Calculate the input impedance for small-signal equivalent circuit. Calculate the input impedance for the small signal equivalent circuit. Circuit Parameters R₁ =6 k, R2 = 13 kQ, r =23 KQ 1 T Rin R1 R2 W a. 22.174 kQ b. 14.306 kQ O c. 25.035 kQ OD. 19.312 KQ to. 9.299 kQ Q₁ Vcc

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