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4. Assume a communication system with 100kHz-wide channels and guard bands of 10kHz, with desired channel at 2GHz. What
Posted: Tue Jul 12, 2022 8:31 am
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4. Assume a communication system with 100kHz-wide channels and guard bands of 10kHz, with desired channel at 2GHz. What (undesired) signal levels in adjacent channels would produce a signal in the desired channel at the noise level of the desired signal, i.e., due to 2-tone 3rd order distortion? With regard to the figure of problem 2 assume IP3₁ is arbitrarily large, IP3₂ is 10dBm, and IP33 is 6dBm. (Note that all IP3 values are referred to the output).