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Coupling / Decoupling (CDN)


Electronic products can be susceptible to interference from nearby transmitters due to signal coupling to external I/O cables of the product's This is especially true for products with long external power, communication and interface cables. The level of interference that product must be able withstand is defined in the standard. A CDN is used to couple the disturbing signals to the product I/O cables. These levels are injected into the CDN using a suitable power amplifier and an RF signal generator. The CDN consists of circuits for coupling and decoupling injected RF signals. The coupling circuit injects the disturbing signal into the cables under test.. The decoupling circuit prevents the injected signal from reaching the auxiliary equipment (AE) connected to the EUT.

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EM TEST CN 200N1 Audio Transformer Assembly for LF Conducted Immunity
EM TEST CN 200N1 Audio Transformer Assembly for LF Conducted Immunity
The CN 200N1 is a standalone coupling network unifying two audio transformers being individually configurable for various test requirements (e.g. Ford EMC-CS-2009.1, German Lloyd GL VI-7-2 and SAE J1113-2). The CN 200N1 is used to apply the test sign... View Details >>
EM TEST CNI 501x 1-Phase Coupling/Decoupling Networks EFT/Burst 10 kV
EM TEST CNI 501x 1-Phase Coupling/Decoupling Networks EFT/Burst 10 kV
The single phase coupling/decoupling networks of the CNI 501x-series are used to couple EFT/Burst pulses and Surge pulses on to AC and/or DC supply lines. The CNI 501x-series coupling/decoupling networks are built fully complying with the standa... View Details >>
EM TEST CNI 503x 3-Phase Coupling/Decoupling Networks EFT/Burst 10 kV
EM TEST CNI 503x 3-Phase Coupling/Decoupling Networks EFT/Burst 10 kV
The three-phase coupling/decoupling networks of the CNI 503x series are used to couple EFT/Burst pulses and Surge pulses on DC-lines or to three-phase (4-wire or 5-wire supply lines) mains supply systems for voltages up to 1,000VDC / 3x690VAC. This i... View Details >>
EM TEST CNI 508N2 Coupling Network Shielded/Unshielded Lines 1 GBit/s
EM TEST CNI 508N2 Coupling Network Shielded/Unshielded Lines 1 GBit/s
The EM TEST CNI 508N2 is the first coupling/decoupling network available on the market to couple Surge onto shielded and unshielded high-speed communication lines with data rates up to 1,000MBit/s. Additionally, the CNI 508N2 can be used as a coupl... View Details >>
EM TEST CNV 504N / CNV 508N8 Coupling/Decoupling Networks
EM TEST CNV 504N / CNV 508N8 Coupling/Decoupling Networks
Surge pulses or Ringwave pulses are applied to unshielded unsymmetrical interconnection lines (signal/data lines) by means of standalone coupling/decoupling networks. For such testing EM TEST offers a range of CNVs for either 4 or 8 signal/data lines... View Details >>
EM TEST CNV 504N5 Coupling/Decoupling Networks 4 Signal / Data Lines
EM TEST CNV 504N5 Coupling/Decoupling Networks 4 Signal / Data Lines
The CNV 504N5-series coupling/decoupling networks are used to apply damped oscillatory waves onto signal/data lines in accordance to EN/IEC 61000-4-18. A capacitance of 0.5uF is specified to couple the pulses on to the lines. Each line has a decoupli... View Details >>
EM TEST CNV 508N4 Coupling/Decoupling Networks 4 Pairs / 8 Lines
EM TEST CNV 508N4 Coupling/Decoupling Networks 4 Pairs / 8 Lines
The CNV 508N4 series are special coupling/decoupling networks being used to perform "Electrical disturbance tests for measuring relays and protection equipment" in accordance to IEC 60255-22-1. A capacitance of 0.5uF is specified to couple ... View Details >>
EM TEST Coupling Networks IEC/EN 61000-4-6 EN 60945 CISPR 15/EN 55015
EM TEST Coupling Networks IEC/EN 61000-4-6 EN 60945 CISPR 15/EN 55015
Immunity test to conducted disturbances, induced by radio-frequency fields according to the standards IEC/EN 61000-4-6 and IEC/EN 60945 introduce different types of coupling/decoupling networks according to the characteristics of the interconnection ... View Details >>
Haefely DEC 5 Decoupling Network Symmetrical Data & Control Lines
Haefely DEC 5 Decoupling Network Symmetrical Data & Control Lines
The DEC 5 is used for decoupling auxiliary equipment from an EUT tested with either 1,2/50ms - 8/20ms combination wave impulses or 10/700ms impulses up to 6.6kV peak. It is used to decouple unshielded symmetrical data and signal lines according stand... View Details >>
