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LISN-16U Unbalanced Very High Frequency Line Impedance Stabilization Network (15A, 30-300MHz, Unbalanced VHF LISN)

The model LISN-16U, Unbalanced Very High Frequency Impedance Stabilization Network (Unbalanced VHF LISN) is a network designed to define the RF termination impedance of AC mains cables leaving a test volume used for radiated EMI measurements. It is designed to have defined, non-symmetrical line impedances, resulting in an unbalanced load with controlled conversion of differential mode currents to common-mode currents.

Features

  • Designed for both 2 wire or 3 wire setups
  • Ultra-Compact Design System for 15A, 30-300 MHz
  • Provides a defined CM and DM impedance to improve test result repeatability
  • Provides a specific degree of conversion from DM to CM
  • Customization of enclosure is available
  • Customization of Inlet/Outlet is available
  • Conforms to CISPR 16-1-4

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Description

1.    Description

The model LISN-16U, Unbalanced Very High Frequency Impedance Stabilization Network (Unbalanced VHF LISN) is a network designed to define the RF termination impedance of AC mains cables leaving a test volume used for radiated EMI measurements. It is designed to have defined, non-symmetrical line impedances, resulting in an unbalanced load with controlled conversion of differential mode currents to common-mode currents.

2.    Features

  • Designed for both 2 wire or 3 wire setups
  • Ultra-Compact Design System for 15A, 30-300 MHz
  • Provides a defined CM and DM impedance to improve test results repeatability
  • Provides a specific degree of conversion from DM to CM
  • Customization of enclosure is available
  • Customization of Inlet/Outlet is available
  • Conforms to CISPR 16-1-4

3.     Applications

  • General radiated emission measurement (EMC/EMI)
  • Controlled differential-mode to common-mode conversion
  • Preventing high-frequency noise of the power source from coupling into a system

4.    Specifications

Unbalanced 2/3 wire UHF LISN
Frequency Range 30 – 300 MHz
Live-line to PE Impedance 160 Ω +/- 40 %
Neutral-line to PE Impedance 60 Ω +/- 40 %
PE-line to RGP Impedance 90 Ω +/- 40 %
Impedance Phase 0 +/- 40˚
Power Line Frequency DC to 400 Hz
Maximum Current 15 A RMS
Maximum AC Voltage 250 VAC, 50/60 Hz
Input Connector US T-SLOT RECEPTACLES
Output Connector IEC Inlet
Isolation Better than 40 dB
Dimension 130 × 80 × 60 mm
Weight 1 kg
Installation Method On or under floor
Temperature 0 °C to 105 °C (32 °F to 220 °F)

 

Documents

LISN-16U Unbalanced Very High Frequency Line Impedance Stabilization Network DATASHEET (PDF)