Com-Power CDN-AF2 Coupling/Decoupling Network (CDN)

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Com-Power CDN-AF2 Coupling / Decoupling Networks (CDN) are for testing from 150 kHz - 80 MHz according to the EN 61000-4-6 / IEC 61000-4-6 standard for immunity to conducted disturbance induced by radio frequency fields. As the name implies the CDNs has both coupling and decoupling networks. Com-Power CDN-AF2 coupling network delivers injected RF common mode current disturbance signals through the various conductors to the equipment under test (EUT). The decoupling networks are used insure that the disturbing signals injected on the signal or power line of the EUT by the coupling networks does not interfere with any the auxiliary equipment (AE) connected to the EUT. Each CDN contains integrated direct capacitive coupling along with the high impedance choke for inductive decoupling.

Individual calibration data is provided with each Com-Power CDN-AF2 Coupling / Decoupling Network. Test level calibration must be performed on site to determine the minimum required test signal needed to achieve the required voltage levels specified by EN 61000-4-6.

The disturbing signal can be injected on signal lines and power line of an EUT by using the appropriate CDN described below. The CDN setup must be calibrated to establish the drive table. Please use the appropriate calibration components for the CDN. For each CDN you will need:
 

  • Calibration adapters
  • 2 units of the 150 Ω to 50 Ω adapter
  • 1 unit of the 50 Ω Terminator
  • Optional Ground plane

During the test the CDN is connected to the signal cables between the equipment under test (EUT) and auxiliary equipment (AE).

AF series CDNs for unshielded signal cables

The AF series CDNs are for unshielded cables with single or multiple conductors carrying low current. AF series CDNs are supplied with a professional audio connectors.

# wires in the cable 2
Coupling Point Each wire