Coupling Decoupling Networks (CDN) AF Types
For immunity testing according to IEC/EN 61000-4-6
CDN-AF type networks are required for coupling and decoupling disturbing signals to an unscreened cable with non-balanced lines.
| TECHNICAL SPECIFICATIONS: | |
| Frequency range (RF In) | (10 kHz) 150 kHz – 80 MHz / 230 MHz (300 MHz) |
| Power Rating (RF In) | 6 W (continuous) |
| Maximum Input Voltage AC | 100 V |
| Maximum Input Voltage DC | 150 V |
| Current Rating (AE – EUT) | 1 A |
| Connectors | Terminal block; safety banana jack |
| ORDERING INFORMATION: | |
| Type | Description |
| AF2 | Terminal block 2 pole, 150 kHz – 300 MHz |
| AF2-MC | 4mm safety banana jack, 150 kHz – 300 MHz |
| AF2-N | 4mm safety banana jack, 10 kHz – 230 MHz (NAMUR) |
| AF3 | Terminal block 3 pole, 150 kHz – 230 MHz |
| AF3-MC | 4mm safety banana jack, 150 kHz – 230 MHz |
| AF3-N | 4mm safety banana jack, 10 kHz – 230 MHz (NAMUR) |
| AF4 | Terminal block 4 pole, 150 kHz – 230 MHz |
| AF4-MC | 4mm safety banana jack, 150 kHz – 230 MHz |
| AF4-N | 4mm safety banana jack, 10 kHz – 80 MHz (NAMUR) |
| AF5 | Â Terminal block 5 pole, 150 kHz – 230 MHz |
| AF5-MC | 4mm safety banana jack, 150 kHz – 230 MHz |
| AF5-N | 4mm safety banana jack, 10 kHz – 230 MHz (NAMUR) |
| AF8 | Terminal block 8 pole, 150 kHz – 230 MHz |
| AF8-MC | 4mm safety banana jack, 150 kHz – 80 MHz |
| AF8-DS-N | 9-pin Sub-D, 10 kHz – 230 MHz (NAMUR) |
| AF9 | Terminal block 9 pole, 150 kHz – 230 MHz |
| AF10 | Terminal block 10 pole, 150 kHz – 230 MHz |
| AF12 | 15 pole Sub-D, 150 kHz – 230 MHz |
IMMUNITY TESTING:
CDNs are the preferred coupling and decoupling devices, for reasons of test reproducibility and protection of the auxiliary equipment (AE). CDNs shall be used for appropriate coupling of the disturbing signal to the various cables connected to the equipment under test (EUT) and for preventing applied test signals from affecting other devices, equipment and systems that are not under test.
EMISSION TESTING:
Some selected CDNs meet the requirements of CISPR 15 and CISPR 22 for emission testing in the extended frequency range of 80 MHz to 300 MHz. Along with the common mode impedance a curve of the voltage division factor over the frequency range of up to 300 MHz is supplied with these CDNs. Currently the types CDN-AF2, CDN-T2, CDN-M2, CDN-M3 and CDN-M2+3 meet the requirements of CISPR 15 / CISPR 22.
CALIBRATION:
In order to calibrate a CDN you require:
– specific calibration adapter
– mounting bracket
– 150 Ω to 50 Ω adapter
For the first CDN a mounting bracket and a 150 Ω to 50 Ω adapter need to be acquired. For each additional CDN only a specific calibration adapter needs to be acquired.
Category
- Conducted Immunity
Application
- Immunity test to conducted disturbances, induced by RF-fields
Product Group
- Coupling Decoupling Networks (CDN)
Standard
- IEC/EN 61000-4-6