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| Equipment recommendation for PCB TDR analysis / S-parameter extraction |
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| tggzzz:
--- Quote from: dr_chernobyl on April 09, 2024, 10:16:34 am --- --- Quote from: Bud on April 08, 2024, 11:17:02 pm --- --- Quote from: dr_chernobyl on April 08, 2024, 07:38:58 am ---I am doing some equipment research for my company for buying the instrument which would be capable of TDR analysis of relatively short PCB transmission lines... --- End quote --- How short ? --- End quote --- for example we would like resolution of about 1-1.5mm on PCB to see what is exactly happenning on each segment, and as I understand you need pretty fast incident risetime for such resolutions --- End quote --- Fun :) I strongly suggest you find out what risetime/bandwidth will be necessary for that. If nowhere else, start with Bogotin's rules of thumb. There's also the simple point that if it can be determined your system "won't care" about such short lengths, then you needn't measure them. Such advance determination would be sound practical engineering. Again, Bogotin might provide a starting point. |
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