Burroughs DC105 Nixie Tube Counting Module

[Shaun Merrigan]

Uniservo (on Youtube) is looking for information and data on the Burroughs DC105 Nixie Tube Counting Module. Perhaps someone on the list can help him out?  In any case, he has posted a short video about the modules here which is interesting to watch:

https://youtu.be/qJkhvCi4qDk

Shaun M

Sent from my iPad6

No Regret

[David Forbes]

I'm visiting my friend Tom who has one of these units. I'll ask him.

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[Dekatron42]

A general circuit for these (but with the Ericsson VS10G) can be found on page 194 in "Electronic counting circuits" by Dance. There are small variations between the whole series of Burroughs DC-modules that was mainly made due to cost savings and which affected the counting speed - cheaper tubes and simpler design which led to slower counting speeds.

Using the circuit diagram in the Dance book makes it easy to find the pin-out of the Burroughs DC-modules.

/Martin

[Richard Katezansky]

I have a DC-106 that I was able to get up and running 5-6 years ago using some information that I scraped from the web at the time.  Doing a search for some of that information turned up this which I never saw before but interestingly it seems to have a schematic near the bottom of the page.

http://www.rfcafe.com/references/electronics-world/readouts-counter-tubes-electronics-world-october-1959.htm

I'll post the data I did find in the past to the files section.

BTW one of the annoying issues was finding a suitable edge connector to mate to the module.  The DC-106 edge is a non standard .093 thick.

Richard

[Shaun Merrigan]

Thank you to everyone who posted information and/links. 

Shaun M

Sent from my iPad6

No Regret

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[Bill Notfaded]

This interested me enough that I researched it as well... Pretty cool actually how it worked and it sure didn't look cheap even by standards back then!