Differential Transresistance Amplifier.
Vout = (Iinniv - Ininv)(Rm)
Vout = (Iinniv - Ininv)(Rg)
For this particular circuit with the saved values
Rnivg = Rg = Rf
Vout = (Iinniv - Ininv)(200 kΩ)
Examples:
1. For the saved values; Iinniv = 75 µA, Ininv = 50 µA
Vout = (75 µA - 50 µA)(200 kΩ)
Vout = (25 µA)(200 kΩ)
Vout = 5 V
2. Iinniv = 25 µA, Ininv = 50 µA
Vout = (25 µA - 50 µA)(200 kΩ)
Vout = (-25 µA)(200 kΩ)
Vout = -5 V
3. Iinniv = 75 µA, Ininv = 60 µA
Vout = (75 µA - 60 µA)(200 kΩ)
Vout = (15 µA)(200 kΩ)
Vout = 3 V
There are currently no comments