Which of the following oscillator is used as 1230 Hz oscillator?
A. Hartley oscillator
B. Crystal oscillator
C. RC oscillator
D. Wien bridge oscillator
Answer:D
Which of the following oscillator is used as 1230 Hz oscillator?
A. Hartley oscillator B. Crystal oscillator C. RC oscillator D. Wien bridge oscillator
Explanation: Wien bridge oscillator is used as 1230 Hz oscillator. The output level is internally regulated.