Re: EE]: a curiosity - RCA -> Miniature Light Globe pendant?

Hi JUstin:

RCA connectors were used for the RF output on some low powered transmitters.  So this might have been a low cost tuning 
tool for peaking the RF output.

-- 
Have Fun,

Brooke Clarke, N6GCE
https://www.PRC68.com
axioms:
1. The extent to which you can fix or improve something will be limited by how well you understand how it works.
2. Everybody, with no exceptions, holds false beliefs.

-------- Original Message --------
> Date: Mon, 26 Jan 2026 11:01:00 +0800
> From: Justin Richards<[email protected]>
> To:[email protected]
> Subject: [EE]: a curiosity - RCA -> Miniature Light Globe pendant?
> Message-ID:
> 	<CAKMvr86ksuGpv_XOxo5wKnrp0Jh-GwqZrLCbvAOJU9D2qvz26Q@mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> I have had in my collection a small 10.5mm (0.4") D x 51.5mm (2") L
> cylindical device with an RCA connector at one end and at the other a small
> slot behind lies a small incadesant globe. Image is hopefully attached.
>
> Sadly, the globe is blown and has no specs on it or the cyclinder it is
> housed in.
>
> Wiki suggests the lowest voltage incadestant globe is about 1.5v.  As such,
> I guess it is not used to indicate normal RCA socket signal levels
>
> I submitted image for a gargoyle search but it suggested a dentist tool or
> diesel injector.
>
> Any guesses?
>
> Cheers justin

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