A Low Level Sinusoidal Signal Vy T Vsin 2nfet Is Conditioned By A Noisy Amplifier With A Gain Of Ky 109 The Amp 1 (29.97 KiB) Viewed 62 times
A Low Level Sinusoidal Signal Vy T Vsin 2nfet Is Conditioned By A Noisy Amplifier With A Gain Of Ky 109 The Amp 2 (9.56 KiB) Viewed 62 times
A Low Level Sinusoidal Signal Vy T Vsin 2nfet Is Conditioned By A Noisy Amplifier With A Gain Of Ky 109 The Amp 3 (9.72 KiB) Viewed 62 times
A low-level sinusoidal signal, vy(t) = Vsin(2nfet), is conditioned by a noisy amplifier with a gain of Ky = 109. The amplifier is followed by a noiseless LPF. The amplifier has an equivalent, white short-circuit input voltage noise root PDS of ena = 14 nV/Hz. The 1.5 k 2 source resistor also makes thermal white noise at 300 K. f. = 100 Hz, t = 0.01 s, Vs = 10 pV pk. See Figure P3.2. =
LPF ena 1.5 k 2 at 300 K Vi vo V. Kv 1 TS +1 Vs FIGURE P3.2
C. Find the filter time constant, to, that will maximize the output RMS SNR. Calculate this maximum SNR.
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