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Altera_Forum's avatar
Altera_Forum
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12 years ago

Comparator circuit with inbuilt Fixed Reference Voltage

I need to build a comparator circuit using the FPGA with minimum external components. A negative analog voltage will be input and has to be compared with a fixed voltage of -30mV to give a digi...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

The negative input voltage could be crudely level shifted to a positive voltage with a resistive divider to VCC.