Bias Compensation - Drift reduction in Q-point for signal loss

Q.  Which techniques is/are adopted for reducing the drift in the operating point especially when the loss of signal is intolerable?
- Published on 24 Sep 15

a. Bias stabilization
b. Bias compensation
c. Both a and b
d. None of the above

ANSWER: Bias compensation

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    Discussion

  • Satyawati   -Posted on 25 Sep 15
    Bias stabilizing circuits generally comprises negative feedback. This ultimately results into the drastic reduction of amplification level of AC signals.
    This loss of signals becomes quite unbearable for some circuits and hence it becomes necessary to minimize the drift in the operating point by adopting the bias compensation techniques.
    Bias compensation is usually performed through diode and thermistor compensation.

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