At 06:31 PM 3/21/2007, you wrote: >Ken, thanks for the input. > >So if I were to adjust the band pass can to have 3 db loss (it's at >0.5 db right now) and steeper skirts, it would raise the noise figure >about 2.5 db as well.
<----Yup. *Any* loss, be it in the duplexer, feedline to the antenna, etc. that is ahead of the preamp adds that loss as noise to the system. >That seemed like a good trick at first, but still raises the noise figure. > >Obviously lower noise figure is better, but is there some place where >the trade off would be worth it? Maybe I'm not asking the question >properly. <--What make and model preamp are you running? Or at least, what is it spec'd for gain-wise? Ken ------------------------------------------------------------------------------ President and CTO - Arcom Communications Makers of the world famous RC210 Repeater Controller and accessories. http://www.arcomcontrollers.com/ Coming soon - the most advanced repeater controller EVER. Authorized Dealers for Kenwood and Telewave and we offer complete repeater packages! AH6LE/R - IRLP Node 3000 http://www.irlp.net
