$21\mathrm{.}2$

For the CE amplifier shown, and operating point given, determine the small signal parameters requested.

$\backslash$table$[[$Sub$-$question,Response,Result,Feedback$],[\backslash$table$[[$Input$],[$Resistance w$/],[$Rb Rin$],[[$kOhms$]]],$Response,Unanswered,$],[\backslash$table$[[$Input$],[$Resistance w$/$o Rb Rin $[$kOhms$]]],$Response,nanswere,$],[\backslash$table$[[$Open Circuit$],[$Voltage Gain$],[$w$/$o ro Avo$],[[$V$/$V$]]],$Response,Jnanswered,$],[\backslash$table$[[$Open Circuit$],[$Voltage Gain$],[$w$/$ ro Avo$],[[$V$/$V$]]],$Response,$|$nanswered$,],[\backslash$table$[[$Output$],[$Resistance$],[$w$/$o ro Ro$],[[$kOhms $]]],$Response,Inanswered,$],[\backslash$table$[[$Output$],[$Resistance w$/],[$ro Ro $[$kOhms$]]],$Response,nanswer,$],[\backslash$table$[[$Voltage Gain$],[$Av $[$V$/$V$]]],$Response,Inanswered,$],[\backslash$table$[[$Overall$],[$Voltage Gain Av $[$V$/$V$]]],$Response,nanswered,$],[$Small signal voltage vsig $[$mV$],$Response,Inanswered,$],[$Small signal output voltage vo $[$mV$],$Response,nanswered,$]]$

$\backslash$table$[[$Parameter$,$Value$],[$Transconductance gm $[$mA$/$V$],37],[$Resistance in the Base rpi $[$kOhms$],2\mathrm{.}7],[$Base Resistance Rb $[$kOhms$],90],[$Collector Resistance Rc $[$kOhms$],7\mathrm{.}8],[$Resistance in the output ro $[$kOhms$],120],[$Load Resistance RL $[$kOhms$],5\mathrm{.}5],[$Signal Resistance Rsig $[$kOhms $],5],[\backslash$table$[[$Small signal voltage at the input vpi$],[[$mV$]]],5]]$