Antique radios, Old Time Radios
CV221
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| Identical to |
CV221
= E1516
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| Predecessor Tubes |
CV114
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| Filament |
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| Description |
X-band TR switch, -1000V at 0.2mA keep-alive electrode bias. Waveguide terminated factory-assembled external resonator.
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| Information source |
-- Original-techn. papers.
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CV221: Manufacturer's Literature
Emilio Ciardiello
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