ECF80
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Triode Pentode
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VHF Frequency Changer
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6.3 V, 0.43 A Heater
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Base B9A
Typical Operation
| Triode | Pentode | ||
| Va | 120 | 170 | V |
| Vg2 | ... | 145 | V |
| V(het)pk | ... | 5 | V |
| Ia | 6 | 6.8 | mA |
| Ig2 | ... | 2 | mA |
| Rg1 | ... | 33 | kΩ |
| gc | ... | 2 | mA/V |
| µ | 20 | - |
Triode Pentode
VHF Frequency Changer
6.3 V, 0.43 A Heater
Base B9A
| Triode | Pentode | ||
| Va | 120 | 170 | V |
| Vg2 | ... | 145 | V |
| V(het)pk | ... | 5 | V |
| Ia | 6 | 6.8 | mA |
| Ig2 | ... | 2 | mA |
| Rg1 | ... | 33 | kΩ |
| gc | ... | 2 | mA/V |
| µ | 20 | - |