Question 4. Determine the voltage gain of each circuit in Fig. 4. Assume gmro>>1 and 1>0. VOD VOD J Vb4C M4 Vb4 M4 Vьзо- M3 M3 Vino Vьзо- Ms Vout o Vout Vb20 M2 Vb20 M2 Vo1 M1 Vin M Rp Vboo мо (a) (b) Fig. 4
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(a) From the given infarmation.G_{m_{1}}=g_{m_{1}} \times\left(\frac{R_{p} / / r_{01}}{r_{0} / / R_{p}+\left(1 / g_{m r}\right)}\right)Then from the given cimut\text { Rat }=\left[\left(1+g_{m_{2}} r_{r_{2}}\right)\left(R_{p} / / r_{r_{2}}\right)+r_{r_{2}}\right] /\left[\left[r_{r_{1}}\left(1+g_{m_{3}} r_{3}\right)+r_{3}\right]\right.Then\begin{array}{l}\text {, } \left.A_{v}=-g_{m_{1}} \times\left(\frac{R_{p} / / r_{c_{2}}}{r_{1} / / R_{p}+\left(1 / g_{m_{2}}\right)}\right)\left[\left(1+g_{m_{2}} r_{r_{2}}\right)\left(R_{p} / r_{r_{3}}\right)+m_{2}\right]\right) \\\left.\left[r_{0 y}\left(1+g_{m_{3}} r_{3}\right)+x_{3}\right\}\right] \\\end{array}(b) q_{m}=g_{\text {bs }}. Pram fuc. Simet.\begin{array}{l}\text { Rot } \left.=\left[\left(1+g_{m_{2}} r_{22}\right) r_{0_{3}}+r_{2}\right] / /\left[\left(r_{0}\right) / r_{04}\right)\left(1+g_{m_{3}} r_{3}\right)+x_{3}\right] \\\text { Then }\end{array}ThenA_{v}=-g_{m_{1}}\left[\left(\left[1+g_{m_{2}} r_{02}\right) r_{0}+r_{02}\right] / /\left[\left(r_{0} / / / r_{01}\right)\left(1+g_{m_{3}}^{r_{2}+r_{0}}\right]\right)\right.pleas give a like thanks you any doubt pleas comment ...