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CV358Sensibly equivalent¶ to:See also:
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The CV358 is high impedance screened pentode designed for intermediate frequency amplifier use the prototype was the EF37. The high anode AC resistance suggests the use of high Q tuned circuits.The EF37 and the low hum version EF37A were much used for top quality audio pre-amplifier applications.
The reverse is plain zinc paint.The wide glass tube envelope is 29 mm in diameter and, excluding the IO base pins, is 86 mm tall.References: Data-sheet & 1040. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |  m | h | a | g2 | g3 | nc | h | k |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm | 
| 6.3 | 0.2 | 250 | 100 | -2 | 3 | 0.8 | 2.5M | 1.8 |
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Updated March 03, 2022.
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