- Joined Nov 28, 2011
I've always been facinated with the concept of minimization in electronics, whether it's simplifying things like Boolean expressions or finding new ways to reduce component #'s in integrated circuit designs. I tried to apply these minimization techniques on a relatively component-heavy logic gate (XOR gate) and this is what I came up with (Thumbnail below). All-in-all, it uses four diodes, two resistors, and one PNP transistor. (Which I assume makes this a DTL circuit). This circuit uses a rectifier to separate the A and B inputs when one is zero and the other is one to allow current to pass through the base of the transistor, changing Q to 1. Are there even simpler XOR gate designs out there? And also, are rectifiers typically used in digital logic circuits or are they more exclusively used for rectifiying AC in things like power supplies?
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