View Single Post
Old November 27th 19, 04:17 PM posted to
[email protected]
external usenet poster
Posts: 614
Default Input transformer for Spectra Sonics 101 preamp

> >The current version of these units state 64db of gain with the same
> >101 card. Where is the extra gain coming from?
> >
> >RR

> Probably an extra stage of amplification, or if the design allows, a
> change of feedback resistors to get more gain from the existing
> circuit.
> d

some info here