On Thu, Jun 21, 2012 at 2:59 PM, DAVID CUTHBERT <[email protected]>wrote:
> The W7NQN line filter is a differential-mode filter. You need a filter that > is designed for common-mode filtering. > > Dave WX7G This is from the web page advertisement: --------- Compare this with a Brand "C" filter which only handles common-mode interference problems. The NQN AC power-line filters are optimized for common-mode and differential-mode filtering and have about 3 times the components of brand "C". --------- Seems to specifically include common mode. See http://arraysolutions.com/Products/nqnaclinefilter.htm 73, Guy. _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK
