4.32-pJ/b, Overlap-Free, Feedforward Edge-Combiner-Based Ultra-Wideband Transmitter for High-Channel-Count Neural Recording

Yu Ju Lin, Sung Yun Park, Xing Chen, David Wentzloff, Euisik Yoon

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)


We present an ultralow-power, ultra-wideband (UWB) transmitter (TX) in standard 65-nm CMOS processes. The TX consists of feedforward edge combiners and interpolators for ultralow-power operation and reliable pulse generation that is essential in UWB TXs. The implemented circuit avoids pulse overlapping without complicated calibrations and has achieved an energy efficiency of 4.32 pJ/b at 200-Mbps data rate. The TX is suitable for energy-constraint, high-data-rate applications such as wireless telemetry in implantable high-density neural recording interfaces.

Original languageEnglish
Article number8170259
Pages (from-to)52-54
Number of pages3
JournalIEEE Microwave and Wireless Components Letters
Issue number1
Publication statusPublished - 2018 Jan

Bibliographical note

Funding Information:
Manuscript received August 14, 2017; revised October 29, 2017; accepted November 15, 2017. Date of publication December 8, 2017; date of current version January 8, 2018. This work was supported in part by NSF under Grant 1545858. (Corresponding author: Euisik Yoon.) The authors are with the Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, MI 48109 USA (e-mail: esyoon@umich.edu). Color versions of one or more of the figures in this paper are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/LMWC.2017.2776947 1We assumed 10-b resolution with a sampling rate of 2 kHz for ECoG and 20 kHz for broadband (field potentials + action potentials) recording.

Publisher Copyright:
© 2017 IEEE.

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Electrical and Electronic Engineering


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