On Wednesday, August 30, 2017 at 1:16:19 AM UTC+1, Edward Van Belkom wrote:
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> Well it took 7.5 hours but I got the kit assembled. I spent some time
> cleaning the flux off after soldering 3-6 components and seemed to work
> well. When I was all done I spent another half an hour cleaning the b
Thanks Roddy
>
I can't wait to see the tubes also :)
It was nice for John to let me use his shop to assemble it. A nice solder
station is hard to beat. The cheap lighted magnifying visor was a great
help and it would of been hard to do without it.
I will finish soldering all the wire leads t
Hi, I've came across a seller with four LL-661 NOS tubes. These are special
sign tubes in same style and envelope as LC-631. They aren't really useful,
as they seem to be able to show only +, - and ~, but they are rare - in
fact, I can't find any other mention of their existance in the internet.
I have an oscillation circuit that I would like to know the name of. I'm
told this is a "classic" op amp design but I can't find it in the Forest
Mims books or anywhere I've looked online. Can anyone identify it?
Thanks,
Steve
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Interesting. Thank you. As drawin, simulation shows ~844Hz. witch is
close to the built circuits. This is in several test boxes I'm working on
and I decided to change out for an LTC6902 square wave IC with a level
shifting amp. for my application, the square wave or a LPF'd square don't
work a
> Interesting. Thank you. As drawin, simulation shows ~844Hz. witch is close
> to the built circuits. This is in several test boxes I'm working on and I
> decided to change out for an LTC6902 square wave IC with a level shifting
> amp. for my application, the square wave or a LPF'd square d
As I said I'm not interested in used ones.
Am Montag, 28. August 2017 09:54:53 UTC+2 schrieb Jeff Walton:
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>
> http://www.ebay.com/itm/6-pcs-ULTRARARE-FINE-GRID-NIXIE-TUBES-IN-8-2-as-IN-14-Soviet-Neon-DIGITS-/112064302921
>
>
>
> These are used but I have purchased these tubes from this dealer