tofu
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I designed a 8bit S A R A D C and have trouble making the comparartor to work when the comparator inputs are very small, as a result I'm getting incorrect digital code.
e.g.
in- = 0.039139V
in+ = 0.04000V
Both out+ and out- will be zero
when out+ should have been one.
The inputs go to the gate of 2 nmos, when they are below Vt (like the e.g. above) there won't be any Id, how can I make it work??
Any help is greatly appreciated.
e.g.
in- = 0.039139V
in+ = 0.04000V
Both out+ and out- will be zero
when out+ should have been one.
The inputs go to the gate of 2 nmos, when they are below Vt (like the e.g. above) there won't be any Id, how can I make it work??
Any help is greatly appreciated.
