| 摘要 |
A D.C. current compensation circuit for a nonlinear amplifier includes a compensating amplifier of substantially the same circuit configuration as that of the nonlinear amplifier, and a current mirror for coupling the compensation amplifier to the nonlinear amplifier to be compensated. The compensating amplifier is provided with feedback from its output to its input, so that a D.C. current provided to the output of the compensating amplifier can be used to compensate the D.C. input current of the nonlinear amplifier. In this manner, the nonlinear amplifier can be compensated for changes in gain due to temperature or manufacturing process variations.
|
