| 7061315 |
Auxiliary amplifier network |
Jun. 13, 2006 |
| 7049886 |
High efficiency power amplifier with multiple power modes |
May. 23, 2006 |
| 7023270 |
High efficiency power amplifier |
Apr. 4, 2006 |
| 6972618 |
High efficiency power amplifier with multiple power modes |
Dec. 6, 2005 |
| 6949974 |
Radio frequency power amplifier |
Sep. 27, 2005 |
| 6943625 |
Gain and phase balanced amplifier redundancy system |
Sep. 13, 2005 |
| 6943624 |
Radio frequency power amplifier |
Sep. 13, 2005 |
| 6904013 |
Error handling within power amplifier modules in wireless base-station |
Jun. 7, 2005 |
| 6900692 |
High efficiency power amplifier with multiple power modes |
May. 31, 2005 |
| 6864743 |
Microwave amplifier with bypass segment |
Mar. 8, 2005 |
| 6826064 |
Stable voltage converter with multiple pulse width modulated channels |
Nov. 30, 2004 |
| 6819171 |
Amplifier arrangement |
Nov. 16, 2004 |
| 6816015 |
Amplifier circuit having a plurality of first and second base resistors |
Nov. 9, 2004 |
| 6812786 |
Zero-bias bypass switching circuit using mismatched 90 degrees hybrid |
Nov. 2, 2004 |
| 6765439 |
Impedance matching for a power amplifier system |
Jul. 20, 2004 |
| 6744312 |
Adaptive power amplifier system |
Jun. 1, 2004 |
| 6710662 |
Power amplifier with improved linearity and reduced transistor stacks |
Mar. 23, 2004 |
| 6674325 |
Balanced current converter with multiple pulse width modulated channels |
Jan. 6, 2004 |
| 6590448 |
Operational amplifier topology and method |
Jul. 8, 2003 |
| 6525605 |
Power amplifier system having frequency and amplifier failure compensation |
Feb. 25, 2003 |
| 6463269 |
Power amplification system with intelligent control of amplifier modules |
Oct. 8, 2002 |
| 6424216 |
Power amplifier system having amplifier failure compensation |
Jul. 23, 2002 |
| 6344774 |
Integrated power amplifier which allows parallel connections |
Feb. 5, 2002 |
| 6342810 |
Predistortion amplifier system with separately controllable amplifiers |
Jan. 29, 2002 |
| 6342811 |
Integrated power amplifier which allows parallel connections |
Jan. 29, 2002 |
| 6313700 |
Power amplifier and communication unit |
Nov. 6, 2001 |
| 6294955 |
Apparatus and method for use in disconnecting and/or replacing one of a plurality of power amplifiers in a transmitter while the transmitter is operating |
Sep. 25, 2001 |
| 6292677 |
Power delivery system and method of controlling the power delivery system for use in a radio frequency system |
Sep. 18, 2001 |
| 6262627 |
Integrated power amplifier which allows parallel connections |
Jul. 17, 2001 |
| 6225865 |
Signal switching arrangement |
May. 1, 2001 |
| 6208203 |
Low-noise amplifier |
Mar. 27, 2001 |
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