I am trying to implement a delta-sigma modulator block diagram in Matlab Simulink but can't find a $1$-bit quantizer (which is required in the modulator) anywhere. Could anyone please tell me how to go about it?

  • 1
    $\begingroup$ floor(.5*(sign(x)+1)) $\endgroup$
    – user28715
    Aug 7, 2017 at 13:37
  • $\begingroup$ why do you need the floor() function, @StanleyPawlukiewicz? $\endgroup$ Aug 8, 2017 at 2:47
  • $\begingroup$ Sign(0)=0. Floor(.5)=0 $\endgroup$
    – user28715
    Aug 8, 2017 at 5:58

1 Answer 1


You can see this example of Sigma-Delta A/D Conversion.


Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.