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Using relay as a comparator(1 bit quantizer) in simulink?!

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Mahyar_AMS

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comparator simulink

Hi

I am trying to model a sigma-delta modulator in Matlab/Simulink. I need a 1 bit quantizer since my modulator is one bit. As we know a 1 bit quantizer would be a simple comprator but I could not find comparator in simulink blocks. Is it reasonable to use a relay instead or not?

cheers,
Mahyar
 

comparator in simulink

I guess this is a very late response, but the answer is yes it is fine to use the relay model in Simulink as a comparator.

-Tamim
 

what should be the block parameters if i wish to use the relay to compare two inputs and output a binary digit(1/0) accordingly. I want to use tthis comparator for single loop sigma delta adc design.
 

i want know the answer too.the relay need fix with "switch on point,switch off point",how to setting it?i think isnt it the vref/2?
 

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