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AF3Sensibly equivalent¶ to:CV2833
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The AF3 is a variable-mu RF pentode. Operation under AGC control would have been in RF or IF amplifier service in superhet receivers.This AF3 from Valvo has a bright external gold metallic paint finish. The Ct8 base was much more popular in continental Europe than in the UK. The colour and the base suggest a 1930s design.The classic envelope is 41 mm in diameter and, excluding the Ct8 base pins, is 103 mm tall.References: Data-sheet. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | tc |  m | h | h | k | g3 | nc | g2 | a | g1 |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm | 
| 4.0 | 0.65 | 250 | 100 | -3 | 8.0 | 2.6 | 1.2M | 1.8 |
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Updated January 05, 2022.
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