(a) For the CC-CE pair of Fig. P4.29 fi nd the ratio Is2yIs1 between the saturation currents of the two BJTs that will bias the output node at VO 5 5 V (assume negligible base currents). (b) If npn 5...

(a) For the CC-CE pair of Fig. P4.29 fi nd the ratio Is2yIs1 between the saturation currents of the two BJTs that will bias the output node at VO 5 5 V (assume negligible base currents). (b) If npn 5 4pnp 5 200 and VAn 5 2VAp 5 80 V, fi nd Ri , Ro, and a 5 voyvi .