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What happens to current when the load increases in mixer?

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nxing

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Hello everybody,

I have a question about the mixer gain. Say in a Gilbert mixer as a down-converter mixer. I have noticed that when the load increases, the current goes to the load actually decrease whill the RF current after the transconductance stage is still the same. I am wondering where does the current go?

Thanks!
 

Re: mixer Gain

maybe you can notice the two off-swithing transistors if the mixer is DBM
 

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