On Tue, 23 Aug 2011 12:01:56 -0600 "Tod" <t...@k0to.us> writes: > Jim is correct. You can look in the ARRL Handbook for resistor > combination > that will give you the attenuation you desire while keeping the > impedance at > a suitable value. > > 73, Tod, K0TO
FWIW...there's also a rather old, but very useful book posted on the net that has tables and formulas for resistive attenutators and a lot of other things. The file is ~3.59 m/b in size. http://136.159.225.44/AlliedData.pdf 73, Charlie, N0TT _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK