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A 60-GHz-Band \times 12-Multiplier MMIC With Reduced Power Consumption

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4 Author(s)
Ito, M. ; Syst. Devices Res. Labs., NEC Corp., Shiga ; Kishimoto, S. ; Hamada, Y. ; Maruhashi, K.

This paper presents a 60-GHz-band times12 multiplier and its application to a transceiver module. The multiplier consists of a quadrupler and a following tripler. For low dc power consumption, gatewidths of field-effect transistors are optimized. A cascode amplifier is adopted to obtain required output power levels. The fabricated multiplier exhibits output power higher than 0 dBm from 57 to 62 GHz with input power higher than -10 dBm. Spurious harmonic suppressions up to the 20th order are larger than 20 dBc with a desired 12th signal at a frequency of 60 GHz. DC power consumption is 185 mW. A transmitter module with the multiplier is assembled using a flip-chip bonding technique. Bit error rate is measured using amplitude shift-keying modulation with a data rate over 1 Gb/s

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:54 ,  Issue: 12 )