Q$6.$ In the amplifier circuit below, the transistor has the following properties:V$,=$ Kn Kn$=4$mA$/$V$3,2=0\mathrm{.}1$VlVs $=168$ mrand Vs was measured to be $168$mV$.(20$ pts$]$a$.$ Find the de values Is$,$ Va$,$ and VD$.$b$.$ Verify that the circuit is in the proper region of operation for an amplifier.c$.$ Find the small signal parameters $($gm and Fo$)$d$.$ Draw the equivalent small$-$signal circuit model $($ac analysis circuit$)$e$.$ Calculate the voltage gain, Av $=$ Vo $/$ Vinf. Calculate the overall gain, Gv $=$ Vo $/$ VsigTo receive full credit, you must show$/$explain ALL steps of your work