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1. Topband: Required switch attenuation... (score: 1): Author: "Dan Zimmerman N3OX" <n3ox@n3ox.net>; Date: Tue, 11 Sep 2007 11:49:53 -0400; I just wanted to check this with those with practical experience. If you have a few flags in a few directions and want to build a switch, how much attenuation between ports do you need? I'm thinking; /archives//html/Topband/2007-09/msg00062.html (7,335 bytes)
2. Re: Topband: Required switch attenuation... (score: 1): Author: "K9AY" <k9ay@k9ay.com>; Date: Tue, 11 Sep 2007 17:11:07 -0500; from N3OX: Dan, Dont' know what you'll hear from others, but 50 dB is the minimum I aim for, and 60 dB is better. Depending on your situation, you might find 40 dB acceptable. My primary need for hig; /archives//html/Topband/2007-09/msg00069.html (7,297 bytes)
3. Re: Topband: Required switch attenuation... (score: 1): Author: "Michael Tope" <W4EF@dellroy.com>; Date: Tue, 11 Sep 2007 15:36:56 -0700; I don't think you'll have too much trouble getting 40 or 50 dB attenuation at 2 MHz, Dan. Small DIP relays for instance should give isolation on order of at least 70 to 80 dB at 2 MHz (probably more); /archives//html/Topband/2007-09/msg00070.html (8,702 bytes)

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