PCF87
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Frame Grid Triode Pentode
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VHF Variable-mu F.C.
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7.4 V, 0.3 A Heater
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Base B9A
Typical Operation
| Triode | Pentode | ||
| Va | 60 | 160 | V |
| Vg2 | ... | 150 | V |
| Ia | 7 | 7.3 | mA |
| Ig2 | ... | 1.8 | mA |
| Rg1 | 47 | 2200 | kΩ |
| Rg2 | ... | 27 | kΩ |
| Ra | ... | 5.6 | kΩ |
| gc | ... | 4.8 | mA/V |
| gm | 5.5 | ... | mA/V |
| µ | 20 | ... |