12 Jul
2004
12 Jul
'04
12:05 p.m.
Dwight Elvey wrote:
I just got a HP2113E. I've not been able to use it
because
it wants to have a battery connected. There is suppose to
be a battery simulator plug for these. I'm looking for
any schematic or part information for this item?
<http://www.classiccmp.org/pipermail/cctalk/2002-December/012602.html>
in which I wrote:
# Here I sit looking at a little black square 3x3 plug, HP p/n
# 12991-60002 (stamped in white ink on one side of the hood).
# Inside the hood (visible through the hole in the back) there is only a
# 1/4W resistor connected to pins 4 and 6, which matches Glen's
# description. Bands are gray, red, brown, gold. Hmm, 820 ohms?
# Measures as 823 ohms on my cheap digital multimeter.
-Frank McConnell