A Wheatstone bridge is often used in sensor to get a differential signal, adjust sensitivity and range of a sensor signal(like strain gauge or magnetic/optical encoder). The signal conditioning for a Wheatstone bridge is then does the amplification, linearization and line driving to transmit the sensor signal(example: https://www.sensorsmag.com/machine-...ignal-conditioning-and-safe-transmission-7244 ).
1) - a constant current or voltage is supplied to the bridge!
2) - common mode noise is suppressed!
3) - the SG-sensor is part of the bridge to generate the sensor signal!
Sometimes I see diodes in the wheatstone bridge, why would they want to use diodes with the resistors in series for a wheatstone bridge? the diodes do what , when used when a wheatstone bridge
The diodes are in series inside the wheatstone bridges resistors, the diodes are in a polarity with the resistors in the wheatstone bridge for a reason
the SG-sensor is part of the bridge to generate the sensor signal!
If a sensor or strain gauge is part of the bridge, the other 3 resistors of the bridge do what?
The sensor or strain gauge is variable, the other 3 resistors are fixed
Since the sensor and strain gauge varies is resistance , the wheatstone bridge does what when the sensor or strain gauge is varying up and down in resistance?
so the output of a wheatstone bridge is a differential output and goes to what kind of circuit?