Noise Optimum of FET Front-End with Constant A0A.
(a) Show that after minimizing Eq. (6.60), the noise fraction due to the FET is 𝜓.
Eq. (6.60)
(b) Given a shunt-feedback TIA with a single-pole voltage amplifier and values for A0A, CD, and CI, find the input pole fIand amplifier pole fAnecessary to achieve a desired and Q.
(c) For what range of are the solutions for fIand fAvalid? Assume that the feedback resistor must remain below RF(max).
(d) Derive Eq. (6.63).
Eq. (6.63)
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