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electronics and communication engineering exam question papers
1. For the network shown, determine z1 , z0 and Av
(A): zi = 1.067 Ω; z0 = 3 kΩ; Av = - 280.37
(B): zi = 1.067 Ω; z0 = 3 kΩ; Av = 280
(C): zi = 937 Ω; z0 = 3 Ω; Av = 281
(D): zi = 937 Ω; z0 = 33 kΩ; Av = - 280.37
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By: guest on 02 Jun 2017 12.56 am
= 24.04 μA IE = (1 + β)IB = 2.428 mA; = 10.7 Ω (i) zi = RB||Bre = = 0.937 K = 1.067 K (ii) Z0 = RC = 3 kΩ (iii) = -280.37 ∴ Zi = 1.067 KΩ; Z0 = 3 KΩ; Av = -280.37 .
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