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Class Information
Number: 330/268
Name: Amplifiers > With semiconductor amplifying device (e.g., transistor) > Including push-pull amplifier > Having complementary symmetry > And particular biasing arrangement > To eliminate crossover distortion
Description: Subject matter wherein distortion which occurs at the points of operation where the input signals cross over the zero reference points is eliminated.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7382174 |
A-AB transconductor |
Jun. 3, 2008 |
| 7368992 |
Load-invariant amplifier |
May. 6, 2008 |
| 6903610 |
Operational amplifying circuit and push-pull circuit |
Jun. 7, 2005 |
| 6794943 |
Ultra linear high speed operational amplifier output stage |
Sep. 21, 2004 |
| 6784738 |
Method and apparatus for gain control in a CMOS low noise amplifier |
Aug. 31, 2004 |
| 6636117 |
Input/output buffer incorporating filter for powerline communications line |
Oct. 21, 2003 |
| 6535063 |
Drive method for a cross-connected class AB output stage with shared base current in pre-driver |
Mar. 18, 2003 |
| 6535064 |
Current-feedback amplifier exhibiting reduced distortion |
Mar. 18, 2003 |
| 6529078 |
Low-distortion transimpedance amplifier structures and methods |
Mar. 4, 2003 |
| 6501334 |
Actively biased class AB output stage with low quiescent power, high output current drive and wide output voltage swing |
Dec. 31, 2002 |
| 6452451 |
Method for adjusting a bipolar output stage for improved frequency response |
Sep. 17, 2002 |
| 6429744 |
Method for bias rail buffering |
Aug. 6, 2002 |
| 6411145 |
Feedback control of clock duty cycle |
Jun. 25, 2002 |
| 6384684 |
Amplifier |
May. 7, 2002 |
| 6369653 |
Apparatus and methods for improved control of quiescent state of output transistors in a class AB amplifier |
Apr. 9, 2002 |
| 6353363 |
Low voltage rail-to-rail CMOS output stage |
Mar. 5, 2002 |
| 6297699 |
Bias rail buffer circuit and method |
Oct. 2, 2001 |
| 6294958 |
Apparatus and method for a class AB output stage having a stable quiescent current and improved cross over behavior |
Sep. 25, 2001 |
| 6262633 |
High output current operational amplifier output stage |
Jul. 17, 2001 |
| 6184750 |
Control circuit driven by a differential input voltage and method for controlling same |
Feb. 6, 2001 |
| 6175277 |
Bias network for CMOS power devices |
Jan. 16, 2001 |
| 6100763 |
Circuit for RF buffer and method of operation |
Aug. 8, 2000 |
| 6078220 |
Complementary class AB current amplifier |
Jun. 20, 2000 |
| 5973563 |
High power output stage with temperature stable precisely controlled quiescent current and inherent short circuit protection |
Oct. 26, 1999 |
| 5963065 |
Low offset push-pull amplifier |
Oct. 5, 1999 |
| 5955924 |
Differential metal-oxide semiconductor (CMOS) push-pull buffer |
Sep. 21, 1999 |
| 5955923 |
Amplifier with reduced cross-over distortion |
Sep. 21, 1999 |
| 5892399 |
Current boost circuit for reducing crossover distortion in an operational amplifier |
Apr. 6, 1999 |
| 5869989 |
Amplifying electronic circuit with stable idling current |
Feb. 9, 1999 |
| 5754078 |
Operational amplifier for class B amplification |
May. 19, 1998 |
| 5673000 |
Dynamically invariant AB linear operation amplifier |
Sep. 30, 1997 |
| 5513389 |
Push pull buffer with noise cancelling symmetry |
Apr. 30, 1996 |
| 5452208 |
Display device |
Sep. 19, 1995 |
| 5229721 |
Micropower amplifier/transducer driver with signal expansion |
Jul. 20, 1993 |
| 5162752 |
Working point adjusting circuit for a single power amplifier having multiple output channels |
Nov. 10, 1992 |
| 5148116 |
Enhanced vacuum tube power amplifier |
Sep. 15, 1992 |
| 5146181 |
BiCMOS output stage with improved output voltage signal |
Sep. 8, 1992 |
| 5070308 |
Working point adjusting circuit for a power amplifier |
Dec. 3, 1991 |
| 5061902 |
Linear amplifier |
Oct. 29, 1991 |
| 5057790 |
High efficiency class A amplifier |
Oct. 15, 1991 |
| 5055797 |
Bias control for power amplifiers |
Oct. 8, 1991 |
| 5049834 |
Amplifier having a constant-current bias circuit |
Sep. 17, 1991 |
| 4959623 |
Low impedance buffer circuit |
Sep. 25, 1990 |
| 4893091 |
Complementary current mirror for correcting input offset voltage of diamond follower, especially as input stage for wide-band amplifier |
Jan. 9, 1990 |
| 4864249 |
Nonslewing amplifier |
Sep. 5, 1989 |
| 4814723 |
Integratable class AB output stage for low-frequency amplifiers |
Mar. 21, 1989 |
| 4803441 |
Amplifying circuit |
Feb. 7, 1989 |
| 4728903 |
Class A high-fidelity amplifier |
Mar. 1, 1988 |
| 4713629 |
Semi-conductor transformerless audio amplifier |
Dec. 15, 1987 |
| 4700282 |
Monolithically integratable control circuit having a push-pull output stage for the switching of inductive loads |
Oct. 13, 1987 |
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