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how to choose multiple substrates of patch for maximum band width at 10GHz

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saikrishna011

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hi, first let me thank you for every one for good threads. its been very useful for my project

i have problem with increasing band width of patch
i am getting 800MHz at 10GHz(8% fractional BW) by E shape
i want to increase to 15 to 20 percent. is it possible
h=1.5,er=2.2
please suggest me how to choose multiple layers to increase BW.
 

saikrishna011 said:
please suggest me how to choose multiple layers to increase BW.
Click to expand...

Hello.
The bandwidth of microstrip patch can be increased by using of coupled resonators (patches):
-APERTURE COUPLED MICROSTRIP ANTENNAS;
41_1334431092.jpg

-STACKED MICROSTRIP PATCH ANTENNAS https://www.edaboard.com/threads/214935/
43_1334431092.jpg
 
you can simply increase the BW by working on ground plane also.
 

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