The expression for MOD number for a ripple counter with N flip-flops is
Calculate the maximum clock frequency at which a 4-bit asynchronous counter can work reliably. Assume the propagation delay of each flip-flop to be 40 ns and the width of the strobe pulse to be 20 ns.
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A cascade of three identical modulo-5 counters has an overall modulus of
A 6 bit counter is used to count from 0, 1, 2, ......n. The value of n is _____
An eight-bit binary ripple UP counter with a modulus of 256 is holding the count 01111111. What will be the count after 135 clock pulses?
In a D flip flop, if the present state is 1, what will be the next state of the output at the complement end?
A frequency counter needs to measure a frequency of 30 Hz. If the gating time is 2 seconds then determine how many times the trigger level has been crossed?
A sequence detector is designed to detect precisely 3 digital inputs, with overlapping sequences detectable. For the sequence (1,0,1) and input data (1,1,0,1,0,0,1,1,0,1,0,1,1,0), what is the output of this detector?
6 videos|76 docs|52 tests
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6 videos|76 docs|52 tests
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