QuadTech 1730T - Operation; Accuracy Formulas

Operation 150821/A4 Page 43 of 110
More 1730T Accuracy Formulas
L, C & R Accuracy
For Q ≥ 10 and (D ≤ 0.1), ⏐Z⏐=
⏐Z
L
⏐= ⏐2πfL⏐
⏐Z
C
⏐= ⏐1/(2πfC)⏐
For Q < 10 and (D > 0.1),
Multiply L accuracy by (1 + 1/Q)
Multiply C accuracy by (1 + D)
D & Q Accuracy
For all D values:
DF Accuracy
50000
FREQAccuracy (%)
100
=+
50
DF
1+x
IZI
For all values of Q:
Q Accuracy =
Accuracy (%)
100
+
Accuracy (%) Accuracy (%)
0.02Q
++
100
Q
2
200
IZI IZI IZI
R (ESR, EPR) Accuracy
For Q ≤ 0.1:
Accuracy of R = Accuracy of ⏐Z⏐
For Q ≥ 0.1:
Multiply accuracy R by (1 + Q)
Figure 2-3 illustrates the frequency conversion charts for LC to Z, C to Z and L to Z.
Voltage Accuracy
For voltages less than 1V an additional error applies. Multiply the accuracy (LCRDQ) by:
[0.8 + (0.2/Vsource)].