If an averaging amplifier has 4 inputs, the ratio Rf/Ri must be:a.4b.0.2c.25d.0.25
Question
Solution 1
To determine the ratio Rf/Ri for an averaging amplifier with 4 inputs, we need to consider the formula for the gain of an averaging amplifier. The gain (Av) of an averaging amplifier is given by the equation:
Av = -Rf/Ri
where Rf is the feedback resistor and Ri is the input resistor.
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