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공과대학
전자전기공학전공
Journal papers
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A 4-Channel 6.25-Gb/s/ch VCSEL driver for HDMI 2.0 active optical cables
Title
A 4-Channel 6.25-Gb/s/ch VCSEL driver for HDMI 2.0 active optical cables
Authors
Hong C.
;
Park S.M.
Ewha Authors
박성민
SCOPUS Author ID
박성민
Issue Date
2017
Journal Title
Journal of Semiconductor Technology and Science
ISSN
1598-1657
Citation
Journal of Semiconductor Technology and Science vol. 17, no. 4, pp. 561 - 567
Keywords
AOC
;
Cherry-hooper
;
CMOS
;
Driver
;
HDMI
;
VCSEL
Publisher
Institute of Electronics Engineers of Korea
Indexed
SCIE; SCOPUS; KCI
Document Type
Article
Abstract
This paper presents a 4-channel commoncathode VCSEL driver array operating up to 6.25 Gb/s per channel for the applications of HDMI 2.0 active optical cables. The proposed VCSEL driver consists of an input buffer, a modified Cherry-Hooper amplifier as a pre-driver, and a main driver with preemphasis to drive a common-cathode VCSEL diode at high-speed full switching operations. Particularly, the input buffer merges a linear equalizer not only to broaden the bandwidth, but to reduce power consumption simultaneously. Measured results of the proposed 4-channel VCSEL driver array implemented in a 0.13-μm CMOS process demonstrate wide and clean eye-diagrams for up to 6.25-Gb/s operation speed with the bias current 2.0 mA and the modulation currents of 3.1 mAPP. Chip core occupies the area of 0.15 x 0.1 μm2 and dissipate 22.8 mW per channel. © 2017, Institute of Electronics Engineers of Korea. All rights reserved.
DOI
10.5573/JSTS.2017.17.4.561
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