=> fo=104.84 Hz. 6. The output frequency of the VCO can be changed by changing
A. External tuning resistor
B. External tuning capacitor
C. Modulating input voltage
D. All of the mentioned
Answer:A
=> fo=104.84 Hz. 6. The output frequency of the VCO can be changed by changing
A. External tuning resistor B. External tuning capacitor C. Modulating input voltage D. All of the mentioned
Explanation: The output frequency of VCO, fo = [2×(Vcc– Vc)]/(CT×RT×Vcc).