K & L makes a series of tunable band rejection filters. You can often find them on eBay for $200 or so. These will give you about 50 dB rejection over a 5% bandwidth. A program that I worked on also had bought a fixed-frequency band rejection filter from K & L to reject 470 MHz to about 85 dB. http://www.klmicrowave.com/ Ed Price [email protected] WB6WSN NARTE Certified EMC Engineer & Technician Electromagnetic Compatibility Lab Cubic Defense Applications San Diego, CA USA 858-505-2780 (Voice) 858-505-1583 (Fax) Military & Avionics EMC Is Our Specialty
_____ From: Elliott Mac-FME001 [mailto:[email protected]] Sent: Tuesday, February 28, 2006 9:03 AM To: [email protected] Subject: 1850 - 1920 [CDMA TX Band] Notch Filter Does anyone know of a good off-the-shelf filter for rejecting the fundamental in the CDMA TX band [North America] for measuring transmitter spurious emissions? Best Regards, Mac - ---------------------------------------------------------------- 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/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 Cantwell [email protected] For policy questions, send mail to: Jim Bacher: [email protected] David Heald: [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/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 Cantwell [email protected] For policy questions, send mail to: Jim Bacher: [email protected] David Heald: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
