5.17 Darlington Connection 50. For the Darlington network of Fig. 5.181: a. Determine the de levels of VB,. VC, VE VCB, and VCE: b. Find the currents la, la, and I c. Calculate Z, and Z = d. Determine the voltage gain A, VJV, and current gain A; Illi 2.4 0.1 F HH +16 V B-50, B-120 VBE,= VBE, = 0.7 V He 10 F 5102 10- FIG. 5.181 Problems 50 through 53. 51. Repeat problem 50 with a load resistor of 1.2 kn. 52. Determine A, V/V, for the network of Fig. 5.181 if the source has an internal resistance of 1.2 k and the applied load is 10 kn. 53. A resistor Re-470 is added to the network of Fig. 5.181 along with a bypass capacitor C-5 F across the emitter resistor. If Bo-4000, Vaz, 1.6 V. and F, for a packaged Darlington amplifier a. Find the de levels of V, V, and VCE b. Determine Z, and Z 40k c. Determine the voltage gain A, VV, if the output voltage V, is taken off the collector terminal via a coupling capacitor of 10 F