[Amps] [Elecraft] attenuator in amp was Re: K3 and Expert 1K-FA

Paul Christensen w9ac at arrl.net
Wed Apr 21 16:17:58 PDT 2010


> A 3dB pad gives 6 dB return loss. For example if load SWR is 2:1 (5.5dB 
> RL) and we add a 3 dB pad, return loss is 9.5 dB (1.4:1 SWR).

Yes, that's right, 3 dB per trip to and from the load.  Not 3 dB in total as 
I indicated.

Paul, W9AC




More information about the Amps mailing list