>
>For your info, that switch is effectively mall but not so much as it might
>be thought.
>Since 1988, what it was my SB220 has a 3CX1200 replacing the paired 3-500, a
>forced cooling system with chimney (in other words no air to the switch), an
>external PS with a full wave rectifier and the transformer has a
>secondary of 3300V AC 1.2A.
>Even like that, there's no bandswitch failure to report in spite that the
>operator is a contester.
>
>73,
>Mauri I4JMY
>
>PS In a standard SB 220 the RF current is no more than 5-6 A.
>
The Q on 10m is approx. 13 and the anode current is 0.8A. That's more
than 5 to 6A of circulating currrent
>
>
>-----Messaggio Originale-----
>Da: sm5ki <sm5ki@algonet.se>
>A: measures <measures@vcnet.com>; AMPS <amps@contesting.com>
>Data invio: mercoledì 10 novembre 1999 21.31
>Oggetto: SV: SV: [AMPS] Re: SB220 problem
>
>
>>
>> Thanks Rich but you must agree two paralellt tiny receiving type switch
>> contacts is not what you want to have when things go rough after your tenth
>> beer in the night or in a contest. Hej daa de Hans.
>
>
>
>--
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>
- Rich..., 805.386.3734, www.vcnet.com/measures.
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