|
1) Which among the following is/are the feature/s characteristic/s of an integrated op-amp? a. Small size b. High reliability c. Low cost & less power consumption d. All of the above
|
||||
|
2) In a typical op-amp, which stage is supposed to be a dual-input unbalanced output or single-ended output differential amplifier? a. Input stage b. Intermediate stage c. Output stage d. Level shifting stage
|
||||
|
3) In differential mode of op-amp, if output voltage is equal to the difference between outputs of individual transistors, its amplitude will be _______the amplitude of signal voltage yielded at collector to ground. a. twice b. thrice c. four times d. one-fourth times
|
||||
|
4) In a differential amplifier, the configuration is said to be an 'unbalanced output', if ________ a. Output voltage is measured between two collectors b. Output is measured with respect to ground c. Two input signals are used d. All of the above
|
||||
|
5) Input offset current is basically defined as the algebraic ______ the base current of two transistors. a. sum of b. difference between c. product of d. division of
|
||||
|
6) Unipolar belongs to ________technology/ies of integrated circuits. a. Hybrid b. Monolithic c. Both a and b d. None of the above
|
||||
|
7) Which among the following belong to the category of bipolar technology?
A. JFET B. MOSFET C. P-N junction isolation D. Di-electric isolation a. A & B b. B & C c. C & D d. A & D
|
||||
|
8) Which op-amp technology/ies exhibit/s low current sourcing/ sinking capacity? a. Bipolar op-amp b. CMOS op-amp c. BICMOS op-amp d. All of the above
|
||||
|
9) How many stages are involved in bipolar op-amp? a. 2 b. 3 c. 4 d. 6
|
||||
|
10) In op-amps, which type of noise occurs due to discrete flow of current in the device? a. Shot noise b. Burst noise c. Thermal noise d. Flicker noise
|
||||
