I believe Mr. Cuthbert is correct, but that doesn't change the fact that CISPR 16 specifies 6 dB bandwidths.
> From: drcuthb...@micron.com > Date: Thu, 28 Aug 2003 15:47:55 -0600 > To: <ken.ja...@emccompliance.com>, <cgrassospri...@earthlink.net>, > <emc-p...@ieee.org> > Subject: RE: Q. on Res Bandwith performace traceabiity > > I think that Spectrum Analyzer IF filters are specified at the 3 dB points. > Communication receivers are spec'ed at the 6 dB and 60 dB points. > > Dave Cuthbert > Micron Technology > > -----Original Message----- > From: Ken Javor [mailto:ken.ja...@emccompliance.com] > Sent: Thursday, August 28, 2003 1:48 PM > To: Charles Grasso; Emc-Pstc > Subject: Re: Q. on Res Bandwith performace traceabiity > > > > My understanding is that it is the 6 dB points which are cited as the > bandwidth. I'm not up on CISPR 16 but to entirely specify the bandwidth the > 60 dB down points are also specified. The slope you get from the 6 dB to > the 60 dB points is called the shape factor. >> From: "Charles Grasso" <cgrassospri...@earthlink.net> >> Reply-To: "Charles Grasso" <cgrassospri...@earthlink.net> >> Date: Thu, 28 Aug 2003 07:06:13 -0700 >> To: "Emc-Pstc" <emc-p...@ieee.org> >> Subject: Q. on Res Bandwith performace traceabiity >> >> >> Greetings: >> >> Does anyone know if the Resolution Bandwidth >> filter performance is tracable to a given standard >> and which standard that might be? >> >> I was wondering if the rool-off after the 3dB points >> is specificed as a standard for ALL analysers. >> >> I am assuming that the anaswer is Yes as chaos >> would reign!! >> >> ------------------------------------------- >> This message is from the IEEE EMC Society Product Safety >> Technical Committee emc-pstc discussion list. >> >> Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ >> >> To cancel your subscription, send mail to: >> majord...@ieee.org >> with the single line: >> unsubscribe emc-pstc >> >> For help, send mail to the list administrators: >> Ron Pickard: emc-p...@hypercom.com >> Dave Heald: emc_p...@symbol.com >> >> For policy questions, send mail to: >> Richard Nute: ri...@ieee.org >> Jim Bacher: j.bac...@ieee.org >> >> Archive is being moved, we will announce when it is back on-line. >> All emc-pstc postings are archived and searchable on the web at: >> http://www.ieeecommunities.org/emc-pstc >> > > > ------------------------------------------- > This message is from the IEEE EMC Society Product Safety > Technical Committee emc-pstc discussion list. > > Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ > > To cancel your subscription, send mail to: > majord...@ieee.org > with the single line: > unsubscribe emc-pstc > > For help, send mail to the list administrators: > Ron Pickard: emc-p...@hypercom.com > Dave Heald: emc_p...@symbol.com > > For policy questions, send mail to: > Richard Nute: ri...@ieee.org > Jim Bacher: j.bac...@ieee.org > > Archive is being moved, we will announce when it is back on-line. > All emc-pstc postings are archived and searchable on the web at: > http://www.ieeecommunities.org/emc-pstc > This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail to: majord...@ieee.org with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Ron Pickard: emc-p...@hypercom.com Dave Heald: emc_p...@symbol.com For policy questions, send mail to: Richard Nute: ri...@ieee.org Jim Bacher: j.bac...@ieee.org Archive is being moved, we will announce when it is back on-line. All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
