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AD9833 & Duty Cycle

Question asked by nikos_ph on Sep 5, 2013
Latest reply on Sep 13, 2013 by nikos_ph

I use the evaluation board of AD9833 to produce square wave. In low frequencies (1-400000Hz) everything is OK, but in higher frequencies up to 1Mhz (this is the limit), the duty cycle is unstable making difficult to measure the frequency using osciloscope, the value is near with the programmed one but unstable. What is wrong?