All diodes in the circuit below are identical and have a saturation current of Is = 6.9x10^-16 A. What is the value of R required for an output voltage of 2.4V (Diode's internal resistance RD=0)?
(1) 1.1MΩ
(2) 139Ω
(3) 184Ω
(4) 44Ω
(5) 348Ω
(6) None of those
+10V
+
Vo