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AD8015 problem

Question asked by gegege on Feb 24, 2016
Latest reply on Feb 25, 2016 by wms.



When using the AD8015 connected AC coupled to an APD - like Fig. 17 at the data sheet.

I  illuminate it with a laser pulse of 50ns pulse width. I am getting an output of only ~10ns width( on 50ohm scope input).

The AC input cap is 0.1uF, The AC output caps are also 0.1uF.

The chip is biased with +/-5V.


Please advise.