1. Use ORing diodes - codemsys.com
2011-6-29 · 1. Use ORing diodes. These are diodes connected to form a logic OR function. This is a simple OR gate. If either the top leg, or the bottom leg, or both, are high, the output will be high. If both inputs are low, the output is low. In the analog world, the higher of the 2 input voltages will be passed to the output, and the lower one will be ...
