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Line Impedance Stabilization Networks (LISN)

 

Red pointerFCC part 15
CISPR 22
EN55022
MIL-STD 461
RTCA DO-160
CISPR 25
CISPR 16

 

LISNs

Complete Line of LISN's for to meet the various EMC Test Standards.

LISN stands for 'Line Impedance Stabilization Network'. Com-Power offers a line of LISNs developed for conducted emission testing according to the most commonly adopted EMC specifications like CISPR, FCC, ISO, EN, RTCA DO-160 and MIL-STD 461D. The LISN circuit is designed and constructed to meet the performance criteria given by these standards.

A LISN, or as it is also known, Artificial Mains Network (AMN), as a function of its design, performs the following functions:

  • Provides a defined, stable, impedance to the Equipment Under Test (EUT)
  • Isolates the EUT from the power distribution network (or power source); thereby minimizing potential affects of external influences on the measurements, and facilitating accurate and repeatable results.
  • Provides a near 1:1 (<0.5 dB insertion loss) 50Ω coaxial measurement port (type-N) for connection to a spectrum analyzer or EMI receiver.

Use of a Transient Limiter for impedance matching, reduction of out-of-band emissions and transient protection for your measurement instrument is highly recommended and available from Com-Power.

All Com-Power LISNs are individually calibrated in compliance with the relevant standards.  Impedance, Phase, Isolation, and Insertion Loss data is supplied with each unit, along with the calibration certificate. 

 

CISPR 16 Compliant LISNs

model frequency range inductor rating current rating emi test specification Datasheet
LI-125A 0.15 - 30 MHz 50 uH 25 Amps FCC, CISPR, EN, ANS, NZL pdf pages
LI-150A 0.15 - 30 MHz 50 uH 50 Amps FCC, CISPR, EN, ANS, NZL pdf pages
LI-550A 0.1 - 108 MHz 5 uH 50 Amps CISPR 25 pdf pages
LIN-115A 0.15 - 30 MHz 50 uH 15 Amps FCC, CISPR, EN, ANS, NZL pdf pages
LI-215A 0.009 - 30 MHz 250 & 50 uH 15 Amps CISPR, EN pdf pages
LI-1100 0.15 - 30 MHz 50 uH 100 Amps FCC, CISPR, EN, ANS, NZL pdf pages

MIL-STD 461 and RTCA DO-160 compliant LISNs

model frequency range inductor rating current rating emi test specification DATAsheet
LI-325 0.01- 400 MHz 5 uH 25 Amps RTCA DO-160, MIL-STD 461D pdf pages
LI-400 0.01-10 MHz 50 uH 25 Amps MIL-STD 461D pdf pages

 

 

 

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