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| CV1654Sensibly equivalent¶ to: | 
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 |  | The CV1654 is a directly heated triode and the prototypes were the L2 and the PM2DX. The old GPO code is POVT74.Reference: Data-sheet. | 
 |   Pin Connections
|  | 1 | 2 | 3 | 4 | |  a | g1 | f | f | 
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 |   Absolute Maximum Operating Conditions¶
|  | Vh | Ah | Va | gm | μ | | 
 | 2.0 | 0.1 | 150 | 1.9 | 19 | 
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 Updated October 28, 2017. |  |