The Designer's Guide Community Forum https://designers-guide.org/forum/YaBB.pl Design >> Analog Design >> Minimum operating votlage for native MOS https://designers-guide.org/forum/YaBB.pl?num=1449820151 Message started by baab on Dec 10th, 2015, 11:49pm

Title: Minimum operating votlage for native MOS Post by baab on Dec 10th, 2015, 11:49pm I have read somewhere that the minimum operating voltage for MOS transistor (zero Vth transistor) is 2kT/q. Actually, what does it mean here? Does it mean that is the minimum voltage power supply so the transistor is in saturation and voltage gain Av = 1? Could you suggest some proof for that?

Title: Re: Minimum operating votlage for native MOS Post by neoflash on Dec 30th, 2015, 11:17am native Vt device (NMOS only) is a type of device with near zero Vth. You can apply any voltage to this device as long as it is not stressed. Based on your discussion context, I suggest not to dig into 2kT/q details. Leave it for the future when you are more familiar with devices. baab wrote on Dec 10th, 2015, 11:49pm: I have read somewhere that the minimum operating voltage for MOS transistor (zero Vth transistor) is 2kT/q. Actually, what does it mean here? Does it mean that is the minimum voltage power supply so the transistor is in saturation and voltage gain Av = 1? Could you suggest some proof for that?

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