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A 7.4 Gb/s forwarded clock receiver based on first-harmonic injection-locked oscillator using AC coupled clock multiplication unit in 0.13µm CMOS

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3 Author(s)
Young-Ju Kim ; KAIST, Daejeon, South Korea ; Sang-Hye Chung ; Lee-Sup Kim

This paper presents a forwarded clock receiver based on an injection-locked oscillator (ILO) with a simple clock multiplication unit to reduce the clock jitter and power consumption. The clock multiplication unit employs AC coupling and superposition technique to generate first-harmonic pulses. The first-harmonic injection reduces the rms and peak to peak jitter of the ILO output clock by about 0.65ps (29%) and 46.06ps (65%), respectively. The measured power efficiency of the receiver is 1.69mW/Gbps at 7.4Gb/s data rate in a 1.2V 0.13μm CMOS process.

Published in:

Custom Integrated Circuits Conference (CICC), 2011 IEEE

Date of Conference:

19-21 Sept. 2011