Haefely DEC 6 Decoupling Network Symmetrical Data & Control Lines
Haefely DEC 6 Decoupling Network Symmetrical Data & Control Lines
The DEC 6 is used for decoupling auxiliary equipment from a EUT tested with 10/700us impulses up to 6.6kV peak. It is used to decouple unshielded symmetrical data and signal lines according standard ITU K.44. Up to 4 wires can be tested simultaneousl... View Details >>
Haefely DEC 7 Decoupling Network Asymmetrical Data & Control Lines
Haefely DEC 7 Decoupling Network Asymmetrical Data & Control Lines
The DEC 7 is used for decoupling auxiliary equipment from an EUT tested with either 1,2/50ms- 8/20ms combination wave impulses or ring wave 100kHz impulses up to 6.6kV peak. It is used to decouple unshielded asymmetrical control and data lines accord... View Details >>
Haefely ECOUPLER 4 Coupling / Decoupling Network for ECOOMPACT 4
Haefely ECOUPLER 4 Coupling / Decoupling Network for ECOOMPACT 4
The ECOUPLER 4 is an ultra-compact coupling and decoupling network for burst and surge coupling onto three-phase power lines. ECOUPLER 4 can be controlled manually from its front panel or automatically from the PC, using the EMV Check software enclos... View Details >>
Haefely FP-EFT 100M2 Manual 3 Phase CDN for EFT / Burst 100A
Haefely FP-EFT 100M2 Manual 3 Phase CDN for EFT / Burst 100A
IEC / EN and ANSI standards cover burst testing of single and three phase AC and DC power ports. They include recommendations for the test equipment, the test set-ups and the test procedures. The IEC 61000-4-4 Edition 2: 2004 now defines the impulse ... View Details >>
Haefely FP-EFT 32M Manual 3 Phase CDN for EFT / Burst 32A
Haefely FP-EFT 32M Manual 3 Phase CDN for EFT / Burst 32A
IEC / EN and ANSI standards cover burst testing of single and three phase AC and DC power ports. They include recommendations for the test equipment, the test set-ups and the test procedures. The IEC 61000-4-4 Edition 2: 2004 now defines the impulse ... View Details >>
Haefely PCD 100 Single Phase CDN for PSURGE 8000 Platform
Haefely PCD 100 Single Phase CDN for PSURGE 8000 Platform
IEC and EN standards cover testing of single phase AC mains and DC power ports. They include recommendations for coupling and decoupling characteristics. These recommendations are based on the European model for ac power lines. The PCD 100 also fu... View Details >>
Haefely PCD 121 Coupling Network Symmetrical Data & Control Lines
Haefely PCD 121 Coupling Network Symmetrical Data & Control Lines
The PCD 121 is used for coupling of 1, 2/50us - 8/20us combination wave impulses up to 6.6kV peak onto unshielded symmetrical data and signal lines according IEC/EN standards. Up to 2 pairs / 4 wires can be tested simultaneously. To obtain maximum... View Details >>
Haefely PCD 122 Coupling Network Symmetrical Data & Control Lines
Haefely PCD 122 Coupling Network Symmetrical Data & Control Lines
The PCD 122 is used for coupling of 10/700ms impulses up to 6.6kV peak onto unshielded symmetrical data and signal lines according IEC/EN and ITU standards. Up to 2 pairs / 4 wires can be tested simultaneously. To obtain maximum flexibility only c... View Details >>
Haefely PCD 126A CDN Asymmetrical & Symmetrical Lines
Haefely PCD 126A CDN Asymmetrical & Symmetrical Lines
The PCD 126A is used for surge coupling of 1,2/50us - 8/20us combination wave impulses onto unshielded asymmetrical data and signal lines according IEC/EN standards. It is also used for surge coupling ring wave impulses onto both unshielded asymmetri... View Details >>
Haefely PCD 130 Three Phase CDN for PSURGE 8000 Platform
Haefely PCD 130 Three Phase CDN for PSURGE 8000 Platform
IEC and EN standards cover testing of 3 phase AC and DC power ports. They include recommendations for the coupling and decoupling component values within the CDN. These values are largely based on the European model for AC power lines. PCD 130 includ... View Details >>
Haefely PCD 150 CDN for Data & Control Lines
Haefely PCD 150 CDN for Data & Control Lines
The PCD 150 is used for surge coupling onto unshielded data- and signal lines according to IEC/EN standards. Damped oscillatory waves with both 100kHz and 1MHz up to 3.3kV peak as well as ring wave 100kHz with Z=200 Ohm up to 4.4kV peak can be couple... View Details >>
