[TowerTalk] Antenna switch isolation?

[K1TTT]

Yes, unless you are planning on hooking a receiver up to that port!


David Robbins K1TTT
e-mail: mailto:k1ttt at arrl.net
web: http://www.k1ttt.net
AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
 

> -----Original Message-----
> From: Martin Sole [mailto:msole at loxinfo.co.th]
> Sent: Saturday, June 05, 2010 02:58
> To: TowerTalk at contesting.com
> Subject: [TowerTalk] Antenna switch isolation?
> 
> How much isolation should I be aiming for in a remote relay switch box. I
> have some 30A rated relays that look as if they will handle a fair amount
> of
> power. I can see only about 40dB of isolation across the open contact. I
> don't need it to go above 30MHz and 2kW handling should be fine. Antenna
> connections will be all low impedance. So 1kw into the common port will
> give
> me about 10mW at the open port, enough?
> 
> 
> 
> Martin, HS0ZED
> 
> 
> 
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