> On 6 May 2012, at 17:08, Dieter Waechter wrote:
>
>
> Well Bob,
> the problem is, that the pinout is understood wrong in 99.9% for both,
> IN-18 and IN-4.
> All PCB designs for the IN-18 I have seen from other people are WRONG!
> ;-)
> Dieter
>
>
> Dieter, you never saw my IN-18 clock then, because I think I got it right
> and I made that clock years ago.
>
> http://www.clock-it.net/nixie_clocks/in-18_clock.html
>
> Regards, John
>
On Sunday, May 6, 2012 9:19:50 AM UTC-7, Nixcited delighted wrote:
>
>
> On 6 May 2012, at 17:08, Dieter Waechter wrote:
>
> Well Bob,
> the problem is, that the pinout is understood wrong in 99.9% for both,
> IN-18 and IN-4.
> All PCB designs for the IN-18 I have seen from other people are WRONG!
> Example:
> IN-18:
> All tell, me included, that pin 4 is pointing to the front.
> see my page here:
> http://www.tube-tester.com/sites/nixie/data/in18.htm
> I know: it is wrong!
> I do tell that on my page as well to avoid "dumb" questions.
> But what is right?
> Which pin is in front?
> The answer is easy:
> NO pin is in front!
> Right is, that pin 4 must be in one line with pin 11 and pin 1 must be in
> one line with pin 14.
> (same at the IN-4!)
> See the picture here:
>
> http://www.tube-tester.com/sites/nixie/nixie-clocks/IN-18-BD/pic/IN-18-BD-inside.jpg
> Can you see it?
> Pin 4 is not pointing to front – only nearly!
> That's why in all IN-18 clock I have seen the digits (cathodes) stand
> inclinded to the longitudinal axis of the clock.
> Now immediately go to your IN-18 clock and check it! Do the cathodes stand
> even? Then the designer did get it right!
> ;-)
> Dieter
>
>
> Dieter, you never saw my IN-18 clock then, because I think I got it right
> and I made that clock years ago.
>
> http://www.clock-it.net/nixie_clocks/in-18_clock.html
>
> Regards, John
>
Ditto, with regard to the NixiChron. That's a lofty claim Dieter. I'm
surprised you'd make such a statement here.
Regards, Jeff
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