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A return loss of 10 dB is considered acceptable for many applications. Specifying bandwidth where the return loss was 3 dB would generally not be a good idea, as such a return loss is unacceptable for most applications. Conversely, specifying bandwidth as the 30 dB return loss value would...
Hi,
Is it necessary tat to excite all the waves at the same time, the waves can be out of phase rite. Is there will be any interference in the waves if they are excited at different times.Please explain.
Hi,
I know tat infinite number if modes can be traveled in a wave guide . Wat abt the number of waves, is it tat only one wave can travel in a wave guide with different modes ???
Hi,
If the antenna is placed above the actual ground(earth). How the actual ground can act, as the antenna is grounded already to ground under its substrate in microstrip antennas.
Hi,
Can anyone please help me suggesting a Ph.d topic in RF & Microwave antennas.
---------- Post added at 07:14 ---------- Previous post was at 07:11 ----------
Please suggest me in simulation type topics, I worked with CST tool in the past.
Re: Difference between "radio frequency alternating current" and " radio waves "
Then what about a wave that propagates in wave guide.....is the alternating current is taken as a reference to the wave....or they both are same ???????
Actually CPW is efficient type of feed ,since the fabrication difficult is less than the microstip feed and also if you want to integrate the active componets to your antenna it is difficult with the microstrip. So the CPW is efficient.
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