Yes, I recommend using MCX/SMB. We use MCX, SMB and MMCX but the MMCX in my opinion is to avoid.
On Sun, Apr 1, 2012 at 12:13 AM, Magnus Danielson < [email protected]> wrote: > On 03/31/2012 10:08 PM, Javier Serrano wrote: > >> On Sat, Mar 31, 2012 at 9:24 PM, Achim Vollhardt<[email protected]> >> wrote: >> >>> I do work in high energy physics and we use LEMO and other standards. For >>> some years now, I have started to advertise against LEMO (in particular >>> the >>> LEMO 00 size), as it is VERY sensitive to mechanical defects and partial >>> connection (yes, you can ..). We have found very often defective LEMO >>> connections, which could only be detected via time domain reflectometry. >>> Or >>> LEMO interfaces, which changed impedance significantly when rotating >>> them in >>> the fully mated position.. this list could be extended a lot more. And >>> this >>> famous click when mating is inaudible in typical high energy physics >>> electronics barracks.. too much fan noise. >>> >>> In addition, for the very fast signals of modern DAQ systems, LEMO 00 is >>> just not up to speed (literally) anymore. If size is not of ultimate >>> importance, we switched to SMA, or SMC if size matters. >>> >> >> I am very interested in this, since we just decided to use LEMO 00 >> over SMC in some of our designs: >> http://www.ohwr.org/projects/fmc-projects/wiki/SMC_vs_LEMO >> This is for ~100MHz work, so bandwidth was not an issue. Compatibility >> with legacy was the major criterion in our case. >> I would be interested in reading what people are using as coax >> connectors in space-constrained environments like FMC, and why. >> > > You should have included SMB in that comparison. It would have been a > closer match to the LEMO 00. > > Cheers, > Magnus > > > _______________________________________________ > 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. > _______________________________________________ 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.
