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SECTION I
Model 4277A
Table 1-1. Specifications (Sheet 7 of 17)
Equations in Tables A-4 and A-5 represent
ESR Accuracy
G Accuracy
a:
Full-scale factor (= measured C value
f full-scale C value).
For example,
when the measured C value is 850pF on
the lOOOpF range,
a
is 0.85.
Table A-6.
Additional
Measurement
Error
for
ESR.and G at IMHz
ESR/G Range
IMHz
ion
.1% of reading
lOOn
.06% of reading
lOmS
.06% of reading + 3ayS
ImS
.04% of reading of .2ayS
lOOyS
.05% of reading + 30anS
iOyS
.4% of reading + iOanS
Note 1:
ESR accuracy is ±[2 (C accuracy .f
measured C x 100)% of ESR reading +
(G accuracy v measured G x 100)% of
ESR reading + 1 count].
Note 2:
G
accuracy
is
±[2
(C accuracy
-s-
measured C x 100)% of G reading +
(ESR
accuracy
-f
measured
ESR x
100)% of G reading + 1 count].
Note 3:
Tables
A-4 and A-5 are applicable
under the following conditions:
(1)
CABLE LENGTH: Om
(2)
Test Signal Level: HIGH (IVrms)
(3)
Sample's D Value: <0.1
(4)
Zero offset adjustment has been performed
with the OPEN and SHORT terminations of
the Model 16074A.
Note 4:
Error doubles when LOW test signal
level (20mVrms) is used.
Note 1;
Table
A-6
is
applicable
under
the
following conditions:
(1)
Test Frequency: IMHz
(2)
CABLE LENGTH: Im
(3)
Test Signal Level: HIGH (IVrms)
(4)
Sample's D Value: <0.1
(5)
Test Lead: Model 16048A or 16048B
(6)
Zero offset adjustment has been performed
with the OPEN and SHORT terminations of
the Model 16074A.
Note 2:
Error doubles when LOW test signal
level (20mVrms) is used.
1-10
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