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How to reach the AGC of gain from 0~30dB ?

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benever

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RF gain!

how to reach the AGC of gain from 0~30dB at the Frequency about 2G!


thanks!
 

Re: RF gain!

You can use analog multiplier, but it will be actually regulated attenuator instead of VGA. So probably you will have to place an amplifier stage after the analog multiplier.
 

RF gain!

Hey, what is your gain step?
and what is your bandwidth?
If you have many steps, that would be a hot potato.
 

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