This may help: http://www.repeater-builder.com/rbtip/notchduptuning.html
Kevin Custer vikas gupta wrote: > please advise me how i tune the duplexr of Tx (811.1-819.2MHz) Rx > (856.1-864.2 MHz) . I am tuning this by desigig band reject notch type > duplxer but I have a problem in achieving 1 dB insertin loss and 70 dB > iisolation on low and high side. > I am using 1 PF capacitor on high side . > > please suggest me how I design the duplexer and get 8 MHz broad notch. > saparetion between Tx and Rx is 45 MHz.
