Our SA9130 spectrum analyzer can used to measure the modulation depth. As below picture shown, according to the formula, the modulation depth is 50%. If you want to know more features, welcome to consult. #Spectrumanalyze r#TestEquipment #TestingSolution #QualityAssurance #TestandMeasurement #TestAutomation #ProductTesting #ElectronicTesting #LabEquipment #CalibrationServices