Electronics > Metrology

Resistors for LM399 references

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RoadDog:
I missed a bunch of these responses. Some good info. I ordered some Vishay 10ppm thruhole resistors(20k & 9k) along with the 399's and LT1001's to build the basic datasheet circuit. I'm going to build some burn in boards, watch them for a thousand hours or so while I work on designing my boards and fine tune the outputs when I build them. I'll have to settle with as good as I can get with my HP 34401. Then maybe send them to someone after a while and get better measurements of their output.

Thanks for the info folks. I know there is a ton of info in the lm399 megathread but it gets hard to find what you want sometimes. So many pages spanning years.

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