CDG CDN Coupling / Decoupling Networks

The CDG 7000 is a new test generator for all standards on immunity to conducted disturbances induced by high-frequency fields - including BCI tests (ISO 11452-4). One of the very few combined IEC 61000-4-6 test systems that contain the RF signal generator, an RF power amplifier, a 3-channel RF voltmeter, and a directional coupler at a very affordable price.

CDG CDN Data Sheet

SPECIFICATIONS

 

CDG CDN Coupling / Decoupling Networks

Coupling / Decoupling Networks for IEC / EN 61000-4-6 Conducted RF Immunity Testing

The CDG CDN series provides coupling / decoupling networks for conducted RF immunity testing according to IEC / EN 61000-4-6 and related EMC immunity standards. These networks are used to couple RF disturbance signals onto cables connected to the equipment under test while decoupling the auxiliary equipment side from the applied RF disturbance.

Different CDG CDN models are available for mains power lines, DC power lines, unbalanced signal lines, balanced communication lines, CAN bus, RJ45, USB, HDMI, FireWire, shielded cables, and direct coupling applications.

Absolute EMC can help configure the correct CDG CDN model, calibration adapters, mounting plates, and accessories for your conducted immunity test system.

Standards and Applications

Standard / ApplicationDescription
IEC / EN 61000-4-6 Conducted immunity to RF disturbances induced onto cables
IEC 61326-3-2 Immunity testing for industrial and safety-related equipment
NE 21 / NAMUR Industrial process and control equipment immunity testing
Medical, industrial, military, and commercial EMC Conducted RF immunity testing depending on EUT configuration and applicable standard

Product Overview

CDG CDN coupling / decoupling networks are used to apply RF disturbance signals to EUT cables while maintaining the normal electrical connection between the EUT and auxiliary equipment. The RF signal is applied through the RF input port, while the CDN provides controlled impedance, defined insertion loss, and decoupling from the auxiliary equipment side.

The CDG CDN family includes models for several cable and interface types. Special versions are available on request.

CDN Selection Guide

Field of ApplicationExample Cables / InterfacesRecommended CDG CDN Type
Unscreened supply lines AC mains, DC industrial power, ground connections CDG CDN-M series
Unscreened, unbalanced interconnection lines Audio cables, PLC / SPS lines, control lines CDG CDN-AF series
Unscreened balanced interconnection lines Communication lines, balanced signal cables CDG CDN-T series, CDG CDN-RJ series
Bus lines CAN bus CDG CDN-CAN series
Shielded connecting cables Coaxial, shielded I/O, LAN, USB, HDMI, FireWire CDG CDN-S, CDG CDN-RJ45-S, CDG CDN-USB, CDG CDN-HDMI, CDG CDN-FireWire
Direct coupling to shielded or coaxial cables Direct 100 Ω RF coupling to cable shield CDG CDN D 100

Frequency Coverage

CDN TypeFrequency Range
Standard IEC / EN 61000-4-6 CDNs 150 kHz – 230 MHz
10 kHz extended CDNs 10 kHz – 230 MHz
Selected high-current M-series CDNs 150 kHz – 80 MHz
CDG CDN D 100 direct coupling device 10 kHz – 230 MHz

CDG CDN-AF Series

CDG CDN-AF Coupling / Decoupling Networks for Unscreened Unbalanced Lines

The CDG CDN-AF series is used for coupling and decoupling RF disturbance signals onto unscreened, unbalanced signal and interconnection lines. Typical applications include audio, control, and low-voltage signal wiring.

CDG CDN-AF Technical Specifications

ParameterCDG CDN-AF2 / AF3 / AF4 / AF5 / AF6 / AF8CDG CDN-AF2-10k / AF3-10k / AF5-10k
RF Frequency Range 150 kHz – 230 MHz 10 kHz – 230 MHz
RF Power Rating 6 W continuous 6 W continuous
Decoupling Attenuation RF In – AE >20 dB, 150 kHz – 230 MHz; >40 dB, 1 MHz – 100 MHz >20 dB, 150 kHz – 230 MHz; >40 dB, 1 MHz – 100 MHz
RF In – EUT Insertion Loss 10 dB ±1 dB, 150 kHz – 80 MHz; 10 dB +3 dB, 150 kHz – 230 MHz 10 dB ±1 dB, 150 kHz – 80 MHz; 10 dB +3 dB, 150 kHz – 230 MHz
RF Connector N N
Maximum Input Voltage 100 VAC / 150 VDC 100 VAC / 150 VDC
Current Rating AE – EUT 5 A 5 A
AE – EUT Insertion Loss  
EUT / AE Connectors 2 mm safety sockets 2 mm safety sockets
Dimensions 160 x 82 x 240 mm 160 x 82 x 240 mm

CDG CDN-AF Models

ModelCurrent RatingInput VoltageFrequency RangeConnector
CDG CDN-AF2 5 A 100 VAC / 150 VDC 150 kHz – 230 MHz 2 mm safety sockets
CDG CDN-AF2-10k 5 A 100 VAC / 150 VDC 10 kHz – 230 MHz 2 mm safety sockets
CDG CDN-AF3 5 A 100 VAC / 150 VDC 150 kHz – 230 MHz 2 mm safety sockets
CDG CDN-AF3-10k 5 A 100 VAC / 150 VDC 10 kHz – 230 MHz 2 mm safety sockets
CDG CDN-AF4 5 A 100 VAC / 150 VDC 150 kHz – 230 MHz 2 mm safety sockets
CDG CDN-AF4-10k 5 A 100 VAC / 150 VDC 10 kHz – 230 MHz 2 mm safety sockets
CDG CDN-AF5 5 A 100 VAC / 150 VDC 150 kHz – 230 MHz 2 mm safety sockets
CDG CDN-AF5-10k 5 A 100 VAC / 150 VDC 10 kHz – 230 MHz 2 mm safety sockets
CDG CDN-AF6 5 A 100 VAC / 150 VDC 150 kHz – 230 MHz 2 mm safety sockets
CDG CDN-AF8 5 A 100 VAC / 150 VDC 150 kHz – 230 MHz 2 mm safety sockets

CDG CDN-M Series

CDG CDN-M Coupling / Decoupling Networks for Power Supply Lines

The CDG CDN-M series is used to couple and decouple conducted RF disturbances onto unscreened power supply cables. Models are available for single-phase, multi-conductor, protective earth, neutral, and three-phase applications. Current ratings are available up to 125 A, depending on the model.

CDG CDN-M Technical Specifications

ParameterCDG CDN-M 32 A ModelsCDG CDN-M 10 kHz 32 A ModelsCDG CDN-M 125 A Models
RF Frequency Range 150 kHz – 230 MHz 10 kHz – 230 MHz 150 kHz – 80 MHz
RF Power Rating 6 W continuous 6 W continuous 6 W continuous
Decoupling Attenuation RF In – AE >30 dB, 150 kHz – 80 MHz; >20 dB, 80 MHz – 230 MHz >30 dB, 150 kHz – 80 MHz; >15 dB, 80 MHz – 230 MHz >30 dB, 150 kHz – 80 MHz
RF In – EUT Insertion Loss 10 dB +2 / -1 dB, 150 kHz – 80 MHz; 10 dB +5 dB, 80 MHz – 230 MHz 10 dB +2 / -1 dB, 150 kHz – 80 MHz; 10 dB +5 dB, 80 MHz – 230 MHz 10 dB +2 / -1 dB, 150 kHz – 80 MHz
RF Connector N N N
Maximum AC Input Voltage 500 V 500 V 1000 V
Maximum DC Input Voltage 1000 V 1000 V 1000 V
Current Rating AE – EUT 32 A 32 A 125 A
AE – EUT Insertion Loss  
EUT / AE Connectors 4 mm MC safety sockets 4 mm MC safety sockets Push-in connection up to 35 mm²
Dimensions 160 x 102 x 240 mm 160 x 102 x 240 mm 200 x 122 x 400 mm

