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A model for tuning microstrip patch antennas with a controllable impedance “black box” is presented. These tunable impedance elements can be placed along the mid-line of the patch antenna to alter the impact of the tuning range on the antenna field pattern. Simulation results demonstrate the impact of this level of physical design control. Also highlighted is the improved ability to design beyond...
This paper describes a novel technique to measure the input impedance of on-chip microstrip patch antenna in standard CMOS technology. By using the measured impedance of IMPATT diodes fabricated in the same standard CMOS technology and three lateral IMPATT diodes integrated with a microstrip patch antenna at one of the radiating edges, oscillation can be achieved and accurate measurement of the antenna...
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