[neonixie-l] Re: Tectrol SP215 VFD power supply data

[5-ht]

Larry,
You might check with CUI (cui.com); they bought Tectrol a few years ago and 
might still have data on Tectrol products.

If the pinout of this converter conforms to the majority of ones that I 
have seen, the two pins on the left would be the input.
As this was intended for VFDs, I would expect that the top two pins on the 
right would be the 30 VDC output and the bottom three would be the 3.7 VAC 
filament output, with a center tap. Often the center tap is either grounded 
or perhaps elevated a few volts DC for cathode bias when used with 
multiplexed displays.

Just my guess!

Mark

On Saturday, April 1, 2023 at 7:43:05 AM UTC-5 Larry wrote:

> Anyone have any information on the Tectrol SP215 VFD power supply? Pin out 
> or any information would be helpful. I have searched but not been able to 
> find any data.
> Thanks
> [image: tectrolSP215top.jpeg]
> [image: tectrolSP215pins.jpeg]
>

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Re: [neonixie-l] Is there a cheaper alternative to the IN-18 at that size?

['Grahame' via neonixie-l]

Hi everyone

As Nick said, Google sometimes puts messages into a "Pending" folder 
requiring  moderator approval. I just approved 3 pending messages 
including the one from you, Yohan. This is a Google thing and we just 
have to live with it.


Moderators

On 31/03/2023 18:52, Nicholas Stock wrote:
For some reason, Google flags some responses to messages for 
moderators to approve before they get posted to the list. Apologies 
for this, but not much we can do as far as I know, except approve them 
when we get notified.


Cheers,

Nick

On Fri, Mar 31, 2023 at 10:50 AM Yohan Park  wrote:

Strange I posted a reply as well but it got deleted...
Any reason?

On Friday, March 31, 2023 at 7:45:17 PM UTC+2 Christian Riise
Wagner wrote:

I agree with Terry. Leave the coating on, unless it's damaged!

fredag den 31. marts 2023 kl. 18.09.14 UTC+2 skrev Mac Doktor:



On Mar 28, 2023, at 9:07 AM, Zachary Laurin
 wrote:

Do you know if it's possible to remove the red coating
from the Z566?


Oh, the humanity. They're so beautiful.

Use Z5660Ms instead. 8D


Terry Bowman, KA4HJH
"The Mac Doctor"

https://www.astarcloseup.com

"If only you could see what I've seen with your eyes."—Roy
Batty, /Blade Runner/

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Re: [neonixie-l] OT: New 'Secret Life Of Components" series from Tim Hunkin

[Adrian Godwin]

I love Tim's work and have been following these recent series avidly. He
also runs an amusement arcade on a pier in Southwold, and has some machines
in a shop in Holborn, London.
His cartoons go back even further, though - I first came across him in a
cartoon series in the Observer magazine called 'The rudiments of wisdom' in
the 80s.

On Sat, Apr 1, 2023 at 6:18 AM gregebert  wrote:

> For those of you who like tinkering with gizmos, there's a 3rd series from
> Tim that's being posted on youtube:
> https://www.youtube.com/watch?v=Za-GyTt729M
>
> For those of you unfamiliar with Tim, he did a series of shows for TV,
> similarly named as *The Secret Life of Machines* about 30 years ago.
> Despite many of those machines being defunct now, the shows are very
> informative and have the right touch of witty British humor.
>
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> 
> .
>

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Re: [neonixie-l] VFD pinout required

[petehand]

It's ok, I looked at the back of the glass and traced it out.
[image: Picture 2 of 8] 

On Thursday, March 30, 2023 at 5:05:11 PM UTC-7 Audrey wrote:

> Accidentally sent before proofreading 
>
> VFD pinouts are easy to reverse engineer, find the cathode pins by 
> checking for ones with continuity (usually the ones at the outer edges), 
> you can find the heater voltage by using a buck converter and raising the 
> voltage to a bit under where it starts to visibly glow, then map out the 
> anodes and grids with 12v or so, usually displays like with that one with 
> lots of characters are muxed at a higher voltage in operation.
>
> On Thu, Mar 30, 2023, 8:02 PM Audrey  wrote:
>
>> VFD pinouts are easy to reverse engineer, find the cathode pins by 
>> checking for ones with continuity (usually the ones at the other edges), 
>> you can find the heater voltage by using a buck converter and raising the 
>> voltage to a bit under where it starts to visibly glow at all,  then map 
>> out the anodes and grids with 12v or so, usually displays like with that 
>> one with lots of characters are muxed at a higher voltage in operation
>>
>> On Thu, Mar 30, 2023, 7:34 PM petehand  wrote:
>>
>>> Does anyone have the pinout for the Noritake Itron DC209-H2 glass? It's 
>>> a 20 character dot matrix VFD. There are plenty of pictures online but no 
>>> trace of a data sheet.
>>>
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>>> 
>>> .
>>>
>>

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Re: [neonixie-l] Is there a cheaper alternative to the IN-18 at that size?

[Yohan Park]

Not cheaper but around the same price: Millclock's ZIN-18
They come with full warranty and are brand new. Unless you really want 
vintage tubes I think they're a better deal than IN-18 tubes.

On Friday, March 31, 2023 at 11:11:48 AM UTC+2 Zachary Laurin wrote:

> Do you know if it's possible to remove the red coating from the Z566?
>
> On Mon, Mar 27, 2023, 9:23 p.m. Nicholas Stock  wrote:
>
>> Hi Zachary, IN-18 equivalents that come to mind are Z566, Z5660, 
>> ZM1040/1042, LC631. With regards to price, they're all about the same these 
>> days, but I have noted that IN-18's have gone up a lot... the Z566 type are 
>> nicer tubes IMHO. I've seen them for about $50 each occasionally, but 
>> that's a used price these days...some NOS ones for about $60 each.
>>
>> If you can find them, National had NL807/821 type nixies that are larger 
>> than IN-14 but smaller then IN-18. Lovely tubes, but a bit on the rare 
>> side. Still priced cheaper than IN18's though, the last time I saw them 
>> listed. 
>>
>> Cheers,
>>
>> Nick
>>
>> On Mon, Mar 27, 2023 at 6:04 PM Zachary  wrote:
>>
>>> Hello,
>>>
>>> I was wondering if there was any Nixie tube (American or Russian) that 
>>> was similar in size (Anything bigger than the IN-14 basically) to the IN-18 
>>> but that can be found for cheaper on Ebay.
>>>
>>> Thanks in advance
>>>
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>>>  
>>> 
>>> .
>>>
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