LDMOS简单失效检测方法

1） 测S-G和D-G极之间的正向电阻，正常为M/kOhm级别；否则低于几kOhm
2） Source-Gate connection is the same as Si PN Junction (+0.7V)
+Lead of MultiMeter connect to Source
- Lead to Gate
Source -Drain connection has about 0.55V barrier;(not sure)
3) 上电顺序，Vds-->Vgs-->RF (not necessary)

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