Circuit diagram

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Velleman page 20
LAB1 Technical Doc
Electrostatic Discharge immunity test
MR-079-2005
EUT: LAB 1 (Prototype)
Manufacturer: Velleman ( Witness S.Santens)
Operating Condition: Normal
Test Site: ESM EMC centre
Operator: Meuleman Hendrik
Test Specification: CIE IEC 61326
Comment: Pré-compliance Power supply connected with Multimeter
Date of Test: 1/06/2005
Short Description: + and - 4KV ESD, horizontal and vertical coupling
RESULT: PASS