ee05s030
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Posts: 3
India
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Check out the signal generator's datasheet for the noise power in ur freq range of interest or, If u have a spectrum analyzer, u can determine the noise contributed by the signal generator or, just do a idle channel test on ur modulator by removing the signal generator and see if the noise floor reduces. if it does, one possibility is that the signal generator is not good enough to be used for determining the peformance of ur modulator
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