| Memorandum for HPA |
| Power supply for Heater and Grids. | ||
|
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| Voltage | 送信時 (ex.) TX (ex.) |
受信時 (理想) RX |
受信時 (現実1) RX ex.1 |
受信時 (現実2) RX ex.2 |
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| Plate |  ON (2000V) |
OFF |
ON |
ON |
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| Screen grid |
ON (300V) |
OFF |
ＯＮ （ＯＦＦが望ましい） |
GND |
|||
| Control grid |
ON (-55V) |
Zero |
Ｃut ＯＦＦ （送信時よりマイナス） |
ON (-55v) |
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| Heater | ON (6.3V) |
ON |
ON |
ON |
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| Drive | ON (10W) |
OFF |
OFF |
OFF |
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| Output | ON (500W) |
OFF |
OFF |
OFF |
 |
 |
 |
 |
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