Five JK flip-flops are cascaded to form the circuit shown in Figure. C

1.	Five JK flip-flops are cascaded to form the circuit shown in Figure. Clock pulses at a frequency of 1 MHz are applied as shown. The frequency (in kHz) of the waveform at Q3 is __________ .
Answer» Given circuit is a Ripple (Asynchrnous) counter. In Ripple counter, o/p frequency of each flip-flop is half of the input frequency if their all the states are used otherwise o/p frequency of the counter is = input frequency/modulus of the counter So, the frequency at Q₃ = input frequency/16 = ((1 x 10⁶)/16)H_z = 62.5kHz

Five JK flip-flops are cascaded to form the circuit shown in Figure. Clock pulses at a frequency of 1 MHz are applied as shown. The frequency (in kHz) of the waveform at Q3 is __________ .

Answer»

Given circuit is a Ripple (Asynchrnous) counter. In Ripple counter, o/p frequency of each flip-flop is half of the input frequency if their all the states are used otherwise o/p frequency of the counter is

= input frequency/modulus of the counter

So, the frequency at Q₃ = input frequency/16

= ((1 x 10⁶)/16)H_z = 62.5kHz

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Five JK flip-flops are cascaded to form the circuit shown in Figure. Clock pulses at a frequency of 1 MHz are applied as shown. The frequency (in kHz) of the waveform at Q3 is __________ .

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