Consider the DTL circuit shown in Figure P17.19. Assume β = 25.
(a) Determine the values of i1, i2, i3, v1 and v0 for
(i) vi = 0.1 V and
(ii)vi = 2.5 V.
(b) Determine the values of vi and v1 at the point
(i) where QO just begins to conduct and
(ii) where QO just goes into saturation.