TESEQ CDN 117 DATA LINE Coupling/Decoupling Network
TESEQ CDN 117 DATA LINE Coupling/Decoupling Network
Teseq’s CDN 117 coupling-decoupling network enables convenient testing with surge pulses of 1.2/50 μs on data, signal or peripheral lines, as specified in many product standards. The test method, severity levels, permissible reaction of the ... View Details >>
TESEQ CDN 118 DATA LINE Coupling/Decoupling Network
TESEQ CDN 118 DATA LINE Coupling/Decoupling Network
Teseq’s CDN 118 coupling-decoupling network is designed for convenient surge testing of telecommunications equipment to IEC/EN 61000-4-5, which specifies a 1.2/50 μs or a 10/700 μs pulse. The CDN 118 includes the special decoupling ... View Details >>
TESEQ CDN 3043 Three Phase Coupling/Decoupling Network
TESEQ CDN 3043 Three Phase Coupling/Decoupling Network
The CDN 3043 series are three phase coupling/decoupling networks designed to offer best price performance for use as extension to NSG 3040 multifunction generator series. Various models are available in order to cover anyone’s need for best budget... View Details >>
TESEQ CDN 3061 Automated Single Phase Coupling/Decoupling Network
TESEQ CDN 3061 Automated Single Phase Coupling/Decoupling Network
The new, modular CDN 3061 is an easily upgradeable test instruments that maximize the user’s initial investment. Users can select a CDN configuration that fulfills their basic testing needs with the assurance that they can upgrade it to a version to ... View Details >>
TESEQ CDN 3063 Automated Three Phase Coupling/Decoupling Network
TESEQ CDN 3063 Automated Three Phase Coupling/Decoupling Network
The new, modular CDN 3063 continue Teseq’s philosophy of designing easily upgradeable test instruments that maximize the user’s initial investment. Users can select a CDN from this series that fulfils their basic testing needs with the assurance that... View Details >>
TESEQ CDN 3083 B100 Manual Coupling/Decoupling Network (Prev. CDN 163)
TESEQ CDN 3083 B100 Manual Coupling/Decoupling Network (Prev. CDN 163)
High frequency pulse signals can result in cross-talk between conductors running in parallel even over short distances. This behavior is taken into account in the latest and currently valid edition of the EFT/burst standard IEC/EN 61000-4-4 (2004). O... View Details >>
TESEQ CDN 3083 B200 Manual Coupling/Decoupling Network
TESEQ CDN 3083 B200 Manual Coupling/Decoupling Network
The CDN 3083-B200 is a 3-phase burst pulse coupling decoupling network intended to allow EFT/Burst testing of equipment requiring large currents, specially designed for heavy industry, smart grid and electro vehicle applications. The CDN 3083-B200... View Details >>
TESEQ CDN 3083 S100M Manual Surge Coupling/Decoupling Network
TESEQ CDN 3083 S100M Manual Surge Coupling/Decoupling Network
The CDN 3083 manual coupling/decoupling network fulfills the requirements specified in the surge standard IEC/EN 61000-4-5: 2005, including the reduced fi lter inductances for EUT currents >25 A per phase. Designed for convenient use in a wide ... View Details >>
TESEQ CDN 3425 Burst/EFT Capacitive Coupling Clamp
TESEQ CDN 3425 Burst/EFT Capacitive Coupling Clamp
The CDN 3425 is Teseq’s newly designed Burst EFT coupling clamp. It replaces the earlier models CDN 8014 and CDN 8015. The CDN 3425’s main purpose is to couple Burst/EFT pulses to data lines. It can also be used to couple to mains lines where no C... View Details >>
TESEQ CDN HSS-2 Coupling Decoupling Network
TESEQ CDN HSS-2 Coupling Decoupling Network
The Coupling Decoupling Network CDN HSS-2 is designed for convenient surge testing with 1.2/50 μs pulses, as defined in IEC/EN 61000-4-5, on unshielded symmetrical high speed telecommunication lines e.g. Ethernet. Coupling modes to 1, 2 or 4... View Details >>

Standards

CISPR
CISPR 11
CISPR 14 - 1
CISPR 14 - 2
CISPR 14 - 2
CISPR 16 - 1
CISPR 16 - 2
CISPR 16 - 3
CISPR 16 - 4
CISPR 22
CISPR 24
IEC
IEC/TR EN 61000 - 1 - 1
IEC/TR EN 61000 - 2 - 1
IEC/TR EN 61000 - 2 - 3
IEC EN 61000 - 3 - 2
IEC EN 61000 - 3 - 4
IEC/TC EN 61000 - 3 - 5
IEC EN 61000 - 4 - 2
IEC EN 61000 - 4 - 3
IEC EN 61000 - 4 - 4
IEC EN 61000 - 4 - 5
IEC EN 61000 - 4 - 6
IEC EN 61000 - 4 - 7
IEC EN 61000 - 4 - 8
IEC EN 61000 - 4 - 9
IEC EN 61000 - 4 - 11
European
EN 50 081 part 1
EN 50 081 part 2
EN 55 011
EN 55 013
EN 55 014
EN 55 015
EN 55 020
EN 55 022
EN 55 024
EN 50 082 part 1
EN 50 082 part 2
EN 50 093
American
FCC Part 15
MIL-STD - 461E