8 Nov
2024
8 Nov
'24
8:04 a.m.
On Fri, Nov 8, 2024, 7:31 AM TerraHertz via cctalk <cctalk(a)classiccmp.org
wrote:
Here's the manual for the 1640B HP-IB option
board:
http://everist.org/archives/scans/HP_1640B_OPT_001/
And as a zip file:
http://everist.org/archives/scans/HP_1640B_OPT_001/HP_1640B_OPT_001.zip
(4.4MB)
The parts list shows an HP 1AA6-6004 HPIB PHI chip. If anyone is curious
about that chip, Ken Shirriff has a detailed post about it here:
https://www.righto.com/2023/12/HP-silicon-on-sapphire-phi-chip.html