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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 20
11.
The common gate amplifier has a characteristically __________ input resistance and a __________ output resistance.
low, low
high, high
low, high
high, low
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
For input and later stages, BI-FET op-amp use
JFETs and MOSFETs respectively
MOSFETs and JFETs respectively
JFETs and BJTs respectively
BJTs and JFETs respectively
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
The emitter coupled pair of BJT's gives a linear transfer relation between the differential output voltage and the differential input voltage Vid only when the magnitude of Vid is less a times the thermal voltage, where a is
4
3
2
1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
In most transistor the collector region is made physically larger than the emitter region
for dissipating heat
to distinguish it from other regions
as it is sensitive to ultraviolet rays
to reduce resistance in the path of flow of electrons
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
The leakage current in CB configuration may be around
few micro amperes
few hundred micro amperes
few milliamperes
few hundred milliamperes
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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