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ANALYSIS OF RESULTS OF DUAL BAND MICRO-STRIP PATCH ANTENNA.

In this article, We are going to analyse the results for the fabricated Dualband rectangular Microstrip patch antenna by Chemical etching method.

The simulated and practical results of the designed antenna will be discussed now. As we know In photolithography process a small variations in slit dimensions leads to the variations in current distribution and resonate frequencies .This shift in resonate frequencies is not a major variation but it is negligible.

DUAL BAND MICROSTRIP PATCH ANTENNA

Fig 1. DESIGNED MICROSTRIP DUAL BAND PATCH ANTENNA

Fig 2. FABRICATED PATCH ANTENNA AS PER OUR DESIGN.

ANALYSIS OF RESULTS

The simulated and practical results of the designed antenna are as below. S Parameters of both practical and simulated is shown below from the graph, we got two different resonate frequencies @ 2.4 to 2.45Ghz at -17dB and 4.2 Ghz to 4.25 Ghz at -20 dB approximately. Which are commercial 3G and ISM bands. The antenna we have designed for the above applications there is a minor shift in a resonate frequencies this is due to the variations of practical material dimensions, thickness. The fabricated antenna‘s dimensions are approximately equal to simulated antenna.

In photolithography process a small variations in slit dimensions leads to the variations in current distribution and resonate frequencies .This shift in resonate frequencies is not a major variation it is a negligible.

Fig 3. SIMULATED RESULTS for DUAL BAND MS PATCH ANTENNA DESIGN.

Fig 4. PRACTICAL MEASURED RESULTS for DUAL BAND MS PATCH ANTENNA DESIGN.

Note : Click the link to access the ANALYSIS of ANTENNA RADIATION PATTERNS RESULTS of the Dual Band Micro-strip Patch Antenna.

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