Electronics & Communication Engineering - Pulse And Digital Circutes

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43.

a comparator is a basic building block in a system used to analyze the__________distribution of noise generated in active device                        
A. Both frequency and phase B. Amplitude
C. Phase D. Frequency



44.

the capacitance which appears across a reverse biased function of a diode is called                        
A. Diffusion capacitance B. Fixed capacitance
C. Transition capacitance D. Valuable capacitance



45.

common base configurations is little used because                        
A. High voltage gain B. High current gain
C. It has low input impedance D. High input impedance




46.

the Vce (sat) of Si n-p-n transistor at 27 c is                        
A. 0.7 v B. 0.3 v
C. 0.8 v D. 0.1 v



47.

the capacitor which assists the binary in making abrupt transition between states are called                        
A. delay B. Storage
C. commutating D. translation



48.

monostable vibrators generates                        
A. Pulse wave form B. Ramp signal
C. Sine wave D. Square wave



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