[volt-nuts] Neon bulbs for HP 3420B or 419A chopper

Randy Evans randyevans2688 at gmail.com
Sat Jan 6 12:34:26 EST 2018


Is there a relaible source for the GT-NE6H1925T neons?  Mouser has them for
special order and I suspect they want a high minimum quantity.  A source in
China lists them but I'm not sure I trust a Chinese source.

On Sat, Jan 6, 2018 at 8:19 AM, David C. Partridge <
david.partridge at perdrix.co.uk> wrote:

> An update the A2B neons didn't work, but:
>
> George Kerber sent me a few GT-NE6H1925T neons.  I pulled two out the
> packet and installed them in the chopper, and wonder of wonders the correct
> waveform appeared at the test point.
>
> This is a great step forward.   The earlier neons I tried had way too low
> a firing voltage so both fired.  These fired at about 95-100V with a
> sustain at about 68V and do alternate.
>
> Dave
>
> -----Original Message-----
> From: volt-nuts [mailto:volt-nuts-bounces at febo.com] On Behalf Of David C.
> Partridge
> Sent: 18 November 2017 14:08
> To: 'Discussion of precise voltage measurement'
> Subject: Re: [volt-nuts] Neon bulbs for HP 3420B or 419A chopper
>
> I'm in the process of getting some A2B neons from Mouser.
>
> Dave
>
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