TX6000 Series Operation Manual Ver1.4
63
6.1.16
DC bias voltage source
100
Ω
0V—±5V Minimum resolution: 0.5mV,
Accuracy: 1% x preset 5mV
0mA—
±
50mA Minimum resolution: 5
μ
A
30
Ω
0V—±1.5V Minimum resolution: 0.5mV,
Accuracy: 1% x preset 5mV
0mA—
±
50mA Minimum resolution: 5
μ
A
Measurement accuracy
Test accuracy includes stability
、
temperature coefficient
、
linear degree
、
test
repeatability and calibration inter-error.
Check the accuracy of instrument should be under the following circumstances
:
a
.
warm-up time
:
≥ 30 min
b
.
cable
:
0m, 1m
c
.
correct open and short correction after warming up
d
.
DC bias is in the position of “OFF”
e
.
The range works in “AUTO” to select correct test range
6.1.17
Accuracies of │Z│,│Y│, L, C, R, X, G, B
The accuracy Ae of │Z│
,
│Y│
,
L
,
C
,
R
,
X
,
G and B are expressed as
:
A
e
= ±[A+
(
K
a
+K
b
+K
c
)
×100+ K
d
+K
f
]×K
e
[%]
A
:
basic test accuracy
(
figure A
)
K
a
:
impedance rate factor
(
table A
)
K
b
:
impedance rate factor
(
table A
)
K
c
:
calibrated inter-factor
(
table B
)
K
d
:
cable length factor
(
table D
)
K
e
:
temperature factor
(
table E
)
Kf
:
scan fixture modification factor
(
no add
:
Kf = 0, add
:
Kf = 0.2
)
L, C, X, B accuracy using condition
:
D
x
(
Test value
)
≤0.1
R, G accuracy using condition
:
Q
x
(
Q test value
)
≤0.1
WhenD
x
≥0.1, L, C, X, B accuracy factor A
e
should be multiplied by
2
1
x
D
+
When Q
x
≥0.1, R, G accuracy factor A
e
should be multiplied by
2
1
x
Q
+
Accuracy of G can only be available in G-B combination.
6.1.18
Accuracy of D
The accuracy of D is given by D
e
: