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If each stage has a gain of 10 dB and noise figure of 10 dB, then the overall noise figure of a two stage cascade amplifier will be | |
A. | 10 [Wrong Answer] |
B. | 1.09 [Wrong Answer] |
C. | 1 [Wrong Answer] |
D. | 10.9 [Correct Answer] |
View Answer
Explanation:-
Answer : D Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
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100
999
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⇒ When a source is delivering maximum power to a load through a network, the ratio of power delivered to the source power
may be 50% or less than 50%
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256
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⇒ A constant k low pass T section filter has a characteristic impedance of 600 p at zero frequency. At f = f_{c} the characteristic impedance is
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⇒
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Both A and R are true and R is correct explanation of A
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A is false but R is true
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crystal oscillators
Hartley oscillators
colpitts oscillators
none of the above
⇒ The D.C. alpha(a) of a transistor is approximately
unity
10 to 50
100 to 500
1000 to 5000