=> R= 1/7.153×10-4= 1398=13.9kΩ. 9. The value of feedback resistor in phase shift oscillator is 180kΩ. Find its input resistance?
A. 52kΩ
B. 151kΩ
C. 209kΩ
D. 6.2kΩ
Answer:A
=> R= 1/7.153×10-4= 1398=13.9kΩ. 9. The value of feedback resistor in phase shift oscillator is 180kΩ. Find its input resistance?
A. 52kΩ B. 151kΩ C. 209kΩ D. 6.2kΩ
Explanation: To obtain sustained oscillation in phase shift oscillator.