[問題] 何謂On-Off Ratio

[ryeko (Stratovarius)]

應該是很簡單的東西@@"
所以反而很難查.....
請哪位大大能稍微說明一下呢
謝謝!!

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→ needhope:duty cycle?
→ idche:On/Off ratio = Ion(max)/Ioff(min)
→ ryeko:物理意義為何呢.....??