Dave tries out the new DS1054Z firmware from Rigol that is supposed to fix the 5us delay jitter issue, and the AC Trigger Coupling jitter issues.<br />Have they fixed it, or is there still a problem?<br />What caused the 5us jitter issues to begin with, Dave also investigates the ADC PLL based sample clock with an e-Field probe and the Rigol DSA815 spectrum analyser.<br />Did Rigol also change the PLL coefficients?<br />Previous video: https://www.youtube.com/watch?v=kcOdzFaIYNE<br /><br />Review Summary: http://youtu.be/ETCOhzU1O5A<br />Full features review: http://youtu.be/W2qdtQkBKhc<br />Teardown: http://youtu.be/kb9P1Am9aFU<br />Jitter Problem: http://youtu.be/kcOdzFaIYNE<br />Reverse Engineering: http://youtu.be/lJVrTV_BeGg<br /><br />ADF4360 PLL datasheet: http://www.analog.com/static/imported-files/data_sheets/ADF4360-7.pdf<br /><br />Forum: http://www.eevblog.com/forum/blog/eevblog-699-rigol-ds1054z-oscilloscope-jitter-fix-testing/<br /><br />EEVblog Main Web Site: http://www.eevblog.com<br />The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2<br /><br />Support the EEVblog through Patreon!<br />http://www.patreon.com/eevblog<br /><br />EEVblog Amazon Store (Dave gets a cut):<br />http://astore.amazon.com/eevblogstore-20<br />Donations:<br />http://www.eevblog.com/donations/<br />Projects:<br />http://www.eevblog.com/projects/<br />Electronics Info Wiki:<br />http://www.eevblog.com/wiki/