On 8/4/2010 12:04 AM, Steve Denbow wrote: > > Hello Group! > > I have this board (the one on the RIGHT) in a high band MASTR II > station operating as a 2M repeater. The board on the LEFT is out of > a sister station, which I have information on. I can not find > information on this board (RIGHT) doing a search of the LBI's on the > RB site. A Google search only comes up with a MASTR Exec II > vehicular repeater, which none of the boards in it resemble this > board. It appears to have a preamp built into it, and is part of the > receiver IF section, but that's about all I can figure out looking at > it. Any help would be appreciated! Thanks in advance! > > Steve KD8BIW KD8BIW/R 224.580 PL 110.9 Sponsors: KA8GKT, KD8FTR, > KD8IYX http://www.kd8biw.com
My first thought was a DFE (Dual-Front End), but then I saw the crystal filters, so it is something in the IF region. Noise blanker???

