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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
박성민scopus
Issue Date
2017
Journal Title
Journal of Semiconductor Technology and Science
ISSN
1598-1657JCR Link
Citation
vol. 17, no. 4, pp. 561 - 567
Keywords
AOCCherry-hooperCMOSDriverHDMIVCSEL
Publisher
Institute of Electronics Engineers of Korea
Indexed
SCIE; SCOPUS; KCI WOS scopus
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
Appears in Collections:
엘텍공과대학 > 전자공학과 > Journal papers
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