[neonixie-l] This little beauty arrived today!

[Nick Andrews]

https://www.ebay.com/itm/234989555348

I don't have a probe at the office, but the dekatrons come on and spin
around.  It's mesmerizing!  They stop when you hit reset, so that's good.
Looks like it has a built-in HV supply up to 1200V.  Also has a Jones 2x3
connector on back for something or other.  Pretty sweet to get 5 US-made
dekatrons that appear to work.

Don't suppose anyone might have a manual for this?

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[neonixie-l] Re: This little beauty arrived today!

[Dekatron42]

Are you sure they are US made Dekatrons, I have a few of this model and 
they have all been equipped with Rodan Dekatrons made in Japan.

The most common failure in this counter is the high voltage electrolytics 
being poor, high ESR or dried out.

No manual unfortunately but it is a very simple design.

/Martin

On Thursday, 4 May 2023 at 23:45:37 UTC+2 Nick Andrews wrote:

> https://www.ebay.com/itm/234989555348
>
> I don't have a probe at the office, but the dekatrons come on and spin 
> around.  It's mesmerizing!  They stop when you hit reset, so that's good.  
> Looks like it has a built-in HV supply up to 1200V.  Also has a Jones 2x3 
> connector on back for something or other.  Pretty sweet to get 5 US-made 
> dekatrons that appear to work.
>
> Don't suppose anyone might have a manual for this?
>

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Re: [neonixie-l] Re: This little beauty arrived today!

[Nick Andrews]

Okay not sure about US made but I guess I meant to say not Soviet, and
theoretically then more reliable.  I'll open it up this weekend and look.
Need to try and figure out the Jones connector, if it's for an external
timer or what.

On Thu, May 4, 2023 at 5:32 PM Dekatron42  wrote:

> Are you sure they are US made Dekatrons, I have a few of this model and
> they have all been equipped with Rodan Dekatrons made in Japan.
>
> The most common failure in this counter is the high voltage electrolytics
> being poor, high ESR or dried out.
>
> No manual unfortunately but it is a very simple design.
>
> /Martin
>
> On Thursday, 4 May 2023 at 23:45:37 UTC+2 Nick Andrews wrote:
>
>> https://www.ebay.com/itm/234989555348
>>
>> I don't have a probe at the office, but the dekatrons come on and spin
>> around.  It's mesmerizing!  They stop when you hit reset, so that's good.
>> Looks like it has a built-in HV supply up to 1200V.  Also has a Jones 2x3
>> connector on back for something or other.  Pretty sweet to get 5 US-made
>> dekatrons that appear to work.
>>
>> Don't suppose anyone might have a manual for this?
>>
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> 
> .
>

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Re: [neonixie-l] Re: This little beauty arrived today!

[Audrey]

Gorgeous machine, love Rodan tubes.

On Thu, May 4, 2023, 6:45 PM Nick Andrews  wrote:

> Okay not sure about US made but I guess I meant to say not Soviet, and
> theoretically then more reliable.  I'll open it up this weekend and look.
> Need to try and figure out the Jones connector, if it's for an external
> timer or what.
>
> On Thu, May 4, 2023 at 5:32 PM Dekatron42 
> wrote:
>
>> Are you sure they are US made Dekatrons, I have a few of this model and
>> they have all been equipped with Rodan Dekatrons made in Japan.
>>
>> The most common failure in this counter is the high voltage electrolytics
>> being poor, high ESR or dried out.
>>
>> No manual unfortunately but it is a very simple design.
>>
>> /Martin
>>
>> On Thursday, 4 May 2023 at 23:45:37 UTC+2 Nick Andrews wrote:
>>
>>> https://www.ebay.com/itm/234989555348
>>>
>>> I don't have a probe at the office, but the dekatrons come on and spin
>>> around.  It's mesmerizing!  They stop when you hit reset, so that's good.
>>> Looks like it has a built-in HV supply up to 1200V.  Also has a Jones 2x3
>>> connector on back for something or other.  Pretty sweet to get 5 US-made
>>> dekatrons that appear to work.
>>>
>>> Don't suppose anyone might have a manual for this?
>>>
>> --
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>> "neonixie-l" group.
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>> 
>> .
>>
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> .
>

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[neonixie-l] Does anyone have an accurate KiCAD footprint for the B4998 tube?

[Zachary]

B4998 / NL-4998

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