This paper presents the design of a packaged antenna including glass substrate. A square patch antenna is implemented on glass substrate exploiting IPD™ technology, and excited by a coupling slot implemented on BiCMOS B9MW technology (Low Resistivity (LR) Siρ = 12 .cm). The described solution solves the interconnection problem between Silicon Integrated Circuits (ICs) and the antenna. The excitation structure is integrated on Silicon substrate using conventional process, thus reducing insertion losses usually caused by flip-chip or assembling techniques. The second advantage of this solution is the cointegration of the coupling slot with the RF front-end. This permits to match the antenna input impedance to the PA output impedance, with consequently improved power budget efficiency. This antenna achieves a simulated gain of 5 dBi at 60 GHz and a relative bandwidth of 8 %. A preliminary antenna on alumina and glass substrates has been realized in order to verify the flipchip assembly process. The measurements results are in good agreement with simulation.
Abstract-This paper presents a broadband antenna on HR SOI CMOS technology for co-integration with power amplifier (PA) or low noise amplifier (LNA). In a System on Chip (SoC) approach, the co-design of the antenna and Integrated Circuits (ICs) on a same silicon substrate is a convenient solution to suppress lossy matching networks and to reduce the radio frontend cost. The proposed antenna presents a simulated gain greater than 5 dBi and a simulated |S 11 | dB below -10 dB over a 30 GHz frequency band [53-80 GHz]. This concept has been validated on Alumina substrate with a good agreement between measurement and simulation.
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