Calculate the value of reference current and input resistor for current mirror with IC=1.2μA & VCC=12v. Assume β=50.
A. 1.248mA, 9kΩ
B. 1.248mA, 9.6kΩ
C. 1.248mA, 9.2kΩ
D. 1.2mA, 9.6kΩ
Answer:A
Calculate the value of reference current and input resistor for current mirror with IC=1.2μA & VCC=12v. Assume β=50.
A. 1.248mA, 9kΩ B. 1.248mA, 9.6kΩ C. 1.248mA, 9.2kΩ D. 1.2mA, 9.6kΩ
Explanation: We know that collector current, IC=β/(β+2)×Iref,