Calculate the currents in transistors Q1 to Q4 for a V = 1.5V and b V - VuV = 0.5V. Given R is 20k, R = 8k, R = 5k, and R = 650 for VoH = 3.6V. F = 9.25, R = 0.25, VBE(on) = 0.7, VBE(sat) = 0.8, VcE(sat) = 0.15V, VBC(on) = 0.7, VDI(on) = 0.55V.
Vcc = +5V
650
20K
8K
R
Q4
la
Q3
Qi
D,
OVO
Q2
RE
5K