Assume each diode in the circuit shown in Figure P1.50 has a cut-in voltage of Vγ = 0.65 V...

Assume each diode in the circuit shown in Figure P1.50 has a cut-in voltage of Vγ = 0.65 V. (a) The input voltage is V1 = 5 V. Determine the value of R1 required such that ID1 is one-half the value of ID2. What are the values of ID1 and ID2? (b) If V1 = 8 V and R1=2 kΩ, determine ID1 and ID2.