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- Nov 28, 2010
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Hey guys so I tried using the search for finding out what a TTL is but I don't understand. What is it? I am going to get : Laser Diode Driver Board 20-300mA, TTL Control - eBay (item 160421245909 end time Jan-01-11 12:43:41 PST) and it has a + VE TTL control in/output. What does it do? I am going to power a PHR 803T diode. What should I do?