Re: mosfet RF amplifier with resistance

jure <jure@xxxxxxxx> wrote:

Negative feedback doesn't increase gain-bandwidth product.

John

Negative feedback doesn't increase gain-bandwidth product.

completely agree !

Jure Z

Well, my question no longer applies since I found the feedback arrangement
is very old, 1963, and well-known, even though it is often misspelled:)

You can apply feedback to the base of the input stage, which lowers the
input impedance and requires a known and fixed source impedance, or you can
apply it to the emitter, which raises the input impedance and requires a
resistor in the emtter. Plus a lot of other details.

But I don't understand the point of your comment. It is obvious, but what
does it have to do with the feedback configuration?

Regards,

Mike Monett

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