What were 3L01I CRT's used for ?

[gregebert]

I bought a dozen of these a few years ago for a future project, and I've always wondered what these Soviet-era CRTs were used for. Too small for an oscilloscope, and very limited use as a text display. Seems unlikely they would be used for images, because they use deflection plates, rather than a yoke, so TV-like scanning is a bit more complex.

Does anyone know ?

[David Forbes]

I have a bunch of 1DP1 and 1EP1 CRTs. They are also rather small, being 23mm and 30mm respectively. They were used as signal monitors in test and communications equipment. 

On Thu, Sep 8, 2022, 1:20 PM gregebert <greg...@hotmail.com> wrote:

I bought a dozen of these a few years ago for a future project, and I've always wondered what these Soviet-era CRTs were used for. Too small for an oscilloscope, and very limited use as a text display. Seems unlikely they would be used for images, because they use deflection plates, rather than a yoke, so TV-like scanning is a bit more complex.

Does anyone know ?

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[Tidak Ada]

There is a smaller one, the NU R2163, that as aan outer Ø of 22 mm and a screen Ø of 18 mm (¾”)

 

eric

 

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