Determine from Fig. 17.55 the ratio of LED output current to detector input current for an output
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Determine from Fig. 17.55 the ratio of LED output current to detector input current for an output current of 20 mA. Would you consider the device to be relatively efficient in its purpose?
Fig. 17.55
Transcribed Image Text:
30 25 20 15 10 5 O LED input current IF (mA) 10 20 30 40 50 60 Detector output current le (mA)
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Related Book For
Electronic Devices And Circuit Theory
ISBN: 9781292025636
11th Edition
Authors: Robert Boylestad, Louis Nashelsky
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