Question

as. (25) For the DC analvsis of the JFET amplifier seen in Fig3a, a) (04) determine the voltage Va b) (06) draw ID-VGs characteristics of the」FET transistor on a milimetric paper given in fig. 3.b. c) (10) mark the operating point Oll po. Vasq) on the characteristics you have drawn in part c. d) (05) find Vb. Vs and Voso DSQ- 20 V 2.2 kQ 910 kΩ lass 10 mA GSo 110 ㏀ 1.1 kQ fig.3.a.

Answer 1

20 Alho ไม่ CrnA) 010K 卞 VAs Vas ofA 15 - t (DK -3.5V And V s et voltada dtmined pPnya dis i vis lan " . V: 104109 2.15V tLo (in m A) Vas (in vottj) Vpihch off 3-5 V

ven JET 10 (m) 2.15 *Taking Positi* a VGs where Rs= 1.1 kD. w - Curent

15 -Vas- 1 3S 3-52 0.89 Tas 315 0 Vss should be XD Lie between 0 and (Vas), So that T oo ks rt Henu

35 3.52 0.29 Tos But 3-15 CS Vss should be Σ0lie between 0 andG4)。" So that ET o 1.48 <-3.15