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Class Information
Number: 330/295
Name: Amplifiers > With semiconductor amplifying device (e.g., transistor) > Including plural amplifier channels
Description: Subject matter having more than one signal transmission path, each of which contains an amplifier (e.g., plural inputs or plural outputs).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7616061 |
Low noise amplifier for ultra wide band |
Nov. 10, 2009 |
| 7612612 |
Calibration circuitry and delay cells in rectilinear RF power amplifier |
Nov. 3, 2009 |
| 7602241 |
Multiband Doherty amplifier |
Oct. 13, 2009 |
| 7598809 |
RF power amplifier |
Oct. 6, 2009 |
| 7598810 |
Power amplifier having input ends combined in series and output ends combined in series |
Oct. 6, 2009 |
| 7598804 |
Amplifier circuit |
Oct. 6, 2009 |
| 7595688 |
High power commutating multiple output amplifier system |
Sep. 29, 2009 |
| 7589593 |
Amplifier circuit having stacked main amplifier and parallel sub-amplifier |
Sep. 15, 2009 |
| 7586374 |
Wireless communication unit, integrated circuit and biasing therefor |
Sep. 8, 2009 |
| 7586375 |
Active circuit having improved linearity using multiple gated transistor |
Sep. 8, 2009 |
| 7579913 |
Low power comsumption, low noise and high power gain distributed amplifiers for communication systems |
Aug. 25, 2009 |
| 7576611 |
Systems and methods for high frequency electronic power conversion and amplification |
Aug. 18, 2009 |
| 7570111 |
Apparatus and method for wideband amplification of RF signals |
Aug. 4, 2009 |
| 7570932 |
Dual mode quadrature radio frequency power amplifier |
Aug. 4, 2009 |
| 7560983 |
Multiple-path power amplifier |
Jul. 14, 2009 |
| 7560989 |
Power amplifier with controlled output power |
Jul. 14, 2009 |
| 7548118 |
Semiconductor device and power amplifier |
Jun. 16, 2009 |
| 7541866 |
Enhanced doherty amplifier with asymmetrical semiconductors |
Jun. 2, 2009 |
| 7539269 |
Method and apparatus for discrete power synthesis of multicarrier signals with constant envelope power amplifiers |
May. 26, 2009 |
| 7535304 |
Amplifier coupling on a reduced area |
May. 19, 2009 |
| 7532073 |
Solid state power amplifier with multi-planar MMIC modules |
May. 12, 2009 |
| 7526261 |
RF power transmission, modulation, and amplification, including cartesian 4-branch embodiments |
Apr. 28, 2009 |
| 7526260 |
Apparatus, methods and articles of manufacture for linear signal modification |
Apr. 28, 2009 |
| 7525386 |
Active circuit having improved linearity using multiple gated transistor |
Apr. 28, 2009 |
| 7525385 |
Common drain driven cascode enhancement mode traveling wave amplifier |
Apr. 28, 2009 |
| 7522672 |
Digital branch calibrator for an RF transmitter |
Apr. 21, 2009 |
| 7521995 |
Inverted doherty amplifier with increased off-state impedence |
Apr. 21, 2009 |
| 7514995 |
Standby and concurring system of a power amplifier and method for power amplifying |
Apr. 7, 2009 |
| 7511575 |
High-frequency power amplifier |
Mar. 31, 2009 |
| 7508268 |
Power amplifier and transmission and reception system |
Mar. 24, 2009 |
| 7498883 |
Distributed amplifier with built-in filtering functions |
Mar. 3, 2009 |
| 7498878 |
Multi-path doherty amplifier and control method of a multi-path doherty amplifier |
Mar. 3, 2009 |
| 7489197 |
Coupling net and MMIC amplifier |
Feb. 10, 2009 |
| 7486135 |
Configurable, variable gain LNA for multi-band RF receiver |
Feb. 3, 2009 |
| 7486133 |
Transmitting output stage with adjustable output power and process for amplifying a signal in a transmitting output stage |
Feb. 3, 2009 |
| 7486136 |
Power amplifier |
Feb. 3, 2009 |
| 7486141 |
Wide bandwidth, high power amplifier |
Feb. 3, 2009 |
| 7482894 |
Radial power divider/combiner using waveguide impedance transformers |
Jan. 27, 2009 |
| 7477105 |
Amplifier arrangement and method for amplifying a signal |
Jan. 13, 2009 |
| 7477108 |
Thermally distributed integrated power amplifier module |
Jan. 13, 2009 |
| 7474156 |
Impedance transformer for amplifier and amplifier including the same |
Jan. 6, 2009 |
| 7474155 |
Power amplifier |
Jan. 6, 2009 |
| 7471154 |
Bias circuit for maintaining high linearity at cutback power conditions |
Dec. 30, 2008 |
| 7471153 |
Multi-primary distributed active transformer amplifier power supply and control |
Dec. 30, 2008 |
| 7466203 |
Solid state microwave power amplifier |
Dec. 16, 2008 |
| 7459974 |
System and method for distortion cancellation in amplifiers |
Dec. 2, 2008 |
| 7457592 |
Polar modulation transmission apparatus and wireless communication apparatus |
Nov. 25, 2008 |
| 7456692 |
Gain variable amplifier |
Nov. 25, 2008 |
| 7456687 |
Amplifier unit and method of detecting failure in the same |
Nov. 25, 2008 |
| 7453320 |
Amplifier |
Nov. 18, 2008 |
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