Thanks for catching this Dave. This means this single device can be used for
both transmit and receive.
I didn't read what comes in the box and not sure if it's just a single 1/8"
adapter, but seems so. Not bad for price I guess.
Thanks for the replies.
73, Don AA5AU
>________________________________
> From: Dave Hachadorian <k6ll@arrl.net>
>To: RTTY reflector <rtty@contesting.com>
>Sent: Wednesday, April 4, 2012 12:19 AM
>Subject: Re: [RTTY] RadioShack isolation transformer replacement
>
>Interesting. These are stereo devices, so there must be two
>transformers in there.
>
>A Google search turns up a lot of inexpensive similar devices.
>
>Here's one with male & female RCA's:
>http://tinyurl.com/6o5mqmy
>
>Here's one with 3.5 mm:
>http://tinyurl.com/77qz583
>
>Here's one in a spiffy metal box:
>http://tinyurl.com/85bbqzr
>
>I have no idea how effective they are.
>
>
>Dave Hachadorian, K6LL
>Yuma, Arizona
>
>
>
>
>-----Original Message-----
>From: Don Hill AA5AU
>Sent: Tuesday, April 03, 2012 9:18 PM
>To: 'RTTY'
>Subject: [RTTY] RadioShack isolation transformer replacement
>
>Since I couldn't operate because of weather last night, I took
>time to fabricate a RadioShack audio isolation transformer that I
>had
>in the junk drawer (was p/n 273-1374) into a small plastic
>project box with two RCA jacks so I could use it on a 2nd radio
>for JT65
>AFSK transmission.
>
>Today I decided to check the local RadioShack store to see if
>they still sold this transformer and I couldn't find it. I looked
>online on their website and that part number is no longer valid
>and I could not find the transformer. Instead I found what they
>are
>calling a "Ground Loop Isolator". I have a strong suspicion that
>it's basically the same thing built into an enclosure with leads
>coming out of it with RCA audio plugs. It's on their website as
>p/n 270-054, shown here:
>
>http://www.radioshack.com/product/index.jsp?productId=2062214
>
>I wonder if anyone is using one of these to route audio to/from
>their PC to their radio? Seems like a slick solution. I need to
>update my RTTY webpages if indeed this "Ground Loop Isolator"
>will replace the old audio isolation transformer. I read through
>all
>the reviews. All but two were positive at getting rid of hum on
>audio but all were from those using it with sound systems and
>none
>from hams. I see no reason why it wouldn't work for us hams.
>
>The only problem I see with it, is that you would have to use an
>RCA female to 1/8" phono plug adapter in order to plug it into
>your
>PC sound card or else cut off the RCA plugs install your own 1/8"
>phono plugs.
>
>Some of us still use homebrew interfaces and audio cables!
>
>Thanks!
>
>73, Don AA5AU
>http://www.aa5au.com
>http://www.rttycontesting.com
>
>
>_______________________________________________
>RTTY mailing list
>RTTY@contesting.com
>http://lists.contesting.com/mailman/listinfo/rtty
>
>_______________________________________________
>RTTY mailing list
>RTTY@contesting.com
>http://lists.contesting.com/mailman/listinfo/rtty
>
>
>
_______________________________________________
RTTY mailing list
RTTY@contesting.com
http://lists.contesting.com/mailman/listinfo/rtty
|