A 2:1 ratio inductive voltage divider with less than 0.1 ppm error to 1 MHz

Abstract

A s impl e rati o tr a ns forme r ha ving a 2 :] ra tio of inpul vollage 10 uUlput vo lt a ge c an bc made wil h a ratio e rror less Ih a n 0.1 pp m from 1 kH z 10 a bo ve ] MH z. Applica tion s and sources uf e rror are disc ussed . Experim ent al res ults leadin g to an optimulll tra nsform er des i{! 11 arc ~ i ve n . A bri dge 10 measure the ra ti o e rror to 0 .025 ppm fro m 1 kHz to 1 MHz is al so desc rib ed .