$1.$ Use LTspice to plot the transfer function $($V$(3)$ versus VB$)$ of the BJT inverter shown in Figure $18\mathrm{.}1$ and find the following parameters: $($a$)$ V OH high$-$level output voltage$)$ is the maximum output voltage $($logic $1).$ V OF $=($b$)$ V OL $($low$-$level output voltage$)$ is the minimum output voltage $($logic $0).$ V OL $=($c$)$ V IL $($low$-$level input voltage$)$ is the minimum positive voltage, recognized as logic low $(0).$ V$\_\{\backslash$mathbb$\{$R$\}\}=($d$)$ V IH $($high$-$level input voltage$)$ is the maximum positive voltage from logic high $(1)$ to logic low $(0).$ V ar $=($e$)$ The width of the transition region is a measure of ambiguity, V IW $=$V IW $-$V IL $=($f$)$ Logic swing is also a measure of the ambiguity V LS $=$V ott $-$V ot $=$ VCC $5$V RB $47$k VB RC $12$k Q$1($g$)$ High, noise margin and is given by NM R $=$V ort $-$V or $=($h$)$ Low, noise margin and is given by N$*$M$\_\{$L$\}=$V Rt $-$V ot $=2$N$2222$ CL $0\mathrm{.}5$pF $2($i$)$ The absolute noise margin, Noise margin. PULSE$(0500.$ns $0\mathrm{.}1$ns $10$us $20$us$)$ NM $=$ min$($N$*$M$\_\{$y$\},$ N$*$M$\_\{$z$\})=4$ ;dc VB $050\mathrm{.}001$ tran $030$us $0$ JT inverter $2.$ Use LTspice to plot the transient response $($ V$(3)$ versus VB$)$ of the BJT inverter shown in Figure $18\mathrm{.}1$ and find the following parameters: $($a$)$ The rise time tr is the time required for the waveform to rise from $10\%$ to $90\%$ of its final $($high$)$ value. I pd$1=($b$)$ The fall time tf is the time required for the waveform to decrease from $90\%$ to $10\%$ of its final $($low$)$ value. t pd$0=$ Slope $--1$ V perp s $($c$)$ The propagation delay time tpd$.$ t pd $=$ t pd$1+$t pd$02=($d$)$ The static power P oue $=$ V CC $^22($R p $+$R on $(=100))=($e$)$ The dynamic power for a clock frequency of