Murray Greenman wrote: > Magnus, > > Thanks for your reply. Yes, I believe Leon has 30dB gain post mixer. He > is using an FSS 1000E as his mixer. So, we don't think the problem is > slew-rate limiting. Your suggestions for checking the performance with > changes in level is a good one. > > This is an area of counting I've not considered before. We are working > with the chip manufacturers, and they report the problem, which we would > like to replicate. Personally I can't see it as an issue, but it has > been raised, and we would like to understand how to measure it. The chip > manufacturer has a high-speed A-D system and some method (unknown to us) > for post-processing the data. > > I've suggested that Leon reply to you directly, as he has a better grip > on what the problem and requirement is. I understand that the problem is > relayed to warm-start TTFF performance in a GPS application. > > Regards, > Murray Greenman > > Murray
Just adding a post mixer amplifier of unspecified bandwidth isnt the optimum way of amplifying the slope of a signal. Using a cascade of stages with the gain and bandwidth increasing for each successive stage will produce an amplified signal with less jitter than just using a single gain stage. Bruce _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
