>
>>Ä Unfortunately, SB-220 on/off switches fail in CW or SSB position. What
>>is needed is a Stepstart.
>
>
>
>Although I agree, what would you rather have them see, higher or lower R? I
>would tend to think that the higher R of the primary in CW position
>(meaning, more turns) would lead to less of a drain on the on/off switch..
>As well as less stress on the diodes / caps in the power supply.
>
The on/off switch passes more current when the 220 (or 922) is started
on the SSB position instead of the CW position. However, either CW or
SSB switch position on startup will eventually result in switch failure.
The anode supply inrush is simply too much either way.
- Rich..., 805.386.3734, www.vcnet.com/measures.
end
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