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asm: fixed npn v pnp explanation still need diagrams

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Medium Fries 2018-10-18 14:14:03 -07:00
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cst337/lec/lec6.md
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@ -13,12 +13,15 @@ Both types however, do share some properties here by referred to as the followin
### NPN
When the base/gate is "on" we mean current can flow from the emitter to the collector.
![](../img/lec6npn.png)
Current will __not__ flow across collector through base into emitter if do nothing.
When we apply a current to the base then current flows through the transistor.
### PNP
When the base/gate is "on" we mean current can _not_ flow from the emitter to the collector.
> When we say that a gate is "on" we're really saying that it's open.
![](../img/lec6pnp.png)
Current will flow across emitter through base into collector if we don't do anything.
When we apply a current to the base then current flow stops.