(a) Assuming k9 n 5 2.7 k9 p 5 160 A/V2 and Vtn 5 2Vtp 5 0.75 V in the circuit of specify WyL ratios for IREF5 5IBIAS5 1 mA and VGS 5 0.5 V, given that VDD 5 5 V (assume n 5 p 5 0). (b) Find the percentage change in IDREF if VDD is raised to 6 V, and comment.
(a) Let the BJTs of Fig. 5.31a have Is1 5 2Is2 5 2 fA. If RBIAS 5 2R 5 2 kV and VCC 5 2.5 V, use iterations to fi nd IBIAS and IREF. (b) Repeat if VCC is increased by 20%, and comment.
Already registered? Login
Not Account? Sign up
Enter your email address to reset your password
Back to Login? Click here