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The transistor in the circuit below has ?-100 and Vci(sat) OV. You may use the constant voltage model with VE 0.7V if the base emitter junction is forward biased. A variable DC source is attached to input VIN. Find the operating mode (cutoff, active, or saturation), the collector node voltage VC, and the collector current IC for each of the following cases: (a) VIN 0V (b) VIN = 1.2V (c) VIN 6.0v (d) VIN 12.0V 1 K IC VC 10K IB VIN V Cnd

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Answer #1

ven Nce (sat ov 12-v To. NC. By applying Kvu in loop とe-12-1x18 X-7x10 lies in active regon 9y apply ilop0 seget 2Y. 0.5 Tc.es hy for Soturatton 12.V OK 6v IK LB 20 ら3 12V Apply kvL in oop- 1K 12-0-1 3B Floo 113x 16 AmRs gs applying k in lopuosge NC

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