I've seen other transformers with this frequency range. Covers 400
and 800 Hz used in aircraft.
By memory ( and could be wrong) PAECO stands for Palo Alto
Engineering Company and was bought by Hewlett-Packard who continued to
use the name.
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On 5/30/2024 6:44 PM, Jim Whartenby via groups.io wrote:
Well, he says sheepishly, this is true for the Thordarson, 50-60
cycles.? The PAECO frequency range is from 50 to 1000 cycles. I still
think the PAECO is the all around winner, if this is a contest.
Rechecking the?Stancor, it does say 60 cycles but the bigger mistake is
in the B+ current rating.? I should have said the Stancor P-6013.? The
difference is 90 vs 120 mA.? This may be a problem when the cost is
driving the spec.? Less copper, less iron, lower price.
Regards,
Jim
--
Richard Knoppow
Los Angeles
WB6KBL
SKCC 19998