A differential amplifier has a transistor with β0= 100, is biased at ICQ = 0.48mA. Determine the value of CMRR and ACM, if RE =7.89kΩ and RC = 5kΩ.
A. 49.54 db
B. 49.65 d
C. 49.77 db
D. 49.60 db
Answer:A
A differential amplifier has a transistor with β0= 100, is biased at ICQ = 0.48mA. Determine the value of CMRR and ACM, if RE =7.89kΩ and RC = 5kΩ.
A. 49.54 db B. 49.65 d C. 49.77 db D. 49.60 db
Explanation: Differential mode gain, ADM= -gmRC and Common mode gain,