By Rod Waterhouse
Microstrip Patch Antennas: A Designer's Guide presents the reader with a present evaluation of the place microstrip patch antenna know-how is at, and priceless details on tips on how to layout this manner of radiator for his or her given program and state of affairs. The booklet describes the final houses and the various various different types of microstrip patch antennas, highlighting the benefits and drawbacks of every from a designer's potential. The ebook outlines approaches on how you can optimize antennas by way of bandwidth, measurement, polarization regulate and radiation functionality. sensible layout instances are supplied for every goal.
Throughout the booklet, layout philosophies are awarded to make sure the simplest functionality from the published antenna is usually accomplished. very important functionality tendencies are given, allowing the fashion designer to appreciate what the main acceptable revealed antenna resolution exists for the matter handy. businesses focusing on antenna improvement, utilizing published antennas of their structures and graduate scholars alike will locate Microstrip Patch Antennas: A Designer's Guide is an invaluable device.
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Additional resources for Microstrip Patch Antennas: A Designer’s Guide
I- , "" " . • • • •••• •••• + ~ -, "" -, "" ... , ... .... =22 . ... " ... 10 Performance trends of single layered patch antennas: (a) impedance bandwidth; (b) directivity; (c) surface wave efficiency There are three forms of loss associated with a microstrip patch antenna: conductor loss, dielectric loss and surface wave loss. The first two of these loss mechanisms depend on the quality of the material used as the substrate. The latter is due to the characteristics of the material, namely the dielectric constant and the thickness.
Here we will consider 6 parameters and their effects on the input impedance response. Antenna substrate Using a low dielectric constant dielectric layer here can obviously enhance the achievable bandwidth and surface wave efficiency here. 3. Care needs to be taken, as using too thick a layer can make it difficult to couple energy to and from the patch conductor. A general rule of thumb here is if the antenna layer is equal to or less than double the feed layer, critical coupling can still be achieved.
1 Edge fed patches Configuration and Characteristics One of the original excitation methods for a microstrip patch antenna is the edge-fed, or microstrip-line fed technique . 1. Here a microstrip feed-line of width Wf is in direct contact with a rectangular patch conductor of length L and width W. 1, although cases where the contact is located along the width of the patch have also been examined. As the excitation source is in direct electrical contact with the patch radiator, edge (or sometimes known as microstrip-line) feed falls into the category of a direct contact excitation means.
Microstrip Patch Antennas: A Designer’s Guide by Rod Waterhouse