[MLB-WIRELESS] 2.4GHz scanner project

Dan Flett conhoolio at hotmail.com
Sun Oct 22 07:58:39 EST 2006


Hi Jason,

Nice project!  Do you have any suggestions as to the possibility of widening
the spectrum scanned?  I'm mainly interested in 2.4-2.7GHz - is there a
cheap-ish chip out there that does this range?

Cheers,

Dan

-------------
View my blog:
http://freenetjazz.blogspot.com  

> -----Original Message-----
> From: melbwireless-bounces at wireless.org.au 
> [mailto:melbwireless-bounces at wireless.org.au] On Behalf Of 
> Jason Hecker
> Sent: Saturday, 21 October 2006 1:32 PM
> To: melbwireless at wireless.org.au
> Subject: Re: [MLB-WIRELESS] 2.4GHz scanner project
> 
> Ooo, I wouldn't be so sure about detecting dangerous levels 
> of radiation, even with some sort of attenuator.  The antenna 
> on the module could be disconnected and replaced with an SMA 
> type connector, though you'd have to perhaps add a little 
> matching circuit.
> 
> Have a look at this design:  
> http://www.circuitcellar.com/library/print/0406/Armitage-189/
> 
> It works on the same principle as my project but uses a 
> better chip.  It mentions something about baluns (matching circuits).
> 
> On Saturday 21 October 2006 12:39, Zik Saleeba wrote:
> > Great project Jason!
> >
> > I think I might adapt it for use as an EIRP meter. Do you 
> know if the 
> > RSSI has enough dynamic range to indicate dangerous levels of 
> > radiation? Maybe with an attenuator?
> >
> > Cheers,
> > Zik
> >
> > On 10/20/06, Jason Hecker <jhecker at wireless.org.au> wrote:
> > > It's about time.
> > >
> > > I have hacked up new project to scan the 2.4GHz band.
> > >
> > > Beware, it involves a soldering iron.
> > >
> > > http://www.wireless.org.au/~jhecker/specan/
> > >
> > > I've still got a bit more work to do, such as collecting more 
> > > examples of 2.4GHz transmissions.
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> >
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