> 1) Does anyone have manufacturer model numbers for the trim potsfor the
> Bi-N-Tic? I'm about to order parts, I want to make sure that I getsomething with the right form factor, and I don't have anything handy
to compare.
For the 10K (span) you need a multi-turn. I used Mouser part number
72-T93YA-10K
For the 100K (zero) you can use single turn (Mouser 594-63S104) or
multi-turn (Mouser 72-T93YA-100K).
> 2) If someone will tell me exactly what kind of tempco I need fromPrecision Resistors . . .
PT-146, value 1K, 3500ppm
Mr. Laurie Bidulph (http://www.elby-designs.com/) sells them for $6
Aus.
Hope this helps,
Jeff