I believe Mr. Cuthbert is correct, but that doesn't change the fact that CISPR 16 specifies 6 dB bandwidths.
> From: [email protected] > Date: Thu, 28 Aug 2003 15:47:55 -0600 > To: <[email protected]>, <[email protected]>, > <[email protected]> > 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:[email protected]] > 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" <[email protected]> >> Reply-To: "Charles Grasso" <[email protected]> >> Date: Thu, 28 Aug 2003 07:06:13 -0700 >> To: "Emc-Pstc" <[email protected]> >> 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: >> [email protected] >> with the single line: >> unsubscribe emc-pstc >> >> For help, send mail to the list administrators: >> Ron Pickard: [email protected] >> Dave Heald: [email protected] >> >> For policy questions, send mail to: >> Richard Nute: [email protected] >> Jim Bacher: [email protected] >> >> 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: > [email protected] > with the single line: > unsubscribe emc-pstc > > For help, send mail to the list administrators: > Ron Pickard: [email protected] > Dave Heald: [email protected] > > For policy questions, send mail to: > Richard Nute: [email protected] > Jim Bacher: [email protected] > > 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: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Ron Pickard: [email protected] Dave Heald: [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] 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
