[Moon-net] 28 MHz signal splitter

Earl (Jim) Shaffer, WB9UWA wb9uwa at verizon.net
Thu Dec 7 21:42:24 CST 2006


Hi Lance.

Here is the less clumsey answer you were waiting for.
Do your receivers really have a 50 ohm input?
I would be very surprised if they did.
SWR is not a factor in this case.
Even if SWR did cause additional loss, you said you had
plenty of gain.
Just use the T connector and conventient lengths of 50 ohm
coax to your receivers.

Here is another thought.
Does one receiver get WAY more signal then it needs?
Put a series resister in line at the T connector to that receiver.
The other receiver now gets nearly all the RX signal.

73, Jim Shaffer, WB9UWA.



----- Original Message ----- 
From: "Lance Collister" <w7gj at accessoutwest.com>
To: "'moon-net'" <moon-net at list-serv.davidv.net>
Sent: Thursday, December 07, 2006 1:13 PM
Subject: [Moon-net] 28 MHz signal splitter


>I am planning to divide the output of my 28 MHz receive converter
> between my main receiver (TS830S) and a new secondary receiver (SDRIQ).
> I am planning to do this with a BNC T connector and two 1/4 wavelength
> long pieces of 75 ohm RG59-U coax.  I seem to have plenty of gain out of
> my converter for this (I have to use a step attenuator on the converter
> output now, to prevent from overdriving the receiver) but I wonder if
> there might be a less clumsy way to do this than what I have been
> planning.  TNX and 73, Lance
>
>
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