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Homework Statement
Construct and test the ∏ section symmetrical attenuator. Measure and record the Input & Output Voltages of the attenuator and determine the attenuation in dB.
Homework Equations
V_{out} = V_{in} * [ R_{2} / (R_{1} + R_{2}) ]
Decibel Attenuation (dB) = 20LOG_{10}(V_{out} / v_{in})
The Attempt at a Solution
I have included an attachment for this question. The main area where I am confused at the moment is the number for V_{in}. Can someone please guide me to how to work out V_{in}?
Attachments

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