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CDNs - Coupling Decoupling Network

CDNs - Coupling Decoupling Network

What is a CDN / What is a Coupling Decoupling Network? Coupling- / Decoupling Networks are utilized to inject common mode disturbances into the Equipment under Test (EuT). In addition, the CDNs provide adequate isolation between Auxiliary Equipment (AE) and disturbance signals. IEC 61000-4-6 (Immunity to conducted disturbances induced by radio-frequency fields) describes the requirements for CDN and their application. CDNs have a 150-Ohm common mode impedance and are available for a variety of cable types and connectors.


Power Supply Lines M Series CDNs

CDN Mxx, also known as M-Series Coupling Decoupling Networks, are used in IEC-61000-4-6 immunity standards to inject common mode disturbances to Device under test (DUT) power lines and decouple signals to prevent interference with auxiliary devices. They also serve as decouplers to prevent signals from being fed back into building mains during tests.

CDN-M1100

 The CDN-M1100 is a 100 Amps power cable single line M series Coupling Decoupling Network designed for disturbance immunity tests on power lines according to IEC 61000-4-6. It allows common mode RF energy to be coupled onto EUT power lines without interruption of input power, and employs common mode decoupling to minimize interference to power sources and equipment.  

CDN-M125E

 The CDN-M125 is a 25 Amps single line M series Coupling Decoupling Network, covering the 150 kHz - 230 MHz frequency range. It is used for all power supply connections and is designed to maintain impedance over the ground plane without interruption of input power. It also employs common mode decoupling to minimize interference to power sources and equipment.  

CDN-M2100

 The CDN-M2100 is a Coupling Decoupling Network for two conductor power cables with a current rating of 100 Amps and a frequency range of 150 kHz - 230 MHz. It is equipped with two Common Mode Adapters for shorting the power conductors during calibration and measurement of electrical performance parameters, as per the EN 61000-4-6 standard.  

CDN-M225E

 The CDN-M225E is a two-conductor Coupling Decoupling Network with a 25 Amps current rating and frequency range of 150 kHz - 230 MHz. It is calibrated to meet IEC 61000-4-6 and CISPR 16-1-2 requirements, and can be offered with ISO 17025 accredited calibration upon request. The disturbance signals are coupled to each conductor in the supply lines.  

CDN-M250E

 The Com-Power CDN-M250E Coupling/Decoupling Network is designed for immunity testing of products using two conductor power cables. It has a current rating of 50 Amps and is available for power supplies from 1 to 5 conductors. The CDNs cover the frequency range of 150 kHz - 230 MHz and enable common mode RF energy coupling onto EUT power lines without interruption.  

CDN-M325E

 The CDN-M325E is a Coupling Decoupling Network with a three-conductor power cable, complies with IEC / EN 61000-4-6 test standards. It has a current rating of 25 Amps and a frequency range of 150 kHz - 230 MHz. Optionally, it comes with two Common Mode Adapters for shorting power conductors during calibration and measurement of electrical performance parameters.  

CDN-M350E

 The CDN-M350E Coupling/Decoupling Network is a 50 Amps immunity testing system for power lines, designed using three conductor power cables. It covers the frequency range of 150 kHz - 230 MHz and pairs disturbance signals individually.  

CDN-M425E

 The CDN-M425E is a four-conductor power cable with a 25 Amps current rating, covering the 150 kHz - 230 MHz frequency range. It is used for power supply connections and immunity testing, following the EN 61000-4-6 standard.  

CDN-M450E

 The CDN-M450E is a 50 Amps power line coupling/decoupling network designed for immunity testing using four conductor power cables. It has a current rating of 50 Amps and operates within a frequency range of 150 kHz - 230 MHz.  

CDN-M525E

 CDN-M525E Coupling Decoupling Network has a current rating of 25 Amps. It has a 5 conductors power cable capability. The disturbance signals are coupled to each conductor in the supply lines according to IEC/EN 61000-4-6 standard for immunity testing. Com-Power's CDN-M325E covers the frequency range of 150 kHz - 230 MHz.


Screened S Series CDNs

CDN Sxx, also known as S-SeriesCoupling Decoupling Networks, is a type of immunity standard that injects common mode disturbances into devices using shielded data lines, while decoupling signals to prevent interference with auxiliary devices.

CDN-C50E

 The CDN-C50E is a 50 Ohm coaxial cable for conducting immunity testing per IEC/EN 61000-4-6 and CISPR 16-1-2. It has 50 Ohm BNC connectors for EUT and AE power connection, can handle up to 1 Amp of current, and can handle up to 40V of RF input voltage. The pre-packaged solution includes an ACS series power amplifier and all necessary accessories. Com-Power CDNs are individually calibrated and can be purchased separately or as part of the CIS series conducted immunity test system.  

