Vernier Software and Technology
Vernier Software & Technology
Tech Info Library

On which line does the Microphone output its signal?

The Microphone, order code MCA-BTA, $44 output signal is sent to the interface on two different lines:
1) A signal centered at 2.5 volts is on the standard 0-5V output line.
2) A signal centered at 0 volts is on the alternate +/-10V output line.

Here is a pinout diagram for the BTA connector: www.vernier.com/support/sensor-pinouts

Either line can be used to collect the microphone's output; choose the line that best matches your DAQ device.

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