fuzzybabybunny:
How do you "set" this voltage difference? Does the LED just naturally have a ~2V difference across itself when given a current of 20mA?
The voltage drop depends on the material (silicon vs. germanium), doping, temperature...
fuzzybabybunny:
How do you "set" this voltage difference? Does the LED just naturally have a ~2V difference across itself when given a current of 20mA?
The voltage drop depends on the material (silicon vs. germanium), doping, temperature...