On Jun 6, 2006, at 9:03 AM, Peter Chadwick wrote:
>> From what Colin told me in a private email, it seems to me that
>> the SB220 bandswitch is right on edge for the kW input power
>> level, and too small at 1500 watts for safety.
The measured breakdown potential of a SB-220 bandswitch is c. 4900v
at sea-level. At 390v peak output into 50-ohms, the actual potential
across open bandswitch contacts is c. 2600v-pk.
>
R L MEASURES, AG6K. 805-386-3734
r@somis.org
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