Electronics and Communication Engineering - Analog Electronics

1. 

The noise figure of FET circuit is

A. independent of the quiescent point
B. dependent on the quiescent point only
C. dependent on the triggering mechanism
D. independent of all above

Answer: Option A

Explanation:

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2. 

The circuit diagram shown in the figure consists of transistors in;

A. parallel connection
B. cascade connection
C. darlington connection
D. series connection

Answer: Option A

Explanation:

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3. 

The encapsulation of transistor is necessary for

A. preventing radio interference
B. preventing photo-emission effects
C. avoiding loss of free electrons
D. mechanical ruggedness

Answer: Option D

Explanation:

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4. 

The circuit of figure is called

A. current mirror
B. voltage mirror
C. impedance inversion
D. phase splitting

Answer: Option A

Explanation:

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5. 

In CE approximately, the active region is where the collector curves are

A. almost horizontal
B. almost vertical
C. inclined at 45°
D. inclined at 60°

Answer: Option A

Explanation:

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