Electronics and Communication Engineering - Analog Electronics
Exercise :: Analog Electronics - Section 21
| 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:
|
| 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:
|
| 4. |
The circuit of figure is called
 |
| A. |
current mirror | | B. |
voltage mirror | | C. |
impedance inversion | | D. |
phase splitting |
Answer: Option A
Explanation:
|
| 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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