CDG CDN-M Models

ModelCurrent RatingInput VoltageTerminal AssignmentFrequency Range
CDG CDN-M1 32 A 500 VAC / 1000 VDC PE 150 kHz – 230 MHz
CDG CDN-M1-10k 32 A 500 VAC / 1000 VDC PE 10 kHz – 230 MHz
CDG CDN-L1 16 A 500 VAC / 1000 VDC L 150 kHz – 230 MHz
CDG CDN-L1-32A 32 A 500 VAC / 1000 VDC L 150 kHz – 230 MHz
CDG CDN-M2 32 A 500 VAC / 1000 VDC L, N 150 kHz – 230 MHz
CDG CDN-M2-10k 32 A 500 VAC / 1000 VDC L, N 10 kHz – 230 MHz
CDG CDN-M2-125A 125 A 1000 VAC / 1000 VDC L, N 150 kHz – 80 MHz
CDG CDN-M2+3 32 A 500 VAC / 1000 VDC L, N, PE 150 kHz – 230 MHz
CDG CDN-M2+3-10k 32 A 500 VAC / 1000 VDC L, N, PE 10 kHz – 230 MHz
CDG CDN-M3 32 A 500 VAC / 1000 VDC L, N, PE 150 kHz – 230 MHz
CDG CDN-M3-10k 32 A 500 VAC / 1000 VDC L, N, PE 10 kHz – 230 MHz
CDG CDN-M3-L 32 A 500 VAC / 1000 VDC 3 x L 150 kHz – 230 MHz
CDG CDN-M3-L-10k 32 A 500 VAC / 1000 VDC 3 x L 10 kHz – 230 MHz
CDG CDN-M3-125A 125 A 1000 VAC / 1000 VDC L, N, PE 150 kHz – 80 MHz
CDG CDN-M3-L-125A 125 A 1000 VAC / 1000 VDC 3 x L 150 kHz – 80 MHz
CDG CDN-M4 32 A 500 VAC / 1000 VDC 3 x L, PE 150 kHz – 230 MHz
CDG CDN-M4-10k 32 A 500 VAC / 1000 VDC 3 x L, N 10 kHz – 230 MHz
CDG CDN-M4-N 32 A 500 VAC / 1000 VDC 3 x L, N 150 kHz – 230 MHz
CDG CDN-M4-125A 125 A 1000 VAC / 1000 VDC 3 x L, PE 150 kHz – 80 MHz
CDG CDN-M4-N-125A 125 A 1000 VAC / 1000 VDC 3 x L, N 150 kHz – 80 MHz
CDG CDN-M5 32 A 500 VAC / 1000 VDC 3 x L, N, PE 150 kHz – 230 MHz
CDG CDN-M5-10k 32 A 500 VAC / 1000 VDC 3 x L, N, PE 10 kHz – 230 MHz
CDG CDN-M5-125A 125 A 1000 VAC / 1000 VDC 3 x L, N, PE 150 kHz – 80 MHz

CDG CDN-RJ Series

CDG CDN-RJ45 Networks for Unshielded Balanced Lines

The CDG CDN-RJ series is used for coupling and decoupling RF disturbances onto unshielded balanced RJ45 communication lines.

ParameterCDG CDN-RJ45CDG CDN-RJ45-10k
RF Frequency Range 150 kHz – 230 MHz 10 kHz – 230 MHz
RF Power Rating 6 W continuous 6 W continuous
Decoupling Attenuation RF In – AE >20 dB, 150 kHz – 230 MHz >20 dB, 150 kHz – 230 MHz
RF In – EUT Insertion Loss 10 dB ±1 dB, 150 kHz – 80 MHz; 10 dB +3 dB, 80 MHz – 230 MHz 10 dB ±1 dB, 150 kHz – 80 MHz; 10 dB +3 dB, 80 MHz – 230 MHz
Maximum Input Voltage 100 VAC / 150 VDC 100 VAC / 150 VDC
Current Rating AE – EUT 1.5 A 1.5 A
Data Transfer Up to 1 Gbit/s Up to 1 Gbit/s
Connector RJ45 socket, 8-pin RJ45 socket, 8-pin
Dimensions 160 x 82 x 240 mm 160 x 82 x 240 mm

CDG CDN-T Series

CDG CDN-T Networks for Unshielded Balanced Lines

The CDG CDN-T series is used for coupling and decoupling conducted RF disturbances onto balanced signal and communication lines.

