GW Instek LCR-8000G Series, Руководство пользователя

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BASIC MEASUREMENT
45
Impedance (Z) and Admittance (Y = 1/Z)
Background
Impedance measures the total amount of
opposition between two terminals in an AC circuit.
Admittance is the reciprocal of Impedance and
measures how easily the electricity flows in an AC
circuit.
Type
Impedance (Z) Admittance (Y)
Display Range
0.01mΩ ~ 1GΩ 0.001ns ~ 1ks
Formula
Y I
E
Z
1
 
jX R Z
S
 
C
j
R L j R


   
 
2 2
X R Z
S
 
 
2 2
X R
RX
Z
P



cos
Z R
S


sin
Z X
S

Z E
I
Y
1
 
jB G Y
P
 
L
j
G C j G


   
 
2 2
B G
GB
Y
S


 
2 2
B G Y
P
 

cos
Y G
P


sin
Y B
P

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