Sensitivity of an AM Receiver. A detector with responsivity 9 (A/W), bandwidth B, and negligible circuit noise measures a modulated optical power P(t)=P0 Pn cos(2 π/ t), with f<B. If P0 ≫Ps, derive an expression for the minimum modulation power P, that is measurable with signal-to-noise ratio S N R0=30  dB. What is the effect of the background power P en on the minimum observable signal P, ? | Numerade
Sensitivity of an AM Receiver. A detector with responsivity 9 (A/W)…
Feb 8, 2022
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