At 12/21/2005 01:28 AM, you wrote:
>I just tuned a set of 641's with my IFR1500, a couple of 3dB pads, and a
>dummy load for the unused port while tuning it up. That's all you should
>need to get them tuned. You can also use the RL bridge to optimize the 50
>ohm match. See this article:
>http://www.eagle-1st.com/notes/duplex/body.htm
Couldn't one use a directional coupler instead of a RL bridge? The
directivity probably wouldn't be quite as good, but a surplus coupler would
be a lot cheaper.
Bob NO6B
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