Question: Using the information provided in Fig. 1.52 , determine the forward voltage across the diode if the relative luminous intensity is l.5. Fig. 1.52 Green

Using the information provided in Fig. 1.52 , determine the forward voltage across the diode if the relative luminous intensity is l.5.

Fig. 1.52

Green T= 25C 20 Yellow GAASP Red 1- 25C High efficiency Red

Green T= 25C 20 Yellow GAASP Red 1- 25C High efficiency Red 15 0.5 10 300 S50 600 650 700 750 Wavelength-nm (d) 05 10 1.5 2.0 2.5 3.0 Vr - Forward voltage - V (e) 1.6 3.0 T = 25 C- 1.5 1.4 20 10 0 1.3 30 2.0 1.2 40 1.1 50 1.0 60 1.0 0.9 70 0.8 0.7 S0 t0.2 0.6 10 15 20 10 20 30 40 50 60 90 20 40 60 80 100 I- Forward current - mA ocak Peak current - mA (1) (e) (h) Forward current - mA

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