Re: [neonixie-l] Re: Scope clock artwork so far

Sat, 16 Jan 2016 08:55:52 -0800

I looked in my Philips CRT book dated April of 1968 and it went as far as D13-480. Perhaps someone with a later book may be able to help. Ira. 



On 1/16/2016 12:28 AM, Dan Harboe Burer wrote:

I have here in my stash of tubes, crts etc.,  10 (ten) NOS D13-622GH 
CRTs here in their original carboard box :)


I haven't been able to find much info on these CRTs on the web, though.

I would love to build a monster clock with all 10 at once..not sure I 
can afford 10 of you kits, but looking forward to hearing the price, I 
am.


Dan


-----Oprindelig meddelelse----- From: David Forbes
Sent: Saturday, January 16, 2016 12:01 AM
To: [email protected]
Subject: Re: [neonixie-l] Re: Scope clock artwork so far

The hole for the tube is 3.25". I could make a 5" version if there are
enough tubes out there.

I plan to or adapt a little GPS board to be bolted to the top.

On 1/15/16 2:56 PM, 'Terry S' via neonixie-l wrote:

David, how big is that center opening?

Terry

On Thursday, January 14, 2016 at 11:58:11 PM UTC-6, nixiebunny wrote:


I have been doing a lot of component placement work on the new scope

clock board. Tetris! This is what it looks like. The six square 
controls

with equilateral triangle dots are the oscilloscope knobs, and the

function encoder is at bottom center. The other square pots are 
trimmers

accessible through the front panel.


The HV power supply is at upper left, deflection at upper right, V 
power
lower left, computer at lower right. A big USB-B connector is behind 
the

lower right corner. RTC battery is at bottom.


The thru-hole parts (other than controls) are rear mounted, with all 
SMT
parts on the front. There will be 5/16" standoffs in the six outer 
holes

to mount the board to the front panel.

This is a work in progress.

--
David Forbes, Tucson AZ








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