Reply to "Weak DCS signals, Failed TIU Output Drivers, and Design Solutions devloped under collaboration between AGHR and MTH"

Barry, you young kids don't know first hand about the early days when semiconductors first came out.  Failure to use a heat sink was a sure way to kill a component.  Back in the 50's I ran RC boats, and often used diodes and other semiconductors to make equipment do what I wanted it to do.