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A 20Gb/s Dual-Mode PAM4/NRZ Single-Ended Transmitter with RLM Compensation
Cited 10 time in
Web of Science
Cited 13 time in Scopus
- Authors
- Issue Date
- 2019-05
- Publisher
- IEEE
- Citation
- 2019 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS), p. 8702456
- Abstract
- In this paper, a 20Gb/s dual-mode four-level pulse amplitude modulation (PAM4)/non-return-to-zero (NRZ) single-ended voltage-mode transmitter is proposed. Its output drivers are composed of 60 basic source-series terminated (SST) driver units and 12 additional pull-up (PU) driver units. The additional PU driver units are used to reduce the eye height difference between four amplitude levels of PAM4. Implemented in 65nm CMOS technology, the active area of the transmitter is 0.06mm(2) including the clock buffer and IQ generator. It draws 61.5mW at 20Gb/s during PAM4 operation and 72mW at 10Gb/s during NRZ operation.
- ISSN
- 0271-4302
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