https://ez.analog.com/data_converters/high-speed_dacs/f/q-a/580051/the-ad9747-output-square-wave-signal-contains-even-harmonics
The AD9747 output square wave signal contains even harmonics - Q&A - High-Speed DACs - EngineerZone
The square wave signal should be a combination of countless odd harmonics, but the AD9747 will produce even harmonics when the frequency of the square wave is...