Riding the Rails
Let’s just acknowledge up front that practically nothing is as unexciting for digital designers as power supply design.
All the way back to when we were wire-wrapping our TTL parts, there was absolutely no inspiration in the part of the project where we put that “+5V” on the board. Who picked 5V for those things anyway? Didn’t they know what we had available? 9V batteries – nope. 1.5V batteries – that could get us to either 4.5V or 6V – close but nope. 120V AC (in the US) – super nope! Maybe … Read More → "Riding the Rails"