Abstract
A fold dipole slot antenna backed by artificial magnetic conductor (AMC) structure based on a standard 0.18 um CMOS process on chip application is firstly proposed in this paper. Conventional silicon antenna on chip (AoC) suffers from low radiation performance because the most electromagnetic energy is restricted in silicon substrate as surface wave for its high dielectric permittivity. The energy is dissipated as thermal for low resistivity of silicon substrate. AMC constructed by a periodic 6*6 square patch array is adopted as background to improve radiation performance of the proposed folded dipole slot AoC. Gain of the proposed AMC backed AoC is improved about 3.5 dB compared with that of the same AoC without AMC background.
Highlights
Millimeter wave is a kind of electromagnetic wave whose frequency spectrum is from 30 GHz to 300 GHz and its corresponding wavelength varies from 10 to 1 mm
Artificial magnetic conductor (AMC), as a kind of periodic structure, has the same total reflection characteristic as that of perfect electric conductor (PEC) when they are excited by incident waves
From the phase and magnitude curves of the artificial magnetic conductor (AMC) reflection coefficient it can be found that the proposed AMC is operating at 140 GHz and its fractional operating bandwidth is about 25%. These results indicate that the proposed AMC can be used in low profile antenna on chip (AoC) designs
Summary
The Key Laboratory of RF Circuits and System of Ministry of Education, Hangzhou Dianzi University, Hangzhou 310018, China. A fold dipole slot antenna backed by artificial magnetic conductor (AMC) structure based on a standard 0.18 um CMOS process on chip application is firstly proposed in this paper. Conventional silicon antenna on chip (AoC) suffers from low radiation performance because the most electromagnetic energy is restricted in silicon substrate as surface wave for its high dielectric permittivity. The energy is dissipated as thermal for low resistivity of silicon substrate. AMC constructed by a periodic 6∗6 square patch array is adopted as background to improve radiation performance of the proposed folded dipole slot AoC. Gain of the proposed AMC backed AoC is improved about 3.5 dB compared with that of the same AoC without AMC background
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