Vacuum tube oscilloscope

It is an analog oscilloscope. What's interesting about it is the fact that it works with Vacuum tubes instead of semiconductors.

I thought it would be fun to post a few pictures and information about this oscilloscope on this page. Here is the schematic: schematic.jpg (300k)

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Détails

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It is a oscilloscope of the RCA brand, model 54-45. It was a DIY kit, used in an electronic class given by RCA Institutes, Inc.

- From the manual:

Compact, lightweight design. Fits on any bench, goes anywhere.
Flat-face CRT gives full utilization of face area.
Intensity and focus controls plus astigmatism adjustment.
4-range sweep generator covers 10 cycles to 100,000 cycles.
1500 volt high-voltage supply for sharp, bright trace. No blooming.
Full retrace blanking and fully automatic sync.
Removable green filter easily snaps into the front of the plastic bezel.
Permits external use of the power supply, with 400 VDC at 20ma and 6.3 VAC at 300ma, available at rear pin jacks.