Cavity Filter Passes 800 MHz

Feb. 9, 2011

Model AB808B493 is a cavity bandpass filter developed by Anatech Electronics for applications centered at 808 MHz. The 50-Ohm filter features a 33-MHz passband with less than 1.5 dB insertion loss and less than 0.2 dB passband amplitude ripple. Ideal for filtering applications at cellular frequencies, the rugged filter handles 50 W input power using Type N connectors. Its out-of-band rejection is better than 30 dB from 764 to 776 MHz and from 851 to 870 MHz. The compact filter measures 193 x 50 x 45 mm and achieves better than 15 dB return loss in the passband. It is mounted to a system by means of threaded holes.

About the Author

Jack Browne

Technical Contributor

Jack Browne, Technical Contributor, has worked in technical publishing for over 30 years. He managed the content and production of three technical journals while at the American Institute of Physics, including Medical Physics and the Journal of Vacuum Science & Technology. He has been a Publisher and Editor for Penton Media, started the firm’s Wireless Symposium & Exhibition trade show in 1993, and currently serves as Technical Contributor for that company's Microwaves & RF magazine. Browne, who holds a BS in Mathematics from City College of New York and BA degrees in English and Philosophy from Fordham University, is a member of the IEEE.