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intermodulation distortion
(redirected from intermodulation)

   Also found in: Dictionary/thesaurus, Acronyms, Wikipedia 0.02 sec.
(electronics, communications)intermodulation distortion - (IMD) Nonlinear distortion in a system or transducer, characterised by the appearance in the output of frequencies equal to the sums and differences of integral multiples of the two or more component frequencies present in the input waveform.


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Third order intermodulation distortion (note 4*): -50 dBc (At average output power of over 60W).
The DAC5687 delivers a signal-to-noise-ratio (SNR) greater than 75 dBFS and 3rd order intermodulation (IMD3) greater than 81 dBc while allowing multi- carrier systems to operate with higher output power.
If a single excitation frequency is present, new frequency components will appear at harmonics of the excitation frequency, and if multiple excitation frequencies are present, new frequency components will appear at the intermodulation products as well as at harmonics of each of the excitation frequencies.
 
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