Explanation: The above mentioned diagram is the basic structure of feedback oscillator. It consists of an amplifier, to the external input (is applied and it have a feedback network from which the feedback signal (vf) is obtained. 5. What is the condition to achieve oscillations?
A. |Aß|=1
B. ∠Aß=0o
C. ∠Aß=multiples of 2π
D. All the mentioned
Answer:A
Explanation: The above mentioned diagram is the basic structure of feedback oscillator. It consists of an amplifier, to the external input (is applied and it have a feedback network from which the feedback signal (vf) is obtained. 5. What is the condition to achieve oscillations?
A. |Aß|=1 B. ∠Aß=0o C. ∠Aß=multiples of 2π D. All the mentioned
Explanation: All the conditions should be simultaneously satisfied to achieve oscillations. 6. What happens if |Aß|<1