HB9DRV wrote:
>Always use isolation transformers
I was getting line noise hum on the AUX I/O audio output
of Orion into the Soundblaster card in my computer. I bought
the following isolation transformer from Radio Shack for $3.99
and it completely eliminated all hum:
http://www.radioshack.com/product.asp?MSCSProfile=745D84CBF04D14A48AA6FF9C89D722C0BA68C1B04FE384678A5285FCD6E056B17AF21627FDABE316B90B3C038D68EBD6B7F9F3BD1712EAA9951ACB2590A05C6517EFE46941FEFDD1985D4EFD6321F5E70B4DE9B6C1D45512DCD9FB3DBCACB9478026FADA63615137F455086079B1308F7B8BC027D7559B68A1131FC27A46E8551F16B4D9BEAF0FC4&cookie%5Ftest=1&catalog%5Fname=CTLG&product%5Fid=273-1374
73, Bill W4ZV
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