4CX250F: Difference between revisions
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{{Vacuum Tube | {{Vacuum Tube | ||
|Type= | |Type=Tetrode | ||
|Number=4CX250F (7204) | |Number=4CX250F (7204) | ||
|EuroNumber= | |EuroNumber= | ||
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Eimac 4cx250f 1.jpg|Eimac 4CX250F | Eimac 4cx250f 1.jpg|Eimac 4CX250F | ||
Eimac 4cx250f 2.jpg|Eimac 4CX250F | Eimac 4cx250f 2.jpg|Eimac 4CX250F | ||
Eimac 7203.jpg|Eimac 7203 | Eimac 7203.jpg |Eimac 7203 | ||
</gallery> | </gallery> | ||
[[Category:Tetrodes]] | [[Category:Tetrodes]] | ||
Revision as of 15:36, 22 September 2023
The 4CX250F (7204) (P/N 154-0300-00) is a beam power tube vacuum tube designed to operate up to 500 MHz with plate voltage up to 2000 V.
It was originally designed as an RF power amplifier tube for transmitters and requires forced air cooling.
The 4CX250F is the same as the 4CX250B (7203), but with a 26.5 V filament instead of a 6 V filament.
Data sheets
- RCA 4CX250F Datasheet (PDF) / RCA 4CX250B Datasheet (PDF)
- 4CX250F / 4CX250B @ radiomuseum.org
Used in
The 4CX250F is used in the sweep circuit of the 519.
Pictures
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Eimac 4CX250F
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Eimac 4CX250F
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Eimac 7203
