Amateur Extra › E7 Practical Circuits › E7G07
E7G07
What voltage gain can be expected from the circuit in Figure E7-3 when R1 is 10 ohms and RF is 470 ohms?
Pick an answer to check it.
Answer: C. 47
For this inverting amplifier, gain = RF / R1 = 470 / 10 = 47.
Tip: Gain = RF / R1.