For good rating provide correct and full solution 6.9 Let the diode-connected FET of Fig. P6.9 have V, 0.5 V, φ,-0.6...
6.9 Let the diode-connected FET of Fig. P6.9 have V, 0.5 V, φ,-0.6 V, and m 0.5. (a) Given that with ID- 0.28 mA it gives VDs 1.5 V, and with Ip-1.20 mA it gives V)s - 2.5 V, what are the values of k and λ? (b) Given that at (Ip Vp(0.28 mA, 1.5 V) the FET has C(2/3)WLC+ W,o+ (3023) fF and C5, sketch and label its small-signal model. Hence, finod the small-signal impedance Z(i), and sketch and label the frequency plot of |Zin using logarithmic scales. (c) Repeat part (b), but for the case in which the FET is operated at (Ip VD (1.20 mA, 2.5 V). Hint: increasing VDs reduces both L and C so you can utilize the data of part (a) to calcu- late the percentage reductions in L and in Cdb as Vps is raised from 1.5 V to 2.5 V DS FIGURE P6.9
6.9 Let the diode-connected FET of Fig. P6.9 have V, 0.5 V, φ,-0.6 V, and m 0.5. (a) Given that with ID- 0.28 mA it gives VDs 1.5 V, and with Ip-1.20 mA it gives V)s - 2.5 V, what are the values of k and λ? (b) Given that at (Ip Vp(0.28 mA, 1.5 V) the FET has C(2/3)WLC+ W,o+ (3023) fF and C5, sketch and label its small-signal model. Hence, finod the small-signal impedance Z(i), and sketch and label the frequency plot of |Zin using logarithmic scales. (c) Repeat part (b), but for the case in which the FET is operated at (Ip VD (1.20 mA, 2.5 V). Hint: increasing VDs reduces both L and C so you can utilize the data of part (a) to calcu- late the percentage reductions in L and in Cdb as Vps is raised from 1.5 V to 2.5 V DS FIGURE P6.9