But the RF now exists in a 377 ohm system.
From: [email protected] [mailto:[email protected]] On Behalf Of Bill Stumpf Sent: Thursday, January 13, 2005 11:39 AM To: [email protected]; [email protected] Subject: RE: Question on RF conversion Lisa, Here's how I calculate the conversion, assuming a 50 ohm system. 1) 5W x 50 ohm = 250 2) square root of 250 = 15.81V To convert to dBuV: 1) 15.81/.000001 = 15811388.3uV 2) 20log 15811388.3 = 144dBuV Bill Stumpf DLS Electronics 166 South Carter St. Genoa City WI 53128 ph: 262-279-0210 fx: 262-279-3630 email: [email protected] From: [email protected] [mailto:[email protected]] On Behalf Of [email protected] Sent: Thursday, January 13, 2005 8:31 AM To: [email protected] Subject: Question on RF conversion Good morning all, Quick question, maybe.. If I have a Walkie Talkie that emits 5W at 430MHz, how does this translate to V/m so that I can correlate the field strength with radiated immunity testing? Thank for any input Regards, Lisa This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to [email protected] Instructions: http://listserv.ieee.org/listserv/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas [email protected] Mike Mcantwell [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 Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to [email protected] Instructions: http://listserv.ieee.org/listserv/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas [email protected] Mike Mcantwell [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 Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to [email protected] Instructions: http://listserv.ieee.org/listserv/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas [email protected] Mike Mcantwell [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
