Are the "string" wires different from regular electroluminscent panels?? Those
run at about 120 VAC 400 Hz which is pretty easy to create without much EMI.


On 11/30/2024 9:15 PM, Peter E via groups.io wrote:
> Hi Dan,
>
> I just looked up some info on electroluminescent wire. It needs to be driven
> with high frequency AC at a fairly high voltage. Not something you would want
> anywhere near a sensitive receiver I would think.
>
> Cheers,
> Peter
> --------------------------------------------------------------------------------
> *From:* [email protected] <[email protected]> on behalf of Dan Rae via
> groups.io <danrae@...>
> *Sent:* Sunday, 1 December 2024 9:37 AM
> *To:* [email protected] <[email protected]>
> *Subject:* Re: [RacalRadio] Racal RA-6790GM/R2174 New to Me
> On 11/30/2024 1:27 PM, Peter E via groups.io wrote:
>> Hi Dan,
>> Absolutely correct - I actually meant to say NiMh (must be getting old).
> And of course I did mean /less/ prone to leakage :^)? Even older.
>> I like your led lighting solution. I also wonder if it is possible to use
>> that electroluminescent "string" that is available in various places? That
>> would give really even illumination
>
> Two things there, first there is not a lot of height between the existing
> board and the front panel, so not a lot of room for those strips.? Secondly
> you need the small surface mount LEDs that shine sideways to light the LCDs.?
> The original LED lighting on the GM needed a re-worked acrylic piece to
> accommodate the only LEDs that were available at the time.
>
> I've done a few like that, the only advice I'd give would be to buy some extra
> LEDs, since they have a habit of jumping off the board never to be seen again.
>
> 73 - Dan
>
>