Electronics and Communication Engineering - Exam Questions Papers - Discussion
Discussion Forum : Exam Questions Papers - Exam Paper 12 (Q.No. 8)
8.
What is the frequency of pulse at the points a, b, c in the circuit?
Answer: Option
Explanation:
Ring counter is N : 1 divider.
Hence 
⇒ 1 MHz
Johnson counter is 2N : 1 divider
⇒ 
Ripple counter 2N : 1
⇒ 
= 7812.5 ∼ 7.8 kHz
Mod 10 = 4 FF ⇒ 24 = 16.
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