This LM139, 239, or 339 comparator configuration appears elsewhere in this site and this section. The supply voltage may typically be between 5 and 12 V and the active cycle of the output signal depends on the relationship between R1 and R2.
This LM139, 239, or 339 comparator configuration appears elsewhere in this site and this section. The supply voltage may typically be between 5 and 12 V and the active cycle of the output signal depends on the relationship between R1 and R2.
