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A Digital Differential Transmitter with Pseudo-LVDS Output Driver and Digital Mismatch Calibration
Jun-Hyun BAE Sang-Hune PARK Jae-Yoon SIM Hong-June PARK
IEICE TRANSACTIONS on Electronics
Publication Date: 2010/01/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: BRIEF PAPER
Category: Electronic Circuits
differential, digital transmitter, termination,
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A digital 3 Gbps 0.2 V differential transmitter is proposed using a voltage-mode pseudo-LVDS output driver. The delay mismatch between two pre-drivers is digitally calibrated by a modified digital DLL with the duty cycle correction. The height and width of eye opening are improved by 103% and 46%, respectively. The power consumption is 11.4 mW at 1.2 V with 0.18 µm process.