| FIGURE 1 |
 |
| One current mirror, a comparator, and a handful of passive components provide both visual and electronic indications of contact closure for as many as 15 pairs of relay contacts. |
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| FIGURE 1 |
|
| One current mirror, a comparator, and a handful of passive components provide both visual and electronic indications of contact closure for as many as 15 pairs of relay contacts. |
back |