TekBox TBCDNE-M3 Coupling Decoupling Network Emission M3
TekBox CDNEs are a type of Coupling Decoupling Networks used for an alternative technique of measuring radiated emission of lighting equipment in accordance with the CISPR 15 (EN55015) standard.
It avoids the need for emission measurements on Open Area Test Sites. This method was established in CISPR 15 edition 9 as an acceptable alternative to a traditional OATS test configuration that required antennas and calibrated test sites. It is specified for the frequency range from 30 MHz to 300 MHz. The CDNE method and the associated limits up to 300 MHz can be only applied for EUTs with clock frequencies below or equal to 30 MHz. In such a case, the product is deemed to comply with the requirements between 300 MHz and 1000 MHz.
When compared to CDNs, CDNEs are substantially more stringently specified, with reduced common mode (CM) impedance tolerance and additional parameters for CM phase tolerance and differential mode impedance equal to 100 Ω. A minimum 20 dB for longitudinal conversion loss shall prevent symmetrical voltage influencing measurement results.
CISPR 15 edition 9 also specifies that the mains supply cable of the EUT should be terminated with a CDNE positioned on the reference-ground plane for the OATS, SAC or FAR measurement method.
Unlike CDNs, CDNEs are not appropriate for immunity measurements.
The TekBox TBCDNE-M3 is designed for measuring EUTs with PE, Neutral, and Line connections. TekBox offers the TBCDN-M2 model for measuring EUTs that do not have a PE (Earth) connection.
Specifications:
- Compliance: CISPR 15 (IEC / EN 55015) Edition 9, CISPR 16-1-2, CISPR 16-2-1
- Maximum supply voltage: 300V AC, 600V DC
- Maximum current: 16A
- Frequency range: 30 MHz – 300 MHz
- Common mode impedance: 150 Ω +10 / – 20 Ω (EUT port)
- Phase response: 0° ± 25° (EUT port)
- Differential mode impedance: 100 Ω ± 20 Ω (EUT port)
- Voltage Division Factor: 20 dB ± 1.5 dB (EUT to RF output)
- AE to EUT decoupling: > 30 dB
- AE to RF output decoupling: > 30 dB
- RF output connector: N – female
- EUT / AE connectors: 4 mm banana safety jacks, 4 mm slots in base plate for GND connection
- Housing material: powder coated aluminium, stainless steel base plate
- Dimensions: 300 x 150 x 150 mm
- Weight: ca. 2.5 kg
- Included: NIST traceable calibration data
- Optional accessories:
- Adapter panel with shorting bar and N-connector
- 50 Ω to 150 Ω adapter panel for VDF measurement / calibration
- OSL adapters for common mode impedance measurement / calibration
- Balun and OSL adapters for differential mode impedance measurement / calibration
Batter Fly s.r.l. is an Italian company established in 2002 with VAT number IT02235301203
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