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Class Information
Number: 330/151
Name: Amplifiers > With amplifier bypass means (e.g., forward feed)
Description: Subject matter wherein means are provided to by-pass all or a part of the signal across the amplifier or of one or more stages of a cascade amplifier.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7459974 |
System and method for distortion cancellation in amplifiers |
Dec. 2, 2008 |
| 7456688 |
Signal extraction circuit and distortion-compensated amplifier incorporating the same |
Nov. 25, 2008 |
| 7447484 |
Timing controller and timing control method |
Nov. 4, 2008 |
| 7436259 |
Amplification apparatus |
Oct. 14, 2008 |
| 7403070 |
Band selection type feed forward amplifier |
Jul. 22, 2008 |
| 7382187 |
Semiconductor integrated circuit and amplifier for suppressing pop sound while minimizing voltage transition settling time |
Jun. 3, 2008 |
| 7362168 |
Audio amplifier |
Apr. 22, 2008 |
| 7359680 |
Delay calibration in polar modulation transmitters |
Apr. 15, 2008 |
| 7348843 |
Predistortion linearizer using cascaded lower-order linearizers |
Mar. 25, 2008 |
| 7342442 |
Variable gain amplifying apparatus and wireless communication apparatus |
Mar. 11, 2008 |
| 7342446 |
Apparatus and method for controlling feed-forward amplifiers |
Mar. 11, 2008 |
| 7336128 |
Feed forward amplifier for multiple frequency bands |
Feb. 26, 2008 |
| 7321635 |
Linearization of amplifiers using baseband detection and non-baseband pre-distortion |
Jan. 22, 2008 |
| 7308234 |
Feedforward spur cancellation approach using low IP amplifier |
Dec. 11, 2007 |
| 7301397 |
Enhanced efficiency feed forward power amplifier with delay mismatched error cancellation loop |
Nov. 27, 2007 |
| 7301396 |
System and method for distortion cancellation in amplifiers |
Nov. 27, 2007 |
| 7248113 |
Methods and systems for stabilizing an amplifier |
Jul. 24, 2007 |
| 7248112 |
Hybrid distortion compensation method and hybrid distortion compensation device |
Jul. 24, 2007 |
| 7245189 |
High linearity digital variable gain amplifier |
Jul. 17, 2007 |
| 7227408 |
Low distortion class-D amplifier using sampling of a servo-loop amplifier output |
Jun. 5, 2007 |
| 7224223 |
Feed-forward power amplifier |
May. 29, 2007 |
| 7221223 |
Methods and apparatus of managing a power amplifier |
May. 22, 2007 |
| 7221220 |
Method and apparatus for low-frequency bypass in broadband RF circuitry |
May. 22, 2007 |
| 7221222 |
Methods and apparatus of managing a power amplifier |
May. 22, 2007 |
| 7218172 |
Apparatus and method for controlling adaptive circuits |
May. 15, 2007 |
| 7196576 |
Method and apparatus for control of predistortion linearizer based on power series |
Mar. 27, 2007 |
| 7190223 |
Amplifier |
Mar. 13, 2007 |
| 7187232 |
Feed forward amplifier employing positive feedback pilot generation with automatic level control |
Mar. 6, 2007 |
| 7187234 |
Decorrelated power amplifier linearizers |
Mar. 6, 2007 |
| 7173484 |
System and method of carrier reinjection in a feedforward amplifier |
Feb. 6, 2007 |
| 7170346 |
Arrangement for reducing non-linear distortions in an output signal of an amplifier stage |
Jan. 30, 2007 |
| 7167693 |
Scanning receiver for use in power amplifier linearization |
Jan. 23, 2007 |
| 7164316 |
Series-Type Doherty Amplifier Without Hybrid Coupler |
Jan. 16, 2007 |
| 7157967 |
System and method for control of loop alignment in adaptive feed forward amplifiers |
Jan. 2, 2007 |
| 7149484 |
Portable communication device having adjustable amplification and method therefor |
Dec. 12, 2006 |
| 7142054 |
Amplifying signals using a quadrature coupled amplifier |
Nov. 28, 2006 |
| 7129778 |
Digital cross cancellation system |
Oct. 31, 2006 |
| 7126421 |
Method for aligning feed forward loops |
Oct. 24, 2006 |
| 7126418 |
Delay mismatched feed forward amplifier system using penalties and floors for control |
Oct. 24, 2006 |
| 7126422 |
Multi-band feed-forward amplifier and adjustment method therefor |
Oct. 24, 2006 |
| 7116167 |
Predistortion linearizer and method thereof |
Oct. 3, 2006 |
| 7110718 |
Phase distortion using MOS nonlinear capacitance |
Sep. 19, 2006 |
| 7110739 |
Multi-transmitter communication system employing anti-phase pilot signals |
Sep. 19, 2006 |
| 7106134 |
Feed forward amplifier employing bias circuit topologies for minimization of RF amplifier memory effects |
Sep. 12, 2006 |
| 7106132 |
Feed-forward operational amplifiers and methods of using the same |
Sep. 12, 2006 |
| 7103329 |
Adaptive feedback channel for radio frequency power amplifiers |
Sep. 5, 2006 |
| 7095277 |
Method and arrangement for a power amplifier |
Aug. 22, 2006 |
| 7091781 |
Wideband feed forward linear power amplifier |
Aug. 15, 2006 |
| 7091782 |
Radio apparatus comprising an amplifier for radio-frequency signals, amplifier for radio-frequency signals and method for amplifying such signals |
Aug. 15, 2006 |
| 7088176 |
Method and arrangement relating to multicarrier power amplifiers |
Aug. 8, 2006 |
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