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I think the challenge with some of these divide-by solutions are that one of the signals is only a 50mV pk-pk signal. I could amplify it...but, then I have the extra cost of amplifying it....just so I could use a flip-flop....when in that case maybe I just use a high-speed comparator. Or maybe...
I thought about using a differential comparator like an AD8561 or something like that to square up the signal, run it into an AND gate, and then feed that into an R/C circuit to mean up the DC voltage like you are talking....the challenge there is comparators that can run at 10mhz seem to be...
I have been fiddling around with some various phase measurement circuits, and I am trying to figure out one I can build cheaply, with minimal components, and get a good result. Ideally, I would like something I can run from a 5V single supply. I have two 10mhz signals...one is a nice...
Thanks for the replies. I liked that transimpedance amp document.....I hadn't seen that one. It was a good read.
SunnySkyGuy.......all your questions bring me to the "back story" on the circuit. Basically, it is a piece out of a laser diode driver circuit. The PD in this case is the...
I am mostly a digital guy....but sometimes I run into analog problems I can't solve easily....so here is one bugging me.
I have this little circuit with takes photodiode input to drive a dummy load. It works, but not how I expected...and I can't figure out why. When I have constant input at...
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