A low-power quadrature local oscillator using current-mode-logic ring oscillator and frequency triplers

Yu Sheng Lin; Ching Wen Hsu; Chun Lin Lu; Yeong Her Wang

doi:10.1109/LMWC.2013.2283860

A low-power quadrature local oscillator using current-mode-logic ring oscillator and frequency triplers

Yu Sheng Lin, Ching Wen Hsu, Chun Lin Lu, Yeong Her Wang

Institute of Microelectronics

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

This letter presents a current-mode-logic (CML) ring oscillator integrated with two frequency triplers for quadrature local-oscillator generation. Quadrature signals and frequency- doubled signals of the CML ring oscillator are propagated to drive two single-balanced mixers for up-converting the frequency by triple and achieving quadrature output and low power consumption. Fabricated by a TSMC 90 nm CMOS technology, the proposed circuit consumed 8.7 mW dc power at a 1.2 V supply voltage and achieved an output frequency of 16.56 to 19.8 GHz (17.8%) at a V_tune of 0 to 1.2 V. The phase noise of -104.6 dBc/Hz was measured from the output signal at a 1 MHz offset frequency. A remarkable figure of merit with a tuning range evaluated at -188.4 was also obtained.

Original language	English
Article number	6634273
Pages (from-to)	650-652
Number of pages	3
Journal	IEEE Microwave and Wireless Components Letters
Volume	23
Issue number	12
DOIs	https://doi.org/10.1109/LMWC.2013.2283860
Publication status	Published - 2013 Dec

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Electrical and Electronic Engineering

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10.1109/LMWC.2013.2283860

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abstract = "This letter presents a current-mode-logic (CML) ring oscillator integrated with two frequency triplers for quadrature local-oscillator generation. Quadrature signals and frequency- doubled signals of the CML ring oscillator are propagated to drive two single-balanced mixers for up-converting the frequency by triple and achieving quadrature output and low power consumption. Fabricated by a TSMC 90 nm CMOS technology, the proposed circuit consumed 8.7 mW dc power at a 1.2 V supply voltage and achieved an output frequency of 16.56 to 19.8 GHz (17.8%) at a Vtune of 0 to 1.2 V. The phase noise of -104.6 dBc/Hz was measured from the output signal at a 1 MHz offset frequency. A remarkable figure of merit with a tuning range evaluated at -188.4 was also obtained.",

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AU - Lin, Yu Sheng

AU - Hsu, Ching Wen

AU - Lu, Chun Lin

AU - Wang, Yeong Her

PY - 2013/12

Y1 - 2013/12

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AB - This letter presents a current-mode-logic (CML) ring oscillator integrated with two frequency triplers for quadrature local-oscillator generation. Quadrature signals and frequency- doubled signals of the CML ring oscillator are propagated to drive two single-balanced mixers for up-converting the frequency by triple and achieving quadrature output and low power consumption. Fabricated by a TSMC 90 nm CMOS technology, the proposed circuit consumed 8.7 mW dc power at a 1.2 V supply voltage and achieved an output frequency of 16.56 to 19.8 GHz (17.8%) at a Vtune of 0 to 1.2 V. The phase noise of -104.6 dBc/Hz was measured from the output signal at a 1 MHz offset frequency. A remarkable figure of merit with a tuning range evaluated at -188.4 was also obtained.

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A low-power quadrature local oscillator using current-mode-logic ring oscillator and frequency triplers

Abstract

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