The Com-Power CDN C75 Coupling / Decoupling Networks (CDN) are for injecting disturbing signals on to 50 Ohm (CDN-C50) and 75 Ohm (CDN-C75) shielded coax cables. These CDN have BNC connectors for EUT and AE connections.
The CDN-C75 decoupling networks are used to insure that the disturbing signals injected on the signal 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 a high impedance choke for inductive decoupling.