(Solved): QUESTION 8: The transistor parameters for the circuit shown in Figure P11.29 are B = 50, V BE(on) ...

QUESTION 8: The transistor parameters for the circuit shown in Figure P11.29 are B = 50, V BE(on) = 0.7 V (except for 24), VA = o for Q1 and Q2, and VA = 100 V for Q3 and 24 = Earlier dc analysis yields quiescent values 11 = 0.5 mA and Io = 140 uA. (a) Determine the common-mode input resistance, Ricm (b) For Rc = 70 k12, determine the common-mode voltage gain, Acm- Format : 44.96 Format : 0.4666 Pri (k92) R2 (k92) Po4 (??) &m (mA/V) Ricm (MO) Format : 0.547 Format : 2.5497 Format: 29.8 Acm Format : -0.0493 Rc Rc V Q2 U2 24 l3 QUESTION 11: Consider the basic two-transistor NMOS current source shown in the following figure. The circuit parameters are v* = 5 V, V = -5 V, and IREF= 116 ??. The transistor parameters are Vry=1.0 V, k'n = 80 „A/V2, and 9 = 22 x 10-3 V-1. For (W/L), = (W/L)2 = 3, calculate Io for Vps2 = 1.4 V. = Format : 8.5286 Format : 224.7347 VGS (V) Ro (k) A 10 (UA) Io at required V DS2 (UA) Format : -4.5256023388443 Format : 254.8776 V+ Id2 = 10 IREF Ro + Vpsi M M2 Vps2 + VGS V-