8. (10%) Determine the value of W/L in Fig. 7 that places M1 at the edge of saturation. \(\mu{\mathrm{n}}C{\mathrm{ox}} = 50\mu A / V^2, V_{\mathrm{th}} = 0.5\mathrm{V}\) and \(\lambda = 0\)

Fig. 7

Fig. 8

Fig. 9