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单词 saturation current
释义 saturation current
[´sach·ǝ`rā·shǝn ¦kǝ·rǝnt]
ELECTRONICS
1. In general, the maximum current which can be obtained under certain conditions.
2. In a vacuum tube, the space-charge-limited current, such that further increase in filament temperature produces no specific increase in anode current.
3. In a vacuum tube, the temperature-limited current, such that a further increase in anode-cathode potential difference produces only a relatively small increase in current.
4. In a gaseous-discharge device, the maximum current which can be obtained for a given mode of discharge.
5. In a semiconductor, the maximum current which just precedes a change in conduction mode.
NUCLEONICS
The ionization current in a gas tube when the applied potential is large enough to collect all ions produced by ionizing radiation.
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