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The MCQ ECL uses an overdriven BJT differential amplifier with single-ended input to: slow turn-off behavior, slow turn-on behavior, fast turn-off behavior and fast turn-on behavior with "ECL Basic Principle" App Download (Free) for job assessment test. Practice ecl basic principle quiz questions, download Google eBook (Free Sample) for online college admission.

## ECL Basic Principle MCQ Quiz : Digital Electronics MCQs

MCQ 1: ECL uses an overdriven BJT differential amplifier with single-ended input to

A) slow turn-off behavior
B) slow turn-on behavior
C) fast turn-off behavior
D) fast turn-on behavior

MCQ 2: The differential nature of the circuit makes ECL less susceptible to pick up

A) current
B) voltage
C) input
D) noise

MCQ 3: The current drawn from power supply during switching will

A) increase
B) decrease
C) remain constant
D) zero

MCQ 4: In ECL, output impedance of circuit is always

A) high
B) low
C) infinite
D) zero

MCQ 5: In ECL, the transistors are never in saturation, the input/output voltages have a small swing approximately equals to

A) 0 V
B) 0.8 V
C) 1.2 V
D) 2 V

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