Stabilization: Q point independency of temperature variation

Q.  Which process plays a crucial role in devising the independency of operating point over the variations in temperature or transistor parameters?
- Published on 24 Sep 15

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

ANSWER: Bias stabilization
 

    Discussion

  • Satyawati   -Posted on 25 Sep 15
    Bias stabilization is a process which makes the operating (Q) point independent of change in temperature or any change in transistor parameters.
    As Q-point exhibits its independent nature over the several variations, it plays a significant role in providing the stability to greater extent especially for self-bias, fixed-bias and collector to base bias circuits.
    Since the stability factor of circuit gets affected due to several variations, bias stabilization has a provision of maintaining the Q-point condition irrespective of the changes in temperature or transistor parameters and thereby ensuring the confined level of bias stability to circuits.

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