8 Aug
2021
8 Aug
'21
8 a.m.
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