Wideband Frequency Quadrupler for D-Band Applications in BiCMOS Technology
2020
This paper presents the design of a D-band frequency quadrupler (FQ) based on two cascaded frequency doublers. Each doubler relies on the bootstrapped Gilbert cell (GC) mixers. The FQ is developed with a standard 130-nm SiGe BiCMOS process. It consists of fully integrated input and output baluns, frequency doublers, and matching networks. The design of the FQ was optimized via single-ended matching networks to reduce the chip area and increase bandwidth. The results based on the EM-simulation of FQ with the assistance of the hicum model for the transistor, demonstrate a peak conversion gain and output power of 25 dB and 5 dBm, respectively at 130 GHz. The FQ shows a 3-dB bandwidth higher than 84 GHz with an nth harmonic rejection of at least 16 dBc. The FQ can be exploited in various systems design for different D-band applications. The future work includes measurement of the FQ.
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