Dual-Band Patch Filter 180/270 GHz on BiCMOS 55nm
2022 IEEE/MTT-S International Microwave Symposium - IMS 2022(2022)
Abstract
This paper presents an original design for dual-band dual-mode bandpass filter based on a single grounded patch resonator. It is implemented on BiCMOS 55 nm technology to operate at 180 GHz and 270 GHz. A full control of both bands is possible - thanks to the usage of vias and slots. The grounded vias significantly allow the reduction of the patch resonator realizing an overall size of 0.04 mm2, which is a fundamental aspect for (Bi)CMOS. The achieved results show a good agreement between simulation and measurement results with insertion loss of 4–5 dB in the passband, return loss of 14 dB and relative bandwidths of about 18%.
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Key words
BiCMOS technology,Patch filter,DualBand,millimeter-waves
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