Prob. 1: For the TTL logic gate shown in Fig. 1, the parameters are V CE(sat) = 0.1 V, V BE(on) = 0.7 V, Be= 50, and Br=

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Prob 1 For The Ttl Logic Gate Shown In Fig 1 The Parameters Are V Ce Sat 0 1 V V Be On 0 7 V Be 50 And Br 1 (71.13 KiB) Viewed 63 times

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Prob. 1: For the TTL logic gate shown in Fig. 1, the parameters are V CE(sat) = 0.1 V, V BE(on) = 0.7 V, Be= 50, and Br=0.5. a. Determine the base and collector currents in each transistor for: i) Vx= Vy=5 V. ii) Vx= Vy=0.1 V. b. Determine the fanout for Vx= Vy=5V. c. For Vx= Vy= 5V, determine Ic3 with a fanout of 5. Vcc=3V +5 V CRc 3.9 kn 2.0 kn 2.4 k_2 OVO UX Q QA vy OR QB VR= 2.4 V VO υχο υγο Q3 0.8 kΩ : 2 ΚΩ Fig. 1 Fig. 2 Prob.2: Consider the circuit shown in Fig. 2. Neglecting base currents and assume VBE = 0.7V and Vp=0.3V. Determine: a. iE and V, when Vx= Vy= 3 V. b. ig and Rc for Vx= Vy= 2.4 V such that Vo = 2.4 V. c. The logic truth table of the circuit.