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Download Broadband Planar Antennas: Design and Applications by Zhi Ning Chen PDF

By Zhi Ning Chen

The expanding call for for instant communications has revolutionised the life-style of today’s society and one of many key parts of instant expertise is antenna design.  Broadband planar antennas are the most recent new release of antennas boasting the sexy positive aspects required, similar to wide working bandwidth, low profile, gentle weight, economical and straightforwardness of integration into arrays or Radio Frequency (RF) circuits, to cause them to perfect parts of recent communications structures. examine into small and broadband antennas has been spurred by means of the swift improvement of transportable instant communique units equivalent to cellphones, laptops and private electronic assistants.

This all-encompassing quantity, Broadband Planar Antennas: layout and functions, systematically describes the concepts for all planar antennas from microstrip patch antennas, suspended plate antennas and planar inverted-L/F antennas to planar dipole antennas. additionally mentioned are essentially the most fresh results corresponding to broadband antenna concerns in promising ultra-wideband purposes.

  • Clearly describes the basics of planar antennas and categorises them in response to their radiation features
  • Introduces the complicated development in broadband planar antennas for contemporary instant communications
  • Includes a wealth of case reports, layout directions, figures and tables

this article is vital interpreting for antenna, RF and microwave engineers and brands in the telecommunications undefined. Its hugely obtainable method also will attract researchers, postgraduate scholars and educational teachers.

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Extra info for Broadband Planar Antennas: Design and Applications

Example text

Hall, ‘Probe compensation in thick microstrip patches,’ Electronics Letters, vol. 23, pp. 606–607, 1987. [7] K. Levis, A. Ittipiboon and A. Petosa, ‘Probe radiation cancellation in wideband probe-fed microstrip arrays,’ Electronics Letters, vol. 36, no. 7, pp. 606–607, 2000. [8] A. Petosa, A. Ittipiboon and N. Gagnon, ‘Suppression of unwanted probe radiation in wideband probe-fed microstrip patches,’ Electronics Letters, vol. 35, pp. 355–357, 1999. [9] Z. N. Chen and M. Y. W. Chia, ‘Enhanced radiation performance of a suspended plate antenna,’ Proceedings of International Conference on Electromagnetic and Advanced Applications (ICEAA), Torino, Italy, vol.

Bahl and A. Ittipiboon, Microstrip Antenna Design Handbook. Boston, MA: Artech House, 2001. [10] R. E. Munson, ‘Conformal microstrip antennas and microstrip phased arrays,’ IEEE Transactions on Antennas and Propagation, vol. 22, no. 1, pp. 74–78, 1974. [11] J. W. Howell, ‘Microstrip antennas,’ IEEE Transactions on Antennas and Propagation, vol. 23, no. 1, pp. 90–93, 1975. [12] J. R. James, P. S. Hall, C. Wood and A. Henderson, ‘Microstrip antennas,’ IEEE Transactions on Antennas and Propagation, vol.

If two or more adjacent modes are well excited simultaneously, the bandwidth can be twice or more than that for the single resonance. 1 LOWERING THE Q As mentioned in Chapter 1, a microstrip patch antenna having a larger sphere suffers from a narrow bandwidth as the whole volume of the enclosing sphere is not utilized effectively. Therefore, a microstrip patch antenna can be considered as a high-Q circuit, so one way to alleviate the narrow bandwidth problem is to reduce the Q. Investigations have shown that the shape of a radiator affects the impedance bandwidth, even for the same maximum dimensions.

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