discriminator

 
Pronunciation: /dɪˈskrɪmɪneɪtə/

noun

  • 1a characteristic which enables people or things to be distinguished from one another: age should not be used as a primary discriminator in recruitment
  • 2 Electronics a circuit or device which only produces an output when the input exceeds a fixed value.
  • a circuit which converts a frequency-modulated signal into an amplitude-modulated one.