I keep on accidentally saying these tubes are 72V, everytime I say that,
change it to 71V...
On Wednesday, October 29, 2014 12:42:05 PM UTC-5, Joe Zatarski wrote:
>
> I tried it out. It's running off of 200VDC from inside a TV with some
> extra resistance in between. Using 200V - 72V (the rating
nsdag 28 oktober 2014 22:48
> *To:* neoni...@googlegroups.com
> *Subject:* Re: [neonixie-l] Re: neon otis elevator 'touch tubes'
>
> I was not aware of any coating on the tube, and I don't think there's
> any connection to the outside of the tube, though I coul
oktober 2014 22:48
To: neonixie-l@googlegroups.com
Subject: Re: [neonixie-l] Re: neon otis elevator 'touch tubes'
I was not aware of any coating on the tube, and I don't think there's any
connection to the outside of the tube, though I could be wrong. The Otis
docs state th
that coating.
>
> eric
>
> --
> *From:* neoni...@googlegroups.com [mailto:
> neoni...@googlegroups.com ] *On Behalf Of *Joe Zatarski
> *Sent:* dinsdag 28 oktober 2014 20:46
> *To:* neoni...@googlegroups.com
> *Subject:* [neonixie-l] Re: neon otis elevator 'tou
Sent: dinsdag 28 oktober 2014 20:46
To: neonixie-l@googlegroups.com
Subject: [neonixie-l] Re: neon otis elevator 'touch tubes'
Attached is the schematic in PDF form. All lines except one seem to be
common between all the tubes. Based on my guess of 135VDC tube supply, I
think I was r
Attached is the schematic in PDF form. All lines except one seem to be
common between all the tubes. Based on my guess of 135VDC tube supply, I
think I was right. Tube drops about 72V when on, leaving 63V to be dropped
by the total series resistance, 3600 ohms. 63V/3600ohm = 17.5mA. This is
bel
I will draw up a schematic of what I have in the panel now. I think it'll
probably be similar to what the otis docs show: resistor connected in
series with the tube, trigger and cathode tied together, and connections
for B+ and 'B.O.' (B.O. being the reference line for B+, which also happens
to
I think that the best thing you can do is to ask the company who replaced
it if they can help you with any schematics, otherwise you will have to
draw one yourself from what you have left of the elevator panel and we can
take it from there, then you will know what voltages you need and you can
I guess now what I would like to know are some example circuits for power
supplies maybe? I guess I need 135VDC, and it needs to be isolated from the
mains because it'll also have 150VAC on it relative to earth ground.
Easiest to do is get a transformer (if I can find the right voltage output)
