The point of intersection of the fundamental signal with the power of third-order intermodulation product is called as _____(a) input-referenced third-order intercept point(b) output-referenced third-order intercept point(c) input-referenced third-order intermodulation point(d) output-reference third-order intermodulation pointThis question was addressed to me in my homework.Asked question is from ADC Tradeoffs in chapter Technology Tradeoffs in Software Defined Radio of Cognitive Radio

The point of intersection of the fundamental signal with the power of

1.	The point of intersection of the fundamental signal with the power of third-order intermodulation product is called as _____(a) input-referenced third-order intercept point(b) output-referenced third-order intercept point(c) input-referenced third-order intermodulation point(d) output-reference third-order intermodulation pointThis question was addressed to me in my homework.Asked question is from ADC Tradeoffs in chapter Technology Tradeoffs in Software Defined Radio of Cognitive Radio
Answer» The correct option is (a) input-referenced third-order intercept point To elaborate: The increase in the third-order intermodulation product eventually results in the intersection of fundamental SIGNAL with the POWER of third-order intermodulation product. This is REFERRED as input-reference third-order intercept point (IP3). The OUTPUT power of the fundamental signal saturates before IP3.

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