Microstrip patch antenna-s shaped for 868mhz
时间：04-04
整理：3721RD
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Hi,
I had designed a microstrip patch antenna for 868 mhz application and which can operate between 865-871mhz. But I found that in my plot between freq and s11 parameter at 868 mhz s11=-3.67db.. how can I tune to +5db gain. The antenna size is 5×2.5cm
I had designed a microstrip patch antenna for 868 mhz application and which can operate between 865-871mhz. But I found that in my plot between freq and s11 parameter at 868 mhz s11=-3.67db.. how can I tune to +5db gain. The antenna size is 5×2.5cm
are you SURE?
here is a patch antenna:
http://www.saturnpcb.com/pa915.htm
its 12 x 12 cm