Hello,

I'm working on feedback amplifiers such as the picture below and I've read that there great for radio frequencies. So why is that and how do they help with gain?

Thanks

 

Hello,

I'm working on feedback amplifiers such as the picture below and I've read that they're great for radio frequencies. So why is that and how do they help with gain?

Thanks

I don't know if it is a general statement about feedback amplifiers but the feedback forces the transistor to track a constant gain of the input. The inductors filter out the high frequencies and leave a demodulated audio signal behind for you to enjoy.

 

Thanks GopherT,

I figured that would be it too but I know that as frequency increases your gain will decrease aswell, anybody else have a clue?

Thanks