Question

MOSFET design, KCL, KVL, nmos, pmos

40μΑ Qi. Consider the amplifier shown below. Assume the MOSFET has K,-- V. IV, Cg,-0.8pF, Cgdー0.2pF and no body effect. Given RB-100Rs, RREF the small signal AC gain is -1.6. 4kQand (a) Design RB and Rs so that the fu is 40MHz (b) Design CL so that the fi is 50Hz. 10V Mi RREF RB Rs M2 CL RD 1 00kΩ

Answer 1

elvenノMOSFET has ne bedy effect 00 R Small sanal AC gain @Design Ks and Rs So that f4MHz Consides the past จุ Caaut whne mi, m, Esann Shsis there REF Gare and Dreim ae shorted,m tranki shr is in Satuvalion vegion ση. rRsf To is also eauai to VaL RREF 2 RREF an Subsh tuting tre values en

7) on Solwin thhis quadratie Eaation, we aet 2.9389 V as VSnce mo cunment Plows imro the galt, 9 an성 MOSFET S。Cuorent through his Zeno We Can ako see this circuit as mi-transi shr Constant Vo t and M2 bransishr Pmos wS) ifien Capacaitvs n will act as an frequamde

Pe to 62

xignal equivalent a cat 7

the parasitic Capaitances and s imce

KpoR) 24 i0o Pg39 3.94 50 - .530 HF