Which type of ADC follow the conversion technique of changing the analog input signal to a linear function of frequency?

Both integrating and direct type ADC

Which type of ADC follow the conversion technique of changing the anal

1.	Which type of ADC follow the conversion technique of changing the analog input signal to a linear function of frequency?
A.	Direct type ADC
B.	Integrating type ADC
C.	Both integrating and direct type ADC
D.	None of the mentioned
Answer» C. Both integrating and direct type ADC