Question: Describe the simplest electrical circuit used to model the interaction between a sensor and the first stage of amplification in a signal chain. Choose two

Describe the simplest electrical circuit used to model the interaction between a sensor and the first stage of amplification in a signal chain. Choose two values for the input impedance of an amplifier connected to a sensor, and show how they affect the input voltage of the first stage of an amplifier (suggestion: assume a fixed, large value for the output impedance of the sensor).

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