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INSTRUCTION MANUAL
LI-550C
LINE IMPEDANCE STABILIZATION NETWORK
19121 El T oro R d ● S il vera d o, Ca lifo rnia 926 76 ● (94 9) 459 - 9600 ● com - p ower.com
REV021317
7.0 T
YPICAL
P
ERFORMANCE
D
ATA
Figure 6: Typical Impedance compared to CISPR 25 & CISPR 16-1-2 requirements
Figure 7: Typical Phase compared to CISPR 16-1-2 requirements.
0
10
20
30
40
50
60
0.1
1
10
100
1000
Imp
ed
ance
(ohms)
Frequency (MHz)
LISN Impedance
CISPR 16-1-2, Ed.1.2, Tbl 5
(5uH) Impedance Limits
(±20%)
CISPR 25, Ed.3 (5uH)
Impedance Limits (±20%)
-20
-10
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
Ph
ase
A
ngle
(d
eg
ree
s)
Frequency (MHz)
LISN Phase
CISPR 16-1-2, Ed.1.2, Tbl 5
(5uH) Phase Limits
(±11.5°)
