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A 0.6 V, 4.32 mW, 68 GHz Low Phase-Noise VCO With Intrinsic-Tuned Technique in 0.13 \mu m CMOS

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5 Author(s)
Hsien-Ku Chen ; Grad. Inst. of Electron. Eng., Nat. Taiwan Univ., Taipei ; Hsien-Jui Chen ; Da-Chiang Chang ; Juang, Y.-Z.
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An intrinsic-tuned, 68 GHz voltage controlled oscillator (VCO) without an extra on-chip accumulation-mode metal oxide semiconductor (MOS)-varactor is demonstrated in a standard, 0.13 mum CMOS technology. This VCO exhibits phase noises of -98.4 dBc/Hz and -115.2 dBc/Hz at 1 and 10 MHz offset, respectively, along with a tuning range of 4.5 % even under a small power consumption of 4.32 mW. Besides, the highest figure-of-merit (taking frequency tuning range into account) of -182 dBc/Hz under the 1 MHz offset condition is achieved among all previously reported >60 GHz CMOS-based VCOs, which is attributed to the proposed intrinsic tuning mechanism.

Published in:

Microwave and Wireless Components Letters, IEEE  (Volume:18 ,  Issue: 7 )