[volt-nuts] Traveling Standards

[Randy Scott]

>In this case I would use a more stable resistor.
>A precision wirewound (NEOHM UPW50 or Riedon USR2) of 10k in parallel with a 41K2 15ppm 0.1% Metal film (RC55Y).


Any benefit in switching to a precision current source instead of the resistor?  A LT3092, for example, potentially with a LT1634-1.25 reference on the SET pin (as in one of the example circuits in the LT3092 datahseet).

Randy.