[Elecraft] Switching Power Supplies

Wed Apr 3 00:46:01 2002

Rick Shindley
Product Review  Joe Bottiglieri, AA1GW
QST September 2000 page 76-79
Alinco DM-330MV

..."we were unable to locate any supply-generated interference in the
receivers in the course of field testing to use to investigate this
system's
effectiveness-- a testament to the spectral "cleanliness" of the
DM-330MV's
output."
Diamond GZV4000
--"NO NOTICIABLE increase in broadband noise or spurious signals within
the tuning range of the connected transceivers, or changes in the quality
of the
transmitted signals, WERE OBSERVED.

QST Product Review January 2000 issue refers to reviews on the Astron
SS-30M, the ICOM PS-85, the Kenwood PS-40, the MFJ-4225-mv the 
Samlex SEC 1223 and the Yaesu FP-1023 switching power supplies 
notes that there are certain instances stated where RF noise could create
problems...

Ken Brown-N4SO
Mobile, AL  EM50tk
Elecraft K-1
4 ele. monoband yagi
[email protected]

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