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HP 4284A - Page 338

HP 4284A
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Display Range
Parameter Range
j
Z
j
,R, X 0.01 m to 99.9999 M
j
Y
j
,G, B 0.01 nS to 99.9999 S
C 0.01 fF to 9.99999 F
L 0.01 nH to 99.9999 kH
D 0.000001 to 9.99999
Q 0.01 to 99999.9
0
180.000
to 180.000
1
0
999.999% to 999.999%
Absolute Measurement
Accuracy
Absolute measurement accuracy is given as the sum of the relative
measurement accuracy plus the calibration accuracy.
j
Z
j
,
j
Y
j
, L, C, R, X, G and B Accuracy
j
Z
j
,
j
Y
j
, L, C, R, X, G and B accuracy is giv
en as,
A
e
+
A
cal
[%]
Where,
A
e
is the relative accuracy,
A
cal
is the calibration accuracy.
L, C, X and B accuracies apply when
D
x
(measured D value)
0.1.
R and G accuracies apply when
Q
x
(measured Q value)
0.1.
G accuracy describ ed in this paragraph applies to the G-B
combination only.
D accuracy
D accuracy is given as,
D
e
+
cal
Where,
D
e
is the relative D accuracy,
cal
is the calibration accuracy [radian].
Accuracy applies when
D
x
(measured D value)
0.1.
Q Accuracy
Q accuracy is given as,
6
Q
2
x
2
D
a
1
7
Q
x
2
D
a
Where,
Q
x
is the measured Q value,
D
a
is the absolute D accuracy.
Accuracy applies when
Q
x
2
D
a
<
1.
General Information 9-5