For a non-inverting amplifier, R1=10K, RF=100K. Calculate voif vi=25 mV dc.
Question
For a non-inverting amplifier, R1=10K, RF=100K. Calculate voif vi=25 mV dc.
Solution
The gain of a non-inverting amplifier is given by the formula:
Gain (A) = 1 + (RF / R1)
Where: RF is the feedback resistance R1 is the input resistance
Given: RF = 100K ohms R1 = 10K ohms
Substituting these values into the formula, we get:
A = 1 + (100K / 10K) = 1 + 10 = 11
The output voltage (vo) is then given by the formula:
vo = A * vi
Where: A is the gain vi is the input voltage
Given: vi = 25 mV = 0.025 V
Substituting these values into the formula, we get:
vo = 11 * 0.025 = 0.275 V
So, the output voltage (vo) for a non-inverting amplifier with the given parameters is 0.275 V.
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