Explanation: An eight input summing amplifier can be constructed using basic differential amplifier, if six additional input sources are used by connecting three input sources to inverting and non-inverting input terminal through resistors. 11. Calculate the output voltage for the summing amplifier given below, where R=2kΩ and RL =10kΩ.
A. 4v
B. 18v
C. 8v
D. None of the mentioned
Answer:A
Explanation: An eight input summing amplifier can be constructed using basic differential amplifier, if six additional input sources are used by connecting three input sources to inverting and non-inverting input terminal through resistors. 11. Calculate the output voltage for the summing amplifier given below, where R=2kΩ and RL =10kΩ.
A. 4v B. 18v C. 8v D. None of the mentioned
Explanation: The output voltage for summing amplifier is given Vo =-Va -Vb +Vc +Vd =3-4+6+5 =4v. 12. The output voltage of a summing amplifier is equal to (assume sum of input voltage as Vn )