differential circuit
nounUK /ˌdɪfəˈrɛnʃəl ˈsɜːkɪt/
US /ˌdɪfəˈrɛnʃəl ˈsɜːrkɪt/
A differential circuit is a part of an electronic device that looks at how two signals are different and uses that difference to do its job.
The engineer used a differential circuit to compare the two sensor signals and ignore the noise.
RELATED WORDS
OTHER MEANINGS
2. A circuit that responds only to the difference between two input voltages.
The differential circuit rejected the interference that appeared equally on both inputs.
3. A circuit used in transmitters to send signals over two wires with opposite polarity.
The differential circuit drove the twisted pair cable for long-distance communication.
4. A circuit that detects changes between two states rather than absolute values.
The differential circuit triggered the alarm only when the two readings differed.