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Everybody knows that the mobile phones, televisions and so on that
we use without much thought are products that utilize radio waves,
and that radio waves have been in use since long ago. However,
very few people know that much about radio waves themselves. Even
electrical engineers are probably not very confident when it comes
to radio waves.
This Design Guide is intended to provide background for those
considering designing radio equipment using radio modules. In
addition, we hope that it will be useful to people who read it for
research or other purposes.
The Design Guide is meant to be easy to understand, with figures
and formulae kept to the minimum. Graphical calculations are
possible using the Java applets.
Please give this material due thought before starting the design
work, and apply it to shorten time spent on design, and in order
to develop attractive products.
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The content of this Design Guide is current as of December 2005.
While every effort has been made to ensure that the content is
free of errors, it is not guaranteed in any way. Circuit Design
will accept no responsibility whatsoever for any damages that may
arise from use of this material. Any liability for use of this
material rests with the user.
Furthermore, the content of this Design Guide may be changed
without notice. The copyright of this Design Guide belongs to
Circuit Design. All rights are reserved.
Revision history:
First
edition: September 2001, First revision: December 2005
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Introduction
