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For example when I search in Digi-key, I find programmable gain and variable gain amplifiers so I think they are different.
What about the second question "does the microcontroller sense the input or the output of the amplifier to adjust the gain?"
Thank you
Hi
Can you please tell me what is the difference between PGA and VGA?
and does the microcontroller sense the input or the output to adjust the gain?
Thank you
Hi everyone.
I am looking for a book or a paper that gives a design procedure for mixers in general and CMOS Gilbert cell in particular. I have Razavi's and Lee's books but they don't explain the design steps for Gilbert cell. I would really appreciate any help.
Thank you very much
Abdulrahman
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