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ECL80Sensibly equivalent¶ to:See also:
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The ECL80 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 multi-vibrator circuits and the operation of the pentode as an audio output valve or a synchronising pulse separator.The lower electrode structure is the pentode, the triode is the small structure at the top of the valve. Also visible are the two small grid cooling fins. The heater at 6.3 Volts and 300 mA makes this valve suitable for equipment with mains transformers and heater chains across the domestic mains.The Cossor ratings for this valve are somewhat different to the Mullard ECL80.The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 59 mm tall.References: Data-sheet, Data & 1040. Type ECL80 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 19, 2023.
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