The CE amplifi er of Fig. P2.58 uses a pnp BJT with F 5 150, VEB(on) 5 0.7 V, and VA 5 50 V. (a) Find IC as well as the small-signal parameters Ri , Ro, and voyvsig. (b) Assuming vsig 5 (5 mV) cos t,...

The CE amplifi er of Fig. P2.58 uses a pnp BJT with F 5 150, VEB(on) 5 0.7 V, and VA 5 50 V. (a) Find IC as well as the small-signal parameters Ri , Ro, and voyvsig. (b) Assuming vsig 5 (5 mV) cos t, fi nd all node voltages in the circuit, and express each one as the sum of its dc and ac component.