>
>> It is possible to construct an output switch using standard components
>> that greatly exceeds the normal switch voltage ratings. By using a
>> separate wafer for each band and having each wafer separated by a spacer,
>> and by using a non-conducting shaft and ceramic or other non conducting
>> spacers for the two bolts holding the assembly together, the breakdown
>> voltage can be increased ten fold.
>>
>> I believe all of the components required are off the shelf and
>> inexpensive.
>
>The rotor to contact breakdown sets the limit. You can increase
>the other parameters, but not that one.
>
>That's the problem in the SB-220, AL-80 series style switches, as
>well as the JV-9000 series.
>
>It's also the limit in the RSC switches.
>
>That's the switch killer, and it shows up on the 160 meter padding
>capacitor on the tuning cap side and on the ten meter tap.
>
see toasted bandswitch photos on my Web site.
cheers
- Rich..., 805.386.3734, www.vcnet.com/measures.
end
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