Each diode cut-in voltage in the circuit in Figure P2.59 is 0.7V. Determine \(I_{D 1}, I_{D 2}, I_{D 3}\), and \(v_{O}\) for

(a) \(v_{I}=0.5 \mathrm{~V}\),

(b) \(v_{I}=1.5 \mathrm{~V}\),

(c) \(v_{I}=3.0 \mathrm{~V}\), and

(d) \(v_{I}=5.0 \mathrm{~V}\).

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R = 4kQ ww Figure P2.59 R = 8 ID2 IDI D vo R = 56 D + ID3 R = 4 D3 1.0 V + 2.0 V - D ++ +12 V Figure P2.60 1 = 100 mA D 1D2 +