On Jan 23, 2008 4:26 PM, John Miles <[EMAIL PROTECTED]> wrote: > Are you using a noise marker that yields dBc/Hz values? The FFT window > function has its own required noise-response correction value, so if you're > just looking at a marker and doing the log10(RBW) subtraction yourself, that > could account for the difference. > > Also, if there is a noise marker, check to see if it reads dBc/Hz or dBm/Hz. > Most of them read dBm/Hz values, which are obviously only equal to > conventional dBc/Hz values if you're measuring a 0-dBm carrier.
I used the analyzer's phase noise function. It won't make a plot, but will do measurements at a few spot offsets. It's not entirely clear how it is calculating these, though. Matt _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
