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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:
1 2 3

Patent Number Title Of Patent Date Issued
8295774 Methods and apparatuses for providing a stable wideband noise signal Oct. 23, 2012
8284963 Method and apparatus for diminishing mismatch effects between switched signals Oct. 9, 2012
8130033 Switching low noise amplifier Mar. 6, 2012
8036293 Method and apparatus for a multi-protocol XDSL line driver Oct. 11, 2011
8004356 Tuning multiport amplifiers Aug. 23, 2011
7999613 Method and apparatus for an improved power amplifier Aug. 16, 2011
7800438 Bypass device for microwave amplifier unit Sep. 21, 2010
7728662 Saturated power amplifier with selectable and variable output power levels Jun. 1, 2010
7719357 Differential amplifier with a plurality of input pairs May. 18, 2010
7675359 Switch-around low noise amplifier Mar. 9, 2010
7656227 Techniques to control amplifier gain over process, voltage, and/or temperature (PVT) variations Feb. 2, 2010
7649411 Segmented power amplifier Jan. 19, 2010
7647044 RF switching device Jan. 12, 2010
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

1 2 3










 
 
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