Bluefan
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- Aug 15, 2009
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A LED makes a nice test load, it has practiaclly the same diode behaviour, just using a led should work just fine.
A few remarks when using an LED: They usually go up to 20mA max, which is usually too low for LD, and you wouldn't want to blow up your LED in testing. Also, LED's usually have a higher voltage drop than the average LD, they're usually more like a blu-ray diode in voltage drop. Take care that your driver can give a high enough voltage to reach the set current.
A few remarks when using an LED: They usually go up to 20mA max, which is usually too low for LD, and you wouldn't want to blow up your LED in testing. Also, LED's usually have a higher voltage drop than the average LD, they're usually more like a blu-ray diode in voltage drop. Take care that your driver can give a high enough voltage to reach the set current.