Electronic Components Chapter 10 133 A R 1 R 3 + D V G B R R 2 x C R C + n R C – out R r R s R1 C2 R2 R3 L3 R4 S1 S3 M V in S2 S4 I + K = 1 V IN I + ¥ Z 1 Z 2 I S Z Z P 3 Z S A/B + B/A –