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Conducted EMI Test System MR2150


  • Pre-compliance test system for conducted EMI.
  • The development cost can be significantly reduced by debugging and evaluating EUT using this system before testing in the formal EMC site.
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Pre-compliance test system with superior cost performance

Operating stability and usability of this system are fully confirmed because all of components consisting of spectrum/signal analyzer, LISN and PC software have been developed by ourselves. Additionally, each price of those pieces is very reasonable. EMI test environment with superior cost performance is offered.

Spectrum/signal analyzer

Spectrum/signal analyzer can be selected according on budgets and performance / function.

      • MSA438E

        Sweep systems
        Handheld Spectrum Analyzer
         Measurement frequency
        50kHz to 3.3GHz

      • MSA538E
        Real time system + Sweep systems
        Handheld Spectrum Analyzer
         Measurement frequency
        20kHz to 3.3GHz

      • MSA558E
        Real time system + Sweep systems
        Handheld Spectrum Analyzer
         Measurement frequency
        20kHz to 8.5GHz

High Efficiency EMI test by rich software functions

PC software for EMI can correct insertion loss of LISN and cable.

Also, in the auto-sequence mode, PK(peak) over specified level is picked up in wide band and then QP(quasi peak) and AV(average) of chosen spectra are precisely measured in narrow band.

Therefore, the measuring time is greatly shortened.


The most inexpensive LISN with good portability

Our LISN is the most inexpensive although it is equipped with a built-in transient limiter and is more portable, compact and lightweight than others.

Good portability of the LISN and MSA series provides better EMI test environment in a limited space.

    • LISN・MPW201B
      Line Impedance Stabilization Network

Test example

EMI test example of a sample EUT(switching power supply)

The test results of MR2150(MSA558E, MPW201B) in a non-shielded laboratory and a compliance system at a formal EMC site are shown below.


The differences of QP and AV at the noise peak between the two systems are only within ±3 dB or ±4 dB as shown in figures.

Therefore, finding the source of noise and solving the problems using MR2150 before formal test will reduce the total EMI test cost.


*MICRONIX Corporation reserves the right to make changes in design, specification and other information without prior notice.