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Class Information
Number: 330/122
Name: Amplifiers > Including a push-pull stage > Input and/or output coupling for push-pull
Description: Subject matter involving specific details or distinctive characteristics of the input and/or output circuits coupling the source to the amplifying devices and the amplifying devices to a load, respectively.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7321752 |
Linear amplification arrangement with non-linear amplifier element for a mobile radio device |
Jan. 22, 2008 |
| 7145392 |
Methods and apparatus for variable harmonic distortion |
Dec. 5, 2006 |
| 7030690 |
Operational amplifier with selectable performance characteristics |
Apr. 18, 2006 |
| 5838196 |
Transformer-coupled amplifier |
Nov. 17, 1998 |
| 5731740 |
Circuit bias via transformer |
Mar. 24, 1998 |
| 5498996 |
High-power, high-fidelity tube amplifier |
Mar. 12, 1996 |
| 5107223 |
Phase inverter and push-pull amplifier using the same |
Apr. 21, 1992 |
| 4554510 |
Switching fiber optic amplifier |
Nov. 19, 1985 |
| 4066975 |
Audio amplifier with improved stability |
Jan. 3, 1978 |
| 4047120 |
Transient suppression circuit for push-pull switching amplifiers |
Sep. 6, 1977 |
| 3995226 |
Audio amplifier |
Nov. 30, 1976 |
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