Abstract
The paper presents a reconfigurable dual-band 4.86 and 8.98 GHz dipole antenna on silicon using series MEMS switches. The effects of series MEMS switches on the antenna performance are studied. The design is performed using the 3D electromagnetic simulator HFSS/sup /spl reg//. Using the designed series MEMS switches, the obtained antenna return loss is -10.2 dB and -21.6 dB, at the lower and upper frequencies, respectively. However, comparable to the case of ideal switches, a frequency shift of 0.4% and of 2.8% at the lower and upper frequencies, respectively, is observed. The antenna, including the MEMS switches, has bandwidth of 1.9% and 13.6% at the lower and upper frequencies, respectively. The antenna directivity is 2 dB at the lower frequency, and is 3 dB at the upper frequency.
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