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CV4009Sensibly equivalent¶ to:
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The CV4009 is a special quality version of the CV454 and is also known as the 5749 and the 6BA6W. It is a variable μ pentode for use at HF. Most probably as RF amplifiers in radio receivers.The KB/AD identifies this valve as being made to specification K1001 or K1006, the B denotes qualification by a UK authority and the AD identifies the maker as Brimar - Thorn-AEI , Rochester.The thin glass tube envelope is 17 mm in diameter and excluding the B7G base pins, is 45 mm long.Reference: Data-sheet. Type CV4009 was first introduced in 1956. See also 1956 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |  g1 | g3,s | h | h | a | g2 | k |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | gm | 
| 6.3 | 0.3 | 250 | 100 | -1 | 11 | 4.4 |
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Updated November 02, 2024.
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