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Re: AO-40 Test 05/08 (long)



Or you can run 1/4-wavelength long 75-ohm coaxial cables to each receiver
and connect them together with a T-adapter at the converter. The cables
transform the input impedance of each receiver to approximately 100 ohms and
loss is then only 3 dB.

73,

John
KD6OZH

----- Original Message -----
From: "Douglas Cole" <n7bfs@qwest.net>
To: "John Stephensen, KD6OZH" <kd6ozh@AMSAT.Org>
Cc: <amsat-bb@AMSAT.Org>
Sent: Thursday, 10 May 2001 02:25 UTC
Subject: Re: [amsat-bb] AO-40 Test 05/08 (long)


> "John Stephensen, KD6OZH" wrote:
> >
> > A power divider will work better as it presents a 50-ohm load at the
> > converter and therefore doesn't degrade the converter output intercept
> > point. Minicircuits power dividers are often available at swapmeets for
> > $5-10.
> >
>
>
> Ahh , so the impedance imbalance would cause a change in the output
> intercept point eh?
>
> I like it , so using a plain old tee is not a good idea , hey , its not
> that hard to build a 6db 50ohm splitter .....
>
> tnx John for the input , I knew I was missing something of value ....
>
> --
> Douglas Cole   N7BFS
> AMSAT#26182 , K2 # 544
> http://www.users.qwest.net/~cdoug3
> Registered Linux user # 188922
> ----
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