Power Line Impedance Matching Circuit Network "VHF-LISN"

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last updated：Dec 10, 2025

Excellent frequency characteristics! It is possible to ensure the correlation of measurement data at different test sites.

The "VHF-LISN" stabilizes the impedance of the AC power supply provided to the device under test during interference wave measurements, thereby reducing measurement deviations caused by differences in the AC power supply used. Compared to clamp-type methods, it eliminates the hassle of attachment and detachment, and also prevents setup mistakes. By improving the accuracy of interference wave measurements, it enables high measurement reproducibility and ensures the correlation of measurement data across different test sites. 【Features】 ■ Reduces measurement deviations caused by differences in the AC power supply used ■ Eliminates the hassle of attachment and detachment compared to clamp-type methods, preventing setup mistakes ■ Compact, lightweight, and low-cost ■ Excellent frequency characteristics *For more details, please refer to the PDF document or feel free to contact us.

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basic information

【Specifications】 ■ Frequency range: 30MHz to 300MHz ■ Number of lines: 2 lines ■ Impedance characteristics: 50Ω±20% (N-G, N-L) ■ Phase characteristics (N-G, N-L): 0deg±20deg (N-G, N-L) ■ Isolation characteristics: 40dBc (maximum) ■ Maximum input 　・ Voltage: AC250V 　・ Current: 16A *For more details, please refer to the PDF document or feel free to contact us.