ParameterCDG CDN-T2 / T4 / T8CDG CDN-T2-10k / T4-10k / T8-10k
RF Frequency Range 150 kHz – 230 MHz 10 kHz – 230 MHz
RF Power Rating 6 W continuous 6 W continuous
Decoupling Attenuation RF In – AE >20 dB, 150 kHz – 230 MHz >20 dB, 150 kHz – 230 MHz
RF In – EUT Insertion Loss 10 dB ±1 dB, 150 kHz – 230 MHz 10 dB ±1 dB, 150 kHz – 230 MHz
Maximum Input Voltage 100 VAC / 150 VDC 100 VAC / 150 VDC
Current Rating AE – EUT 0.5 A 0.5 A
AE – EUT Insertion Loss  
Connector 2 mm safety sockets 2 mm safety sockets
Dimensions 160 x 82 x 240 mm 160 x 82 x 240 mm

CDG CDN-T Models

ModelFrequency RangeCurrent RatingConnector
CDG CDN-T2 150 kHz – 230 MHz 0.5 A 2 mm safety sockets
CDG CDN-T2-10k 10 kHz – 230 MHz 0.5 A 2 mm safety sockets
CDG CDN-T4 150 kHz – 230 MHz 0.5 A 2 mm safety sockets
CDG CDN-T4-10k 10 kHz – 230 MHz 0.5 A 2 mm safety sockets
CDG CDN-T8 150 kHz – 230 MHz 0.5 A 2 mm safety sockets
CDG CDN-T8-10k 10 kHz – 230 MHz 0.5 A 2 mm safety sockets

CDG CDN-CAN Series

CDG CDN-CAN Networks for CAN Bus Lines

The CDG CDN-CAN series is used to couple and decouple conducted RF disturbance signals onto CAN bus lines.

ParameterCDG CDN-CAN-L4CDG CDN-CAN-L5
RF Frequency Range 150 kHz – 230 MHz 150 kHz – 230 MHz
RF Power Rating 6 W continuous 6 W continuous
RF In – EUT Insertion Loss 10 dB ±1 dB, 150 kHz – 230 MHz 10 dB ±1 dB, 150 kHz – 230 MHz
Maximum Input Voltage 50 VAC / 50 VDC 50 VAC / 50 VDC
Current Rating Pin 2+7: 0.5 A; Pin 3+9: 3 A Pin 2+7: 0.5 A; Pin 3+6+9: 3 A
Connector 9-pin Sub-D female 9-pin Sub-D female
Dimensions 160 x 82 x 240 mm 160 x 82 x 240 mm

CDG CDN-S Series

CDG CDN-S Networks for Shielded Cables

The CDG CDN-S series is used for coupling and decoupling RF disturbances onto shielded cables. The disturbance signal is coupled to the cable shield through a 100 Ω resistor.

ParameterCDG CDN-S Series
Models CDG CDN-S1, CDG CDN-S1-75, CDG CDN-S2, CDG CDN-S3, CDG CDN-S4, CDG CDN-S9, CDG CDN-S15, CDG CDN-S25
RF Frequency Range 10 kHz – 230 MHz
RF Power Rating 6 W continuous
Decoupling Attenuation RF In – AE >35 dB, 150 kHz – 80 MHz; >30 dB, 80 MHz – 230 MHz
RF In – EUT Insertion Loss 10 dB ±1 dB, 150 kHz – 80 MHz; 10 dB +3 dB, 80 MHz – 230 MHz
Maximum Input Voltage 150 VAC / 200 VDC
Current Rating AE – EUT 1.5 A
AE – EUT Insertion Loss  
RF Connector N
Dimensions 160 x 82 x 240 mm

CDG CDN-S Models

ModelEUT ConnectorAE Connector
CDG CDN-S1 BNC female BNC female
CDG CDN-S1-75 BNC female, 75 Ω special version BNC female, 75 Ω special version
CDG CDN-S2 XLR male XLR female
CDG CDN-S3 5-pin male XLR 5-pin female XLR
CDG CDN-S4 8-pin male Mini-DIN 8-pin female Mini-DIN
CDG CDN-S9 9-pin male Sub-D 9-pin female Sub-D
CDG CDN-S15 15-pin male Sub-D 15-pin female Sub-D
CDG CDN-S25 25-pin male Sub-D 25-pin female Sub-D

CDG CDN-RJ45-S, CDG CDN-HDMI, and CDG CDN-FireWire

Coupling / Decoupling Networks for Shielded Data Cables

These CDG CDN models are used for shielded data and communication cables.

