Section 4
4-22
T_* = X-intercept of this line for Ix < 0
T+* = X - intercept of line for Ix > 0
nV(Nx,Ix) = Rs [ Ix (Nx / N) + Ic / N ] + Vos ...............................
also,
nV(Nx+1, Ix) = Rs [ (Ix / N) (Nx + 1) +Ic /N ] - Ix Rx + Vos ........
Subtracting [1] - [2] implies that nV(Nx,Ix) = (Rs Ix) / N = a constant
=
Vnano > 0, if Ix > 0
=
Vnano < 0, if Ix < 0
1
2
In the 9975 model (original 6675A algorithm)
(Rx / Rs)
Ix<0
= (T_*) / 648 ; and (Rx / Rs)
Ix>0
= (T+*) /648
Then
(Rx /Rs) = (1 / 2) [ (Rx / Rs)
Ix<0
+ (Rx / Rs)
Ix>0
]
Figure 4-8 : 6675A Turn Switching and nV Reading Graphical Representation
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