CAMALEAO
Full Member level 4
Hi everyone,
I have a question regarding Veff.
I am reading Binkley's book and he defines as VEFF = VGS-VT, meaning, represents how much the operating gate-source voltage is above (positive) or below (negative) the mosfet threshold voltage.
If we look at the plot of figure 3.3 in his book, we see that he has at IC=1, a VEFF = 40mV, at IC=0.1, a VEFF = -72mV and at IC=10, a VEFF = 225mV.
This means that each of this VEFF are above the threshold voltage PLUS the threshold voltage, right? The gate voltage is biased 40mV above the threshold voltage which makes it be in the moderate inversion. Right?
Now, this threshold voltage, VT, that he's referring to is the normal VT voltage from the MOSFET (which will include all the second order effects) or it is the VT0 (with VSB=0V)?
I would like to make the same plot as he, for my technology, that's why I wanted to know if the VT that he's referring too is the VT0 or the normal VT that we are used to, so that I can bias correctly the transistor.
Regards.
I have a question regarding Veff.
I am reading Binkley's book and he defines as VEFF = VGS-VT, meaning, represents how much the operating gate-source voltage is above (positive) or below (negative) the mosfet threshold voltage.
If we look at the plot of figure 3.3 in his book, we see that he has at IC=1, a VEFF = 40mV, at IC=0.1, a VEFF = -72mV and at IC=10, a VEFF = 225mV.
This means that each of this VEFF are above the threshold voltage PLUS the threshold voltage, right? The gate voltage is biased 40mV above the threshold voltage which makes it be in the moderate inversion. Right?
Now, this threshold voltage, VT, that he's referring to is the normal VT voltage from the MOSFET (which will include all the second order effects) or it is the VT0 (with VSB=0V)?
I would like to make the same plot as he, for my technology, that's why I wanted to know if the VT that he's referring too is the VT0 or the normal VT that we are used to, so that I can bias correctly the transistor.
Regards.
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