Go have a look here. Somewhat dated; I don't see anything that indicates
recent updates, but a lot of good data and links.=20
http://www.nitehawk.com/rasmit/sa50.html

Bob Chadwick
PICList Lurker



Herbert Graf-5 wrote:
>=20
> So, in my huge amounts of free time I've been thinking that the one area
> of electronics I don't really have much experience is radio.
>=20
> I've been experimenting and having some fun, but I've convinced myself
> that something that might turn out to be a really fun and educational
> adventure is building a spectrum analyzer.
>=20
> There's not of google links out there to half finished or ancient
> projects.=20
>=20
> I'm not looking at creating laboratory grade equipment, just something
> that'll help me see that the circuits I'm building are actually doing.
>=20
> So, any suggestions?
>=20
> I'm not to concerned about the interface or display, that's the kind of
> stuff I've done before so I'd probably just take the easy way out and
> use a PC initially.
>=20
> My main area of concern is the actual RF stuff.
>=20
> I'd like the analyzer to at least cover up to about 1GHz (the 2.4GHz
> band would be nice (and very useful in the future) but I feel I might be
> overreaching there).
>=20
> Alot of projects use the tuners in VCRs for the RF front end. Any
> recommendations on something that might work well?
>=20
> Ideally if I could get a tuner to do most of the dirty work (something
> like feed it a voltage to select which frequency to tune, and output an
> RSSI signal to indicate signal strength) that would be a great way to
> start.=20
>=20
> Any suggestions? Anybody do something similar?
>=20
> Thanks for your ideas!
>=20
> TTYL
>=20
> --=20
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>=20
>=20

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