>
>
>>>>>Re: SB-220 on 10 M.
>>>>>
>>>>>K4AB damaged the bandswitch
>>>>>
>>>>>¸ Did he damage the bandswitch through error?
>>>>>
>>>>>Yeah, Heathkits....not voodoo.
>>>>>
>>>>>Barring spilt coffee, the withstanding potential of the Heath
>>SB-220
>>>>
>>>>>bandswitch is slightly over 5000v.
>>>>>
>>>>>
>>>>>5000V from where to where?
>>
>>>> across open contacts
>>>
>>>Not very believable or likely Rich. A contact spacing of .188" is
>>barely
>>>adequate for 2700V of RF.
>>>
>>Ä I have high-potted several SB-220 bandswitches which measured
>>c.5kV. The Sagadenki bandswitch used in the TL-922 has a similar breakdown
>> voltage. // Do you own a high-potential tester, Carl?
>
>I sure do Rich or did you forget that I got the cap from you?
? no. I did not know if you built a high-pot with it.
>So what voltage AC RMS have you tried or was it strictly DC?
? DCV - which is virtually identical to 60Hz peak-V
Rich...
R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures
--
FAQ on WWW: http://www.contesting.com/ampfaq.html
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
Search: http://www.contesting.com/km9p/search.htm
|