Chapter 17, Problem 17.11P

(a)

To determine

The value of the reference voltage $V_R$ .

(b)

To determine

The logic zero and the logic one at the output of $v_{O1}$ and $v_{O2}$ .

(c)

To determine

The value of the voltage at the emitter when for both $A$ and $B$ at logic 0 and logic 1.

(d)

To determine

The power dissipated in the circuit when both $A$ and $B$ are at logic 1 and logic 0.