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Metrology

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MESA Solutions specialises in measurement science, and uses both frequency domain (FD) and time domain (TD) techniques to investigate EMC and interference problems. This is true for both radiated and conducted noise measurements. Some of the tools that MESA uses  include various antennas, current probes, spectrum analyzers, oscilloscopes and time domain measurement devices using FPGA technology.

Conducted noise measurements are made using a common mode (CM) current probe and Rogowski coils. A large CM probe is used up to 1 GHz, while a smaller CM probe is used up to 3 GHz.

Photo by Nick van der Leek

The frequency range that MESA's antennas cover is 9 kHz to 10 GHz. These include:

  • Loop Antenna [9 kHz to 30 MHz]
  • Dipole Antenna [25 MHz to 80 MHz]
  • Resistive Monopole Antenna [30 MHz to 280 MHz]
  • Large Log Periodic Dipole Array (LPDA) Antenna [80 MHz to 1.3 GHz]
  • Small Log Periodic Dipole Array (LPDA) Antenna [300 MHz to 10 GHz]