GW Instek LCR-6000 Series, User Manual

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LCR-6000 Series User Manual
137
Figure 13-2 Table for basic accuracy correction factor A
r
10m 20m
50m
5m
100m
200m 500m
1 2 3
1
2
5
10
20
50
100
1.2 150m
Ar
[Vrms]
Table 13-1 Impedance correction factors
Measurement
speed
Measuring frequency K
a
K
b
Slow
Medium
f
m

100Hz )
100
1 )(
200
1 )(
10 1
(
3
m s m
f V Z
 


)
100
1 )(
70
1 )( 10 1 ( 9
m s
m
f V
Z    
100Hz

f
m
≤100kHz
)
200
1 )(
10 1
(
3
s m
V Z



)
70
1 )( 10 1 (
9
s
m
V
Z
 

f
m

100kHz
)
200
2 )(
10 1
(
3
s m
V Z



)
70
1 )( 10 3 ( 9
s
m
V
Z   
Fast
f
m

100Hz )
100
1 )(
400
1 )(
10 5 . 2
(
3
m s m
f V Z
 
 
)
100
1 )(
100
1 )( 10 2 ( 9
m s
m
f V
Z    
100Hz

f
m
≤100kHz
)
400
1 )(
10 5 . 2
(
3
s m
V Z



)
100
1 )( 10 2 ( 9
s
m
V
Z   
f
m

100kHz
)
400
2 )(
10 5 . 2
(
3
s m
V Z

 
)
100
1 )( 10 6 (
9
s
m
V
Z
 

f
m
: Measuring frequency [Hz]
Z
m
: The impedance of the DUT [Ω]
V
s
: The amplitude of the measuring signal [mVrms]
When the impedance is less than 500Ω then use K
a
; K
b
can be ignored.
When the impedance is larger than 500Ω then use K
b
; K
a
can be ignored.