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caius MAME Fan Reged: 10/09/06 Posts: 78 Send PM Re: HELP:Measuring refresh rate of PCBs 01/06/11 10:47 AM Reply > the LM1881 is not the best option. use a EL4583 sync splitter from Elantec and make > the circuit shown in the pdf for the dev board they also sell. add a low-pass filter > and you'll get the same readings as MAME (+- 2.0% depending on your equipment) Hi Guru and thanks for replying. Are you referred to this demo board ciruit: http://www.intersil.com/data/tb/tb430.pdf I have to build both circuits? Is it the same EL4583CS-EVAL part that they sell? (but now it's not available and seems to cost a lot) Please, do you know where I can find it? Thanks Edited by caius (01/07/11 01:11 AM)

Entire thread Subject Posted by Posted on HELP:Measuring refresh rate of PCBs caius 01/04/11 01:14 AM Re: HELP:Measuring refresh rate of PCBs italie  01/04/11 04:22 AM Re: HELP:Measuring refresh rate of PCBs caius  01/04/11 03:55 PM Re: HELP:Measuring refresh rate of PCBs italie  01/04/11 06:11 PM Re: HELP:Measuring refresh rate of PCBs caius  01/04/11 08:01 PM Re: HELP:Measuring refresh rate of PCBs italie  01/04/11 08:40 PM Re: HELP:Measuring refresh rate of PCBs caius  01/05/11 10:38 PM Re: HELP:Measuring refresh rate of PCBs italie  01/05/11 10:50 PM Re: HELP:Measuring refresh rate of PCBs caius  01/05/11 11:09 PM Re: HELP:Measuring refresh rate of PCBs italie  01/05/11 11:22 PM Re: HELP:Measuring refresh rate of PCBs caius  01/05/11 11:34 PM Re: HELP:Measuring refresh rate of PCBs TheGuru  01/06/11 09:39 AM Re: HELP:Measuring refresh rate of PCBs caius  01/06/11 10:47 AM Re: HELP:Measuring refresh rate of PCBs TheGuru  01/07/11 09:49 AM Re: HELP:Measuring refresh rate of PCBs caius  01/07/11 12:20 PM

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