A low-power TTL logic gate with an active pnp pull-up device is shown in Figure. The transistor parameters are βF = 100 and βR = 0.2 (for each input emitter). Assume a fanout of 5.
(a) For vX = vY = vZ = 0.1 V, determine iB1, iB2, iB3, iC2, and iC3.
(b) Repeat part (a) for vX = vY = vZ = 2 V.