Low cost method: An MFJ (mfj enterprises) MFJ-269B impedance analyzer covers 1.7-170 MHz and 420-450 MHz. It will give you the R and X up to 600 ohms. Price is about $370. A very useful item to have around the lab.
Dave Cuthbert Micron Technology From: [email protected] [mailto:[email protected]]On Behalf Of robert Macy Sent: Thursday, December 18, 2003 11:40 AM To: Grasso, Charles; [email protected] Subject: Re: Measuring a ferrite performance At the risk of collecting the ire of the instrument manufacturers, look at buying an "up to 500MHz" network analyzer. Do an in house demonstration. - Robert - Robert A. Macy, PE .. [email protected] 408 286 3985 . . . .. . . fx 408 297 9121 AJM International Electronics Consultants 101 E San Fernando, Suite 402 San Jose, CA 95112 On Thu, 18 Dec 2003 10:40:09 -0700 "Grasso, Charles" <[email protected]> wrote: > Greetings all: > > I have a requirement to test the performance of ferrite > bead (one that > that can fit over a power cord) to 500MHz for > qualification of > alternate vendors. > > I have an impedance analyser - but it only goes to 40MHz. > Does anyone > have a good way to verify ferrite impedance.?? > > Thanks > > Best Regards > Charles Grasso > Senior Compliance Engineer > Echostar Communications Corp. > Tel: 303-706-5467 > Fax: 303-799-6222 > Cell: 303-204-2974 > Email: [email protected]; > <mailto:[email protected]; > > > Email Alternate: [email protected] > <mailto:[email protected]> > > This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ieee-pses.org/ 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] 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.ieee-pses.org/ 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] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
