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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:

Class Number Class Name Patents
330/126 Amplifying different frequencies in different channels 223
330/125 D.c. and a.c. amplifier channels 10
330/124D Redundant amplifier circuits 109


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Patent Number Title Of Patent Date Issued
8710924 Doherty amplifier circuit Apr. 29, 2014
8710927 High-frequency power amplifier Apr. 29, 2014
8692613 Modified dynamic load scaling (MDLS) technique for implementing high efficiency low power mode operation Apr. 8, 2014
8692615 Enhanced transconductance circuit Apr. 8, 2014
8687981 Method and system for split voltage domain transmitter circuits Apr. 1, 2014
8686794 Amplifying apparatus Apr. 1, 2014
8686791 Amplifying apparatus and distortion compensation method Apr. 1, 2014
8665028 Amplifier with integrated filter Mar. 4, 2014
8666338 Multi-mode bypass driver amplifier with tunable load matching Mar. 4, 2014
8659353 Asymmetric multilevel outphasing architecture for RF amplifiers Feb. 25, 2014
8659354 Power-amplifier arrangement Feb. 25, 2014
8653889 Doherty amplifier having compact output matching and combining networks Feb. 18, 2014
8655292 Amplifier circuit, transmitter, and method of controlling amplifier circuit Feb. 18, 2014
8654867 Transformer power combiner with filter response Feb. 18, 2014
8653890 Amplifier calibration Feb. 18, 2014
8653887 Method and arrangement in a mobile communication system Feb. 18, 2014
8653886 Method and arrangement in a mobile communications system Feb. 18, 2014
8648655 Modulator and an amplifier using the same Feb. 11, 2014
8649744 Radio-frequency transmitter, such as for broadcasting and cellular base stations Feb. 11, 2014
8638168 Digital power amplifier Jan. 28, 2014
8629722 Doherty amplifier and method for operation thereof Jan. 14, 2014
8629719 Amplifier circuit and method for signal sensing Jan. 14, 2014
8629718 Signal splitting apparatus suitable for use in a power amplifier Jan. 14, 2014
8618878 Multiport amplifier and wireless device using the same Dec. 31, 2013
8618879 Semiconductor device Dec. 31, 2013
8618883 N-way doherty distributed power amplifier with power tracking Dec. 31, 2013
8614601 Power amplifier and operating method thereof Dec. 24, 2013
8610503 Apparatus and methods for oscillation suppression Dec. 17, 2013
8604874 Enhanced transformer output demultiplexing method (ETODEM) Dec. 10, 2013
8604881 Efficiency improvement of doherty power amplifier using supply switching and digitally controlled gate bias modulation of peaking amplifier Dec. 10, 2013
8598951 Linear multi-mode power amplifier for dynamic supply operation Dec. 3, 2013
8598954 Doherty amplifier and semiconductor device Dec. 3, 2013
8594596 Amplifier Nov. 26, 2013
8593219 Method and apparatus for amplifying a radio frequency signal Nov. 26, 2013
8587374 Amplifier activation Nov. 19, 2013
8587375 Power amplifier linearization method and apparatus Nov. 19, 2013
8581662 Amplifying system Nov. 12, 2013
8581663 Multi-port amplification device that self-compensates in the presence of traffic Nov. 12, 2013
8581665 Doherty amplifier Nov. 12, 2013
8576010 Apparatus and method for a switched capacitor architecture for multi-band doherty power amplifiers Nov. 5, 2013
8570103 Flexible multi-channel amplifiers via wavefront muxing techniques Oct. 29, 2013
8570104 Amplifier assembly having controlled return of power loss Oct. 29, 2013
8570101 Variable duty cycle generation for out-phasing and PWM power amplifiers Oct. 29, 2013
8564367 Power amplifier Oct. 22, 2013
8558611 Peaking amplifier with capacitively-coupled parallel input stages Oct. 15, 2013
8552896 Digital to analog converter (DAC) Oct. 8, 2013
8547172 Optical transmitter with multiple isolated inputs and signal combining network Oct. 1, 2013
8547174 Broadband linearizer with combined second and third order generation with adjustable tilt Oct. 1, 2013
8536939 Cross-coupled multipath feedforward operational amplifiers Sep. 17, 2013
8536948 Power amplifier Sep. 17, 2013

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20










 
 
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