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RF passive MOSFET mixer (sub??)

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Alex_IC

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mosfet mixer

Hello!

I'm design RF passive ring MOSFET mixer on nmos. I'm confused where to connect substrate contact? Maybe leave it open...
 

Re: mosfet mixer

Alex_IC said:
Hello!

I'm design RF passive ring MOSFET mixer on nmos. I'm confused where to connect substrate contact? Maybe leave it open...
Click to expand...

i do not think open is correct. For standard process i think sub of nmos should connects to the lowest voltage; while for pmos you can either connect it to VDD or source.
 

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