ST2826 Operation manual
Ver1.0
◇
65
(1) when frequency is larger than 1.001MHz
，
basic accuracy must multiply (f(MHz)+3)/4
；
(2)In the mode of constant voltage or current
When range>=100
Basic accuracy Z(%) or
( )
|
[ ]
[ ] |
(
)
[ ]
B
Zx
Range
A
Range
(2)
When range <100
Basic accuracy Z(%) or
( )
|
[ ] 10
[ ] |
(
)
[ ]
B
Range
Zx
A
Range
(3)
In (2)
、
(3)
，
Zx: sample value of |Z|
The sample value of impedance is considered as test result or caculated by the formula below
：
|
| ( )
(
)
Zx
L H
(
9 0 )
1/
( )
C F
(
9 0 )
( )
R
(
0 )
Test condition of basic accuracy :
1.
Use ST26048 test fixture;
2.
Test speed:SLOW
3.
Cable length factor:0m
4.
Temperature and humidity
：
20±5°C
，
(RH)<=80%
5.
Warm up:60 Min
6.
Before testing, perform open and short correction
6.3.2Test speed factor(C)
Speed
(FAST)
(NORMAL)
(SLOW)
C
5
2
1
Summary of Contents for ST2826
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Page 51: ...ST2826 Operation manual Ver1 0 41 Figure 3 15 ...
Page 61: ...ST2826 Operation manual Ver1 0 51 ...
Page 144: ...ST2826 Operation manual Ver1 0 134 Figure 9 8 the input circuit for control signal ...
