Question

The point at which the output noise power of the fundamental signal shifts away from the ideal output power by 1-dB is called 1-dB expansion point.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Posted under Cognitive Radio

Answer: (b).False Explanation:The increase in the third-order intermodulation product eventually results in the intersection of the fundamental signal with the power of third-order intermodulation product. This is referred as IP3. The output power of the fundamental signal saturates before IP3.The point at which the output noise power of the fundamental signal shifts away from the ideal output power by 1-dB is called 1-dB compression point.

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Q. The point at which the output noise power of the fundamental signal shifts away from the ideal output power by 1-dB is called 1-dB expansion point.
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