The A series FLIP-CHIP were used in
PDP-8 peripherals and also sold as building block boards for custom
hardware. The provided analog processing functions which could be
used to build analog to digital and digital to analog converters with
signal conditioning.
The A series boards have Amber handles.
Feel free to contact me, David Gesswein djg@pdp8online.com
with any questions, comments on the web site, or if you have related equipment,
documentation, software etc. you are willing to part with. I am
interested in anything PDP-8
related, computers, peripherals used with them, DEC or third party, or
documentation.