Electronics & Communication Engineering - Pulse And Digital Circutes

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13.

Sampling gates are used in _______                        
A. Multiplexers B. D to A converters
C. Sample and Hold circuits D. All the above



14.

The variations in phase delay occur due to ____                        
A. variations in loop gain B. variations in supply voltage
C. both a and b D. None



15.

Among the logic families, low power dissipation is in _____                        
A. DTL B. CMOS
C. TTL D. ECL




16.

Synchronization is said to be with frequency division, if the generators operate at___                        
A. same frequency B. different frequency
C. both a and b D. None



17.

Synchronization with symmetrical signals is possible if_______                        
A. Tp <= T0 B. Tp >= T0
C. both a and b D. either a or b



18.

Which of the following logic family has highest fan-out                        
A. ECL B. TTL
C. DTL D. CMOS



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