Tom says: >Are you saying the wideband noise causes the power supplies to >waddle around at a syllabic rate? It had better, even if it means modifying the noise source. Unfortunately, many noise sources don't. 73 Peter G3RZP -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com