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Required supply voltage for common source.

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anhnha

Member
Hi, please help me with this section from my text book about power amplifier.
I am confused about the highlighted part. With common source, how can you know about the required voltage for power supply?
For example, in the example, they said that the configurations shown in Fig. 12.1 (a), (b) require a supply voltage greater than Vpp. And in case the load is realised as an conductor, I really don't understand what they say. Please help me explain it more detail.

 

MrAl

Well-Known Member
Most Helpful Member
Hi,

I dont see any circuit, i think you should post it here.
 

anhnha

Member
Hi,
The circuit is posted in the post. I can see it now. Maybe the site has problems.
I am posting it again. Please help me understand it.
Thanks.
 

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