Re: wireless comm tutorial

On Mon, 2 Nov 2009 09:19:50 -0800, "Joel Koltner"
<zapwireDASHgroups@xxxxxxxxx> wrote:

"Jon Slaughter" <Jon_Slaughter@xxxxxxxxxxx> wrote in message
news:hckg7u$8bk$1@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
I'm looking for a tutorial/introduction/book on wireless comm circuits. Not
something advanced but not something for retards. Something like AOE for
wirelss comm. I don't care really too much about all the theory at this
point but just want the basics along with the basics of circuit design and
antenna design.

For such needs I'd suggest Chris Bowick's "RF Circuit Design" and Wes
Hayward's "Introduction to RF Circuit Design." Both do assume you have a
background in basic circuit theory and know what, e.g., phasors are, but
otherwise require nothing more than algebra and perhaps first semester
calcculus (which can be largely ignored if you're not planning on verifying
the derivations).

The Hayward's book should be easy to follow. Some earlier ARRL books
were quite good, but some recent books in order to get as large
audience as possible, much of the usable information has been dropped.

I don't like to follow datasheet's circuit examples or other found on the
internet unless I have a decent understanding of what is going on.

One thing to keep in mind is that by the time you're pushing much into VHF or
higher, parasitics start to become pretty significant and the discrete
component values you see in some guy's schematic can differ noticeably from
what you calculate with an "ideal" circuit model. (So don't be surprsied when
you calculate some capacitor as, e.g., 22pF and the guy has 15pF loaded...)

Most of the older books have been written with lead through components
in mind, thus there are quite a significant parasitic inductance and
hence the maximum usable frequency is quite low.

Thus, many circuits that were usable up to 100 MHz with lead-through
components might be usable up to 1 GHz wish proper surface mount
components.

Paul

.

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