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6AB8Sensibly equivalent¶ to:
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The 6AB8 is a triode, output pentode primarily designed for use in television receivers (VHF 405 line models) with the triode as a frame blocking oscillator and the pentode as a frame output valve. Other applications include the use of the triode as a line blocking oscillator, AF voltage amplifier or in multivibrator circuits and the operation of the pentode as an audio output valve or a synchronising pulse separator.The triode is perched on the tip of the pentode and shares the central cathode. The other plates above the pentode are radiator strips for the grids.The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 59 mm tall.References: Data-sheet & 1040. Type 6AB8 was first introduced in 1950. See also 1950 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | a(t) | g1(t) | k,s | h | h | a | g3 | g2 | g1 |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm |
| 6.3 | 0.3 | 170 | 170 | -6.7 | 15.0 | 2.8 | 150k | 3.2 |
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Absolute Maximum Operating Conditions¶
| Va | Vg | mAa | ra | gm |
| 100 | -2.3 | 4.0 | 12,500k | 1.4 |
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Updated January 28, 2013.
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