Measurement of carrier frequency of modulated waves using a spectrum analyzer.

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last updated：Aug 31, 2023

マイクロニクス

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[Application Example] We will introduce a method for calculating the carrier frequency of modulated waves using our spectrum analyzer.

Typically, when measuring frequency, instruments such as frequency counters are used. However, when measuring the carrier frequency of modulated waves (such as QPSK, ASK, etc.), the presence of mixed frequencies near the carrier frequency makes it impossible to accurately measure the carrier frequency with a frequency counter. Particularly in the case of modulated waves used in communication, any deviation in the carrier frequency can lead to communication errors, making the accurate measurement of the carrier frequency a critical issue. By using our spectrum analyzer, it is possible to solve this problem. By directly measuring the spectrum of the modulated wave and performing simple analysis based on the results, it is possible to accurately calculate the carrier frequency. 【Product Introduction】 ■ Spectrum Analyzer MSA458 *For more details, please refer to the PDF document or feel free to contact us. 【System Configuration】 ■ Spectrum Analyzer MSA458 *For more details, please refer to the PDF document or feel free to contact us.