B&K Precision 886 - Manual User Manual
Page 78

75
capacitor parásito (Figure 3.2). El blindaje del cable coaxial
debe conectarse al común del instrumento para incrementar el
rango de medición hasta 10M
Ω.
DUT
V
A
(d) 2T CONNECTION WITH SHILDING
H
CUR
H
POT
DUT
(b) BLOCK DIAGRAM
DUT
V
A
Co
R
o
L
o
R
o
L
o
Co doesn't
effect
measurement
result
(a) CONNECTION
(c) TYPICAL IMPEDANCE MEASUREMENT RANGE(£[)
3T
1m 10m 100m 1
10
1K 10K 100K 1M
100
10M
L
POT
L
CUR
Figura 3.2
4-Terminal (4T)
La conexión 4-Terminal reduce el efecto de la resistencia de las
puntas de prueba (Figura 3.3). Esta conexión puede mejorar el
rango de medición hasta 10m
Ω. Sin embargo, no puede
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