EM TEST
AN 200
Bedienungsanleitung
V 2.00
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3.4.
Artificial network
The artificial network is used to carry out the measurements of conducted emission under constant impedance
parameters. According to ISO/DIN 7637 the following substitute diagram is provided.
Parameter of artifical network
Inductance :
L = 5
µ
H Rl < 5m
Ω
RC Network :
Cz = 0.1
µ
F ( 250V ac )
Rz = 50
Ω
Source input:
Connectors A, B
Output DUT :
Connectors P, B
Figure 8
The parallel resistor Rz = 50
Ω
is built as a coaxial resistor and is placed on the BNC connector at the rear panel.
The impedance characteristic is shown within the following diagram.
The enclosed illustration of a measured curve (impedance characteristic) shows typical impedance values in the
frequency range.
Figure 9 : Impedance of the artifical Network
