Andy,The Clifton Labs Norton and the RPA-1 are both Push-pull designs and thus have high >+80dBm second order intercepts. This is essential to avoid BCB mixing products affecting TB.
Single ended amplifiers like the W7IUV may need some pre BCB filtering.
73 Andrew Ikin G8LUG _________________ Topband Reflector Archives - http://www.contesting.com/_topband
