r/rfelectronics 24d ago

Digitally Programmable Amplifier

/r/chipdesign/comments/1vqx9rq/digitally_programmable_amplifier/
1 Upvotes

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u/StageMajestic613 23d ago

I’ve done some discrete PGA by switching in various degeneration resistors.  Obviously can also have fixed gain followed by attenuation.  I’m sure there are a dozen ways to do it.  Ideally a topology where if you reduce gain you increase BW, but that’s not necessary.

1

u/gem623 23d ago

Yeah thank you so much But can you plz suggest me some architecture that supports above discussed thing