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  Topic: lenght of microstrip transmission line in Inset Feed antenna
malekabadi

Replies: 1
Views: 5095

PostForum: Questions Related to Antenna Theory   Posted: Mon Jul 31, 2017 5:49 am   Subject: lenght of microstrip transmission line in Inset Feed antenna
In the Antenna Analysis and Design book by Balanis. See chapter 14 and equation 14-20 and 14-20a. Also, there is an example 14.2 for this calculations!
  Topic: Three antenna Device
malekabadi

Replies: 2
Views: 3268

PostForum: Questions Related to Antenna Theory   Posted: Sun Jul 30, 2017 9:50 pm   Subject: Three antenna Device
As admin mentioned, the 900MHz and 5.8 GHz antennas are receiving some portion of 2.4 GHz signal.

For instance, if the 5.8 GHz antenna has -0.5 dB S11 at 2.4 GHz, it means that it is 10% efficient ...
  Topic: Short range 2-5GHz antenna design
malekabadi

Replies: 6
Views: 6412

PostForum: Questions Related to Antenna Theory   Posted: Sun Jul 30, 2017 9:31 pm   Subject: Short range 2-5GHz antenna design
Can't you have an opening on the box to enable radiation?
 
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