ParameterCDG CDN-RJ45-SCDG CDN-HDMICDG CDN-FireWire
RF Frequency Range 10 kHz – 230 MHz 10 kHz – 230 MHz 10 kHz – 230 MHz
RF Power Rating 6 W continuous 6 W continuous 6 W continuous
Decoupling Attenuation RF In – AE >30 dB, 150 kHz – 230 MHz >50 dB, 150 kHz – 80 MHz; >25 dB, 80 MHz – 230 MHz >50 dB, 150 kHz – 80 MHz; >25 dB, 80 MHz – 230 MHz
RF In – EUT Insertion Loss 10 dB ±1 dB, 150 kHz – 80 MHz; 10 dB +3 dB, 80 MHz – 230 MHz 10 dB ±1 dB, 150 kHz – 80 MHz; 10 dB +3 dB, 80 MHz – 230 MHz 10 dB ±1 dB, 150 kHz – 80 MHz; 10 dB +3 dB, 80 MHz – 230 MHz
Maximum Input Voltage 100 VAC / 150 VDC 100 VAC / 150 VDC 100 VAC / 150 VDC
Current Rating AE – EUT 1.0 A 0.5 A 0.5 A
Connector Shielded RJ45 socket Shielded HDMI sockets FireWire 6-pin socket
Data Rate Up to 10 Gbit/s Application dependent IEEE 1394 devices
Dimensions 160 x 82 x 240 mm 160 x 82 x 240 mm 160 x 82 x 240 mm

CDG CDN-USB Series

Coupling / Decoupling Networks for USB Interfaces

The CDG CDN-USB series is used for conducted RF immunity testing on shielded USB cables, including USB 3.0 and USB Type-C applications.

ParameterCDG CDN-USB-3.0-ZCDG CDN-USB-3.0-PCDG CDN-USB Type-C
RF Frequency Range 10 kHz – 230 MHz 10 kHz – 230 MHz 10 kHz – 230 MHz
RF Power Rating 6 W 6 W 6 W
Decoupling Attenuation RF In – AE >50 dB, 150 kHz – 80 MHz; >25 dB, 80 MHz – 230 MHz >50 dB, 150 kHz – 80 MHz; >25 dB, 80 MHz – 230 MHz >50 dB, 150 kHz – 80 MHz; >25 dB, 80 MHz – 230 MHz
RF In – EUT Insertion Loss 10 dB ±1 dB, 150 kHz – 80 MHz; 10 dB +3 dB, 80 MHz – 230 MHz 10 dB ±1 dB, 150 kHz – 80 MHz; 10 dB +3 dB, 80 MHz – 230 MHz 10 dB ±1 dB, 150 kHz – 80 MHz; 10 dB +3 dB, 80 MHz – 230 MHz
Maximum Input Voltage 100 VAC / 150 VDC 100 VAC / 150 VDC 100 VAC / 150 VDC
Current Rating AE – EUT 0.9 A 0.9 A 0.9 A
Connector Configuration EUT: USB-B; AE: USB-A EUT: USB-A; AE: USB-B EUT: USB-C; AE: USB-C
Dimensions 160 x 82 x 240 mm 160 x 82 x 240 mm 160 x 82 x 240 mm

CDG CDN D 100 Direct Coupling Device

The CDG CDN D 100 is a direct coupling device for applying RF disturbances to shielded and coaxial cables using a 100 Ω connection. It is used where direct coupling is required, rather than a full decoupling network.

ParameterCDG CDN D 100
RF Frequency Range 10 kHz – 230 MHz
RF Power Rating 6 W continuous
Common Mode Impedance 100 Ω
Input Connector BNC
Output Connector Alligator clip
Maximum Cable Diameter 30 mm
Calibration Adapter Included

Calibration Accessories

To calibrate a coupling / decoupling network, corresponding connection adapters and calibration fixtures are required. Absolute EMC can help identify the correct adapters for the selected CDG CDN model.

