Early '80s Motorola Semiconductor Reference - anyone?

[Chuck Guzis]

On 8/8/21 12:30 AM, Tony Duell via cctalk wrote:

> Note that many of these units contain 'selected' transistors. That's
> one reason for the house numbers. It may well be a 2Nxxxx but one that
> has been tested for some parameter. Without knowing what it was tested
> for you are going to have 'fun'.

That's a good point--and one I thought about mentioning.  I recall
chatting with some of the people who worked with Bob and their take
seemed to be that early SMPSU design was half engineering and half voodoo.

--Chuck