For the circuit of Problem 5 15, calculate bias currents in Q 23 ,Q 20 , Q 19 , Q 18 , and Q 14 for V o 10 V with R L 1 k Icirc copy Use I S 10 14 A for all devices Data from Prob 5 15 For the output stage of Fig 5 20a, assume that V CC 15 V, Icirc sup2 F (pnp) 50, Icirc sup2 F (npn) 200, and for a...

V o 10 V R L 1 K I c20 101 10 mA I C1 ...

For the circuit of Problem 5.15, calculate bias currents in Q 23 ,Q 20 , Q 19

Question:

For the circuit of Problem 5.15, calculate bias currents in Q₂₃,Q₂₀, Q₁₉, Q₁₈, and Q₁₄for V_o= ˆ’10 V with R_L= 1 kÎ©. Use I_S= 10^ˆ’14A for all devices.

Data from Prob. 5.15:

For the output stage of Fig. 5.20a, assume that V_CC = 15 V, Î²_F (pnp) = 50, Î²_F (npn) = 200, and for all devices V_BE(on) = 0.7 V, V_CE(sat) = 0.2 V, I_S = 10^ˆ’14 A. Assume that the magnitude of the collector current in Q_13A is 0.2 mA.

Fig. 5.20 a:

+V cc |0.17 mA Q138 Q134 BIAS 0.22 mA Q14 Q19 0.68 mA| Q18 7, V2 Q20 V1 Q23 Q17 +o -V cc (a)