General Calibration Set Requirements

Calibration ItemDescription
CDG A 41xx Corresponding CDN connection adapters for AE and EUT side
CDG A 4100 Mounting plate with 50 / 150 Ω transition and 50 Ω termination for AE side
CDG 4110 50 / 150 Ω adapter
First CDN Calibration Setup 2 x CDG A 41xx plus 2 x CDG A 4100
Additional CDN Calibration Setup 2 x CDG A 41xx for each additional coupling network

Calibration Adapter Table

 

CDG A 41XX + CDG A 4100 

2 pairs needed for each side of LISN, except for S Type

CDN ModelCalibration Adapter
CDG CDN-AF2 CDG A 4102
CDG CDN-AF2-10k CDG A 4102
CDG CDN-AF3 CDG A 4133
CDG CDN-AF3-10k CDG A 4133
CDG CDN-AF4 CDG A 4108
CDG CDN-AF4-10k CDG A 4108
CDG CDN-AF5 CDG A 4114
CDG CDN-AF5-10k CDG A 4114
CDG CDN-AF6 CDG A 4134
CDG CDN-AF8 CDG A 4109
CDG CDN-M1 CDG A 4101
CDG CDN-M1-10k CDG A 4101
CDG CDN-L1 CDG A 4101
CDG CDN-L1-32A CDG A 4101
CDG CDN-M2 CDG A 4101
CDG CDN-M2-10k CDG A 4101
CDG CDN-M2-125A CDG A 4116
CDG CDN-M2+3 CDG A 4101
CDG CDN-M2+3-10k CDG A 4101
CDG CDN-M3 CDG A 4101
CDG CDN-M3-10k CDG A 4101
CDG CDN-M3-L CDG A 4101
CDG CDN-M3-L-10k CDG A 4101
CDG CDN-M3-125A CDG A 4116
CDG CDN-M3-L-125A CDG A 4116
CDG CDN-M4 CDG A 4136
CDG CDN-M4-10k CDG A 4136
CDG CDN-M4-N CDG A 4136
CDG CDN-M4-125A CDG A 4116
CDG CDN-M4-N-125A CDG A 4116
CDG CDN-M5 CDG A 4128
CDG CDN-M5-10k CDG A 4128
CDG CDN-M5-125A CDG A 4116
CDG CDN-RJ45 CDG A 4118
CDG CDN-T2 CDG A 4102
CDG CDN-T2-10k CDG A 4102
CDG CDN-T4 CDG A 4108
CDG CDN-T4-10k CDG A 4108
CDG CDN-T8 CDG A 4109
CDG CDN-T8-10k CDG A 4109
CDG CDN-CAN-L4 CDG A 4131
CDG CDN-CAN-L5 CDG A 4131
CDG CDN-S1 CDG A 4103
CDG CDN-S1-75 CDG A 4103
CDG CDN-S2 CDG A 4104
CDG CDN-S3 CDG A 4124
CDG CDN-S4 CDG A 4130
CDG CDN-S9 CDG A 4105
CDG CDN-S15 CDG A 4113
CDG CDN-S25 CDG A 4106
CDG CDN-RJ45-S CDG A 4117
CDG CDN-HDMI CDG A 4123
CDG CDN-FireWire CDG A 4127
CDG CDN-USB-3.0-P CDG A 4122
CDG CDN-USB-3.0-Z CDG A 4121
CDG CDN-USB Type-C CDG A 4146
Mounting plate with 50 / 150 Ω adapter CDG A 4100

Why Choose Absolute EMC?

Absolute EMC supports EMC test laboratories with equipment selection, system configuration, installation, training, and technical support. Selecting the correct CDG CDN requires understanding the applicable standard, EUT cable type, number of conductors, current rating, voltage rating, connector type, and required frequency range.

We can help define the correct CDG CDN model, calibration adapter, mounting plate, termination, and conducted immunity generator configuration for your application.

Request a Quote

 

Contact Absolute EMC to configure CDG CDN coupling / decoupling networks for your conducted immunity test system. Please provide the applicable standard, EUT cable type, conductor count, voltage, current, connector type, and required frequency range.

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