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Old 02-09-2008, 03:55 PM
Clondike Clad's Avatar
Clondike Clad Clondike Clad is offline
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Join Date: Mar 2005
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Default detector

I was looking at the LRL and now i see the Photo transistor is being used as a pickup on the scope but what is the detector part is picking up.
also why not up the gain on the scope to see the change in voltage.
Why the photo transistor?
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