[R-390] Spectrum Analyzer

[Ben Loper]

The one I'm looking at is an HP 3585A and covers 20hz to 40 Mhz so I'm
thinking thats exactly what I want.  I'm going to look at it today and if it
passes it's Start up tests I think I'll get it.

On Mon, Mar 14, 2011 at 8:23 AM, Shoppa, Tim <tshoppa at wmata.com> wrote:

> Many surplus spectrum analyzers are not (by nature) HF spectrum. Many of
> the ones you'll see on the surplus market are VHF/UHF range. They can be
> adapted to HF with an upconverter.
>
> If you want to see how squirrely a typical 40's/50's/60's/70's ham
> transmitter looks during keying it might be of some use :-). Most likely,
> you do not want to know! Almost all screen tube PA's and drivers of that era
> will show some parasitic oscillation during keying.
>
> For receiver alignment etc. a sweep generator is far more useful than a
> spectrum analyzer. Here on this list we tend to focus on the lab-type HP
> equipment but realistically a Sencore-type TV/Radio service shop-oriented
> unit will do fine.
>
> Tim.
>
> -----Original Message-----
> From: r-390-bounces at mailman.qth.net [mailto:r-390-bounces at mailman.qth.net]
> On Behalf Of Ben Loper
> Sent: Monday, March 14, 2011 9:15 AM
> To: r-390 at mailman.qth.net
> Subject: [R-390] Spectrum Analyzer
>
>  I found a good deal on a spectrum analyzer, but I'm wondering how much
> use
> it will be working on boat anchors.  Are there many alignment procedures
> that would benefit from a spec analyzer or should I pass on it.
>
>
>
> “A fire has burned my hut to the ground -- how much better to see the
> moon!"
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-- 

“A fire has burned my hut to the ground -- how much better to see the moon!"