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I have a problem to design ADC 4 bit flash, especially, the comparator. I use two stage comparator (I show it below):
My problem is that it does not work with when Vin (Vp, Vn) is too small maybe < 0.3V, the output is always 0. Higher it work good. Need some tips to redesign this comparator, or...
I became familiar with the 74LS595, i want to make 1 2 3 on the OUTPUT of each of three 74LS595, but it always show 0 on three 74LS595. This is my simulation and code. Help me, please!!!
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