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505finals [2007/04/06 22:34]
n5na created
505finals [2007/05/20 20:42] (current)
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 Ron, AA5NI....... Ron, AA5NI.......
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 +**July 19, 2001**
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 The Motorola RF Device data book suggests a 2n3553 as a direct replacement for your 2n2631. The Motorola RF Device data book suggests a 2n3553 as a direct replacement for your 2n2631.
  
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 +**July 19, 2001**
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 Some time ago, the original transistors used in the 505 became obsolete, it was said.   The Ten Tec list reported the 2N3553 could be used for a replacement final, (two are required). ​ But, the once common 2N3553 is also hard to come by. Some time ago, the original transistors used in the 505 became obsolete, it was said.   The Ten Tec list reported the 2N3553 could be used for a replacement final, (two are required). ​ But, the once common 2N3553 is also hard to come by.
  

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