ECF805
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Triode Frame Grid Pentode
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VHF Variable-mu
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Frequency Changer
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6.3 V, 0.35 A Heater
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Base B9A
Typical Operation
| Triode | Pentode | ||
| Va | 77 | 155 | V |
| Vg2 | ... | 135 | V |
| Ia | 7.8 | 7.8 | mA |
| Ig2 | ... | 2.4 | mA |
| Rg1 | 47 | 2200 | kΩ |
| Rg2 | ... | 27 | kΩ |
| Ra | ... | 5.6 | kΩ |
| gc | ... | 4.7 | mA/V |
| gm | 5.5 | ... | mA/V |
| µ | 17 | ... |