From: Jim Yanik
Subject: Re: Wavetek Sam I used as RF spectrum analyzer??
Date: Sun, 13 Oct 2002 02:38:28 +0000 (UTC)
Organization: Friends of Lummox
NNTP-Posting-Date: Sun, 13 Oct 2002 02:38:28 +0000 (UTC)
"Leon Heller" wrote in
> "Jim Yanik" wrote in message
>> It's not going to be nearly as good as a spec analyzer. You can see
>> spurs and harmonic and non-harmonic distortion with a real SA,and
>> better accuracies. The SAM is basically a freq-tuned voltmeter.Made
>> for 75 ohm impedances,that's what cable is. You could use a 50-75 ohm
>> will suffer.
>> (I used to work for the company that Wavetek bought,that made the SAM
>> meters. Mid-State Electronics, ;-) )
>> I'd buy one of those inexpensive SA's before I'd spend any money on a
>> SAM,if you want a RF analyzer.
> Sounds like a TRF version of a wave analyser. This was the precursor
> of the SA, a wide-range receiver with a voltmeter on the output..
> 73, Leon
> Leon Heller, G1HSM
The SAM's from Wavetek are for cable company's field techs to monitor their
systems from pole to home;they measure signal strength,sig/noise ratio,IMD.
75 ohm inputZ. The early ones were quite crude,handmade.
Jim Yanik,NRA member
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