CDN Instrument Information
A Coupling Decoupling Network (CDN) is an electronic device containing specialized circuits used for applying electromagnetic disturbances to electrical systems while isolating unintended pathways. In EMC testing, a CDN injects interference signals into a device under test (DUT) to evaluate its immunity to conducted disturbances. It ensures that the test signal is correctly coupled to the DUT while preventing unwanted interference from affecting other connected equipment
Common Uses
- Testing EMI immunity in electrical and electronic devices
- Ensuring compliance with EMC standards and regulations
- Isolating interference signals from unintended circuit pathways
Common Types
- CDN for power lines
- CDN for signal lines
- CDN for data lines
Measurement Parameter
- Coupling attenuation
- Decoupling attenuation
- Impedance matching
- Frequency range
Calibration Discipline
Calibration Equipment Used
- Oscilloscope
- High Voltage Probe
- Current Monitor
- EFT Attenuator
