Explanation: The gain |A|≥3, for oscillation to keep growing ( Since, |Aß|≥1 for sustained oscillation). 3. Determine the value of fo, ß and Rf from the following circuit diagram.
A. fo = 80Hz, ß = 0.162 and Rf = 7kΩ
B. fo = 100Hz, ß = 1.62 and Rf = 7kΩ
C. fo = 60Hz, ß = 0.0162 and Rf = 7kΩ
D. fo = 120Hz, ß = 16.2 and Rf = 7kΩ
Answer:A
Explanation: The gain |A|≥3, for oscillation to keep growing ( Since, |Aß|≥1 for sustained oscillation). 3. Determine the value of fo, ß and Rf from the following circuit diagram.
A. fo = 80Hz, ß = 0.162 and Rf = 7kΩ B. fo = 100Hz, ß = 1.62 and Rf = 7kΩ C. fo = 60Hz, ß = 0.0162 and Rf = 7kΩ D. fo = 120Hz, ß = 16.2 and Rf = 7kΩ
Explanation: The frequency of oscillation for the circuit is given as,