Question: Consider the circuit shown in Figure A.8. (a) Obtain an expression for the mean-square noise voltage appearing across R 3 . (b) If R 1

Consider the circuit shown in Figure A.8.

R2 RL R3 R1

(a) Obtain an expression for the mean-square noise voltage appearing across R3.

(b) If R1 = 2000 ?, R2 = RL = 300 ?, and R3 = 500 ?, find the mean-square noise voltage per hertz.

R2 RL R3 R1

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