4.12 For the circuit in Fig. 4.10, find ID and VD for the case VDD = 5V and R = 10 kΩ. Assume that the diode has a voltage of 0.7 V at 1-mA current. Use (a) iteration and (b) the constant-voltage-drop model with VD = 0.7 V.
(a) 0.43 mA, 0.68 V; (b) 0.43 mA, 0.7 V
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