<promach>
SpeedEvil: another yet-not-so-related question
<promach>
then for http://i.imgur.com/6g66u3U.png , why 'one plus loop gain' does not consider the net negative gain provided by the common-source structure of mosfet M2 ?
<promach>
Why To compute output resistance at relatively low frequencies, we set the input to zero [Fig. 8.9(b)] ?
<SpeedEvil>
##electronics is probably more appropriate