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LANGER
EMV-Technik
DE-01728 Bannewitz
[email protected]
www.langer-emv.com
P1202 / P1301 L-ESD set
P1301
– Electric Field Source
6.5
Figure 9 shows the P1301 ESD E-field source.
The field source has two plug connectors, a high voltage input (Fischer connector) to supply the
field source and a digital input (12 pin header) to control the field source.
The power input is marked
HV
in
.
Figure 9: P1302 ESD field source
On the inside of the P1301 ESD field source (see Figure 10) the HV power input is connected to
the pulse shaping circuit. The output of the pulse shaping circuit is connected to the electrode
located at the bottom of the field source.
Due to the potential difference between the electrode and the ground surface, an electric field is
generated which exits the electrode in the orthogonal direction. Figure 10 shows the basic test
principle. The field source, the spacer ring and the ground surface with the test board form a
field chamber. This field chamber limits and shields the generated electric field.
