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T7100: Difference between revisions
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The inside walls of these channels are coated with resistive material, with a voltage of 700-1050 V applied | The inside walls of these channels are coated with resistive material, with a voltage of 700-1050 V applied | ||
between back and front of the plate. Electrons entering a channel hit the wall where they initiate a cascade | between back and front of the plate. Electrons entering a channel hit the wall where they initiate a cascade | ||
of secondary electron emission like in a photomultiplier. | of secondary electron emission like in a [https://en.wikipedia.org/wiki/Photomultiplier photomultiplier]. | ||
A final 10 kV potential accelerates the beam across a 3 mm gap toward the phosphor coating. | A final 10 kV potential accelerates the beam across a 3 mm gap toward the phosphor coating. | ||
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<gallery> | <gallery> | ||
File:Tek7104-200ps-singleshot.jpg | 7104 recording a single shot pulse (from [[067-0587-02]]) at 200 ps/Div. Camera: Nikon D7000, 50 mm f/1.4, ISO 3200, 1/2 s. CRT filter not removed. | File:Tek7104-200ps-singleshot.jpg | 7104 recording a single shot pulse (from [[067-0587-02]]) at 200 ps/Div. Camera: Nikon D7000, 50 mm f/1.4, ISO 3200, 1/2 s. CRT filter not removed. | ||
File:Tek7104-200ps-singleshot-sin1-1g.jpg | 7104 recording 1 GHz sine, single shot at | File:Tek7104-200ps-singleshot-sin1-1g.jpg | 7104 recording 1 GHz sine, single shot at 500 ps/Div. Camera: Nikon D7000, 50 mm f/1.4, ISO 3200, 1/2 s. CRT filter not removed. CRT amplification loss is evident around the center line. | ||
</gallery> | </gallery> | ||
[[Category:Cathode ray tubes]] | [[Category:Cathode ray tubes]] | ||