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ElenaZhivun (talk | contribs) (Created page with "= NE43500 = == Description == NE43500 is a differential photocurrent amplifier that outputs both photocurrent difference and sum. With the sum output. The reason to have the...") |
ElenaZhivun (talk | contribs) |
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Where <math>\Delta</math> is the difference and <math>\Sigma</math> is the sum of photocurrents.
== Schematics ==
== Circuit boards ==
We have several PCBs of this device. The boards are using tiny components, including surface mount 0204 elements. This makes the boards hard to handle and impossible to modify. We need to redesign the PCBs so that they have more reasonable size.
<gallery>
File:IMG 20161003 140518157.jpg|Newer version|alt=Tiny green board
File:IMG 20161003 140551964.jpg|Older version|alt=Tiny red board
</gallery>
== Problems ==
Zack mentioned that this board doesn't have enough gain and that it exhibited some drifts.
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