IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543

This article has now been updated. Please use the final version.

A novel complementary push-push frequency doubler with negative resistor conversion gain enhancement
Yang LiuZhiqun LiHao GaoQin LiZhigong Wang
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JOURNAL FREE ACCESS Advance online publication

Article ID: 14.20170674

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Abstract

This letter presents a 48 GHz frequency doubler in a 65 nm CMOS technology. The proposed frequency doubler is composed of a complementary push-push structure with negative resistance circuit for conversion gain enhancement. The maximum measured conversion gain reaches −6.1 dB at 48 GHz output frequency, and the 3-dB bandwidth is 40 ∼ 54 GHz. The fundamental rejection is above 29.5 dB. The size of the proposed frequency doubler chip is 0.72 × 0.36 mm2. The total power consumption is 16 mW.

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