CDN-C75E

 The CDN-C75E is a 75 Ohm coaxial cable tester for data communication products, capable of handling up to 1 Amp of current and 40V of RF input voltage. It is part of the Com-Power series of Coupling/Decoupling Networks designed for conducted immunity testing per IEC/EN 61000-4-6. It is individually calibrated and can be purchased separately or as part of the CIS series conducted immunity test system. The pre-packaged solution includes all required accessories and ACS series power amplifier.  

CDN-T8SE

 The CDN-T8SE is a dual-threat network suitable for emissions and immunity tests on signal/telecom ports connected to shielded lines. It can be used as a CDN for immunity testing per IEC 61000-4-6 or an ISN for emissions testing per CISPR 22/32. It meets all standards and CISPR 16-1-2 requirements. The CDN-T8SE is individually calibrated for performance parameters with NIST traceability, and ISO 17025 accredited calibration is available upon request.  

CDN-USB-AE

 CDN-USB-AE is a USB Type Type-Aector for testing products using USB Type Type-Aectors. It can handle up to 1 Amp of current and 40V of RF input voltage-power. It is part of a series of Coupling/Decoupling Networks designed for conducted immunity testing per IEC/EN 61000-4-6 and CISPR 16-1-2. The bottom surface is not painted for easy grounding during EMC testing. Com-Power CDNs can be purchased separately or as part of the CIS series conducted immunity test system.  

CDN-USB-BE

 The Com-Power CDN-USB-BE is a USB Type B cable for communication equipment, designed for testing products for conducted immunity per IEC/EN 61000-4-6. It has a female BNC RF disturbance signal coupling port and can handle up to 40V of RF input voltage. The bottom surface is not painted for easy grounding. Com-Power CDNs can be purchased separately or as part of a pre-packaged solution, including an ACS series power amplifier and all necessary accessories. They are individually calibrated.  


Telecom T Series CDNs

CDN Txx, also known as T-Series or Telecom Coupling Decoupling Networks, is a technology used in IEC-61000-4-6 to conduct immunity standards by injecting common mode disturbances into devices with balanced data lines.

CDN-T2E

 The CDN-T2E is a Coupling/Decoupling Network for testing products, using one unscreened, balanced pair for communication like Ethernet for conducted immunity per IEC/EN 61000-4-6. It has RJ11 connectors for EUT and AE connection, can handle up to 2 Amps of current, and can handle up to 40V of RF input voltage. All Com-Power CDNs are individually calibrated and can be purchased separately or as part of the CIS series conducted immunity test system.  

CDN-T4E

 The Com-Power CDN-T4E is a series of Coupling/Decoupling Networks designed for testing products with conducted immunity per IEC 61000-4-6. It uses a RJ45 connector for EUT and AE connections and a BNC connector for RF disturbance signal injection. All Com-Power CDNs are individually calibrated and fully comply with IEC61000-4-6 and CISPR16-1-2 requirements.  

CDN-T8E

 The Com-Power CDN-T8E is a Coupling/Decoupling Network designed for testing products with four unscreened, balanced pairs for communication, such as Ethernet. It has an RJ45 connector for EUT and AE connections, can handle up to 1.5 Amps of current, and can handle up to 40V of RF input voltage. All Com-Power CDNs are individually calibrated and fully comply with IEC 61000-4-6 and CISPR 16-1-2 requirements.  


Unscreened AF Series CDNs

The AF Series Coupling Decoupling Networks, also known as CDN-AF in IEC-61000-4-6, are designed to prevent common mode disturbances from affecting devices connected to un-shielded lines and decouple signals so as not to interfere with any auxiliary devices connected to the DUT.

CDN-AF2E : For conducted immunity testing

 The Com-Power CDN-AF2E is a coupling/decoupling network designed for testing products for conducted immunity per IEC/EN 61000-4-6 and CISPR 16-1-2. It has eight 2 mm shrouded banana sockets for EUT and AE power connection, can handle up to 5 Amps of current, and can handle up to 40V of RF input voltage. The CDN can be purchased individually or as part of a pre-packaged solution, including an ACS series power amplifier and EMC test accessories.  

CDN-AF4E

 The CDN-AF4E Coupling Decoupling Network is designed for conducted immunity per IEC / EN 61000-4-6 and is suitable for data communication. It has four 2 mm shrouded banana sockets for EUT and AE power connection, can handle up to 5 Amps of current, and can handle up to 40V of RF input voltage. The CDN-AF4E is compliant with IEC 61000-4-6 and CISPR 16-1-2 requirements and can be purchased as part of the CIS series conducted immunity test systems or separately.  

CDN-AF8E

 The Com-Power CDN-AF8E is a Coupling Decoupling Network (CDN) designed for products using eight wire unscreened cables for data communication. It has eight 2 mm shrouded banana sockets for EUT and AE power connections and can withstand up to 5 Amps of current. It has a female BNC RF disturbance signal coupling port and can handle up to 40V of RF input voltage. All Com-Power CDNs can be purchased separately or as part of a pre-packaged solution.  

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