On Fri, 2 Oct 2020 21:34:17 +0000, MARIO DE ARANZETA <n4...@bellsouth.net> wrote:
> I've read information on several websites about extremely low power devices > for Japan. The fundamental limit being 500uV/m@3m for frequencies below 322 > MHz. Does anyone know if this is a Q-P or Average.Also what is the limit for > harmonics? It is slightly complex. For example in 30 MHz to 1 GHz range, measure the emission with QP, PK with RBW = 100 kHz, and PK with RBW = 1 MHz, and o PK(1MHz) - PK(100kHz) <= 3 dB --- use QP value o 3 dB < PK(1MHz) - PK(100kHz) <= 7 dB --- use PK(1 MHz) value o 7 dB < PK(1MHz) - PK(100kHz) --- use PK(1MHz) value + 5 dB No special limit for harmonics, and same limit (500 uV/m for f < 322 MHz, 35 uV/m for 322 MHz <= f <= 10 MHz, ...) can apply. Regards, Tom -- Tomonori Sato <vef00...@nifty.com> URL: http://t-sato.in.coocan.jp - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <emc-p...@ieee.org> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://www.ieee-pses.org/list.html (including how to unsubscribe) List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <sdoug...@ieee.org> Mike Cantwell <mcantw...@ieee.org> For policy questions, send mail to: Jim Bacher: <j.bac...@ieee.org> David Heald: <dhe...@gmail.com>
