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# analog-designp
promach
01/25/2021, 1:28 AMimage.png
promach
01/25/2021, 8:33 AM@User something is quite wrong with the cmos inverters X1, X2, X3 and X4. I tried to use larger drive strength (inv_16), but it still could not invert the signal. Why ?
s
Stefan Schippers
01/26/2021, 6:23 PMyour last circuit did probably fix it already, i tried that and Vg4 toggles just fine .
p
promach
01/27/2021, 1:18 AM@Stefan Schippers but do I really need
C2C3s
Stefan Schippers
01/27/2021, 11:25 AM@promach, this is something i don't know, may be the original paper gives some insight.