[HATS] Re: Put on your thinking hat!

[Gene Harlan]

Why could you not use one of the Drake 2880 like what is being used for
AO-40, that is if you can find one. But there are other downconverters.

Gene Harlan - WB9MMM
Harlan Technologies - publisher of
OSCAR Satellite Report - OSR@hampubs.com
Amateur Television Quarterly - ATVQ@hampubs.com
http://www.hampubs.com


----- Original Message -----
From: "Christopher W. Boone" <Cboone@earthlink.net>
To: <fjuch@austin.rr.com>
Cc: <hats@stevens.com>
Sent: Tuesday, August 07, 2001 11:57 PM
Subject: [HATS] Re: Put on your thinking hat!


> Avcomm the folks who make spectrum analyzers for satelite users, etc
> have such a device I believe Fred.....I think you can look at it
> on their web site...I dont have the URL but Im sure its avcomm.com or
> you can search under Google for PSA-65 (one of their models) and
> that should find it.
>
> Chris
> WB5ITT
>
> Fred Juch wrote:
> >
> > Here is the problem -
> >
> > I have a Spectrum Analyzer that only goes to 1.5 GHz. Poor Me!
> >
> > I want to design a circuit to put on the input to convert 2.0 - 2.5 GHz
> > down to 1.0 - 1.5 GHz.
> >
> > Here is how I propose to do it.
> >
> > I need a PLL like the one in the HATS transmitter to generate 1.0 GHz
> > signal. I feed that and an antenna into a mixer. The output will be both
> > 2.4 GHz + 1 GHz = 3.4 GHz
> > and
> > 2.4 GHz - 1 Ghz = 1.4 Ghz which my analyzer can handle.
> >
> > I know the levels will be critical, but what do you geniuses think about
> > this product? It should be small, and run on low power. It could even be
> > scaled to other bands if the components are available.
> >
> > What do you think?
> >
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