CST – Computer Simulation Technology

Planar Printed Meandering Monopole | Antenna Magus

Image of the Planar Printed Meandering Monopole.

This antenna is similar to the antenna used the Texas Instruments design note DN024. It is typically used for wireless communication in the 868 MHz to 2.4 GHz ISM (Industrial, Scientific and Medical) and SRD (Short Range Device) bands. The meander element is electrically small and can be integrated onto to the same printed circuit board as other electronics.

The input impedance of the antenna is quite low at ≈ 20 Ω due to its small size, but this can be overcome through the use of common matching techniques. The S11 plot shows a comparison between the two available export topologies (with or without matching).

Typical reflection coefficient versus frequency (50 Ω system) with and without matching and typical radiation pattern at the center frequency...

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