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A Design of 10-GHz Delta-Sigma Modulator using a 4-Level Differential Resonant-Tunneling Quantizer
University of Calgary, Canada May 19-May 21
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/ISMVL.2005.235th International Symposium on Multi ...
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Keisuke Eguchi, Masaru Chibashi, Takao Waho, "A Design of 10-GHz Delta-Sigma Modulator using a 4-Level Differential Resonant-Tunneling Quantizer," Multiple-Valued Logic, IEEE International Symposium on, pp. 43-47, 35th International Symposium on Multiple-Valued Logic (ISMVL'05), 2005.
 
 
BibTex
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@article{ 10.1109/ISMVL.2005.2,
author = {Keisuke Eguchi and Masaru Chibashi and Takao Waho},
title = {A Design of 10-GHz Delta-Sigma Modulator using a 4-Level Differential Resonant-Tunneling Quantizer},
journal ={Multiple-Valued Logic, IEEE International Symposium on},
volume = {0},
year = {2005},
issn = {0195-623X},
pages = {43-47},
doi = {http://doi.ieeecomputersociety.org/10.1109/ISMVL.2005.2},
publisher = {IEEE Computer Society},
address = {Los Alamitos, CA, USA},
}
 
 
RefWorks Procite/RefMan/Endnote
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TY - CONF
JO - Multiple-Valued Logic, IEEE International Symposium on
TI - A Design of 10-GHz Delta-Sigma Modulator using a 4-Level Differential Resonant-Tunneling Quantizer
SN - 0195-623X
SP43
EP47
A1 - Keisuke Eguchi,
A1 - Masaru Chibashi,
A1 - Takao Waho,
PY - 2005
KW - null
VL - 0
JA - Multiple-Valued Logic, IEEE International Symposium on
ER -
 
Keisuke Eguchi, Sophia University, Japan
Masaru Chibashi, Sophia University, Japan
Takao Waho, Sophia University, Japan
An ultrahigh-speed continuous-time delta-sigma modulator using a 4-level resonant-tunneling quantizer has been investigated. The quantizer consists of four resonant-tunneling diodes (RTDs) and a source-coupled high-electron-mobility transistor (HEMT) pair, and operates in the fully-differential mode. Circuit simulation shows that the present first-order delta-sigma modulator has a signal-to-noise ratio (SNR) of 49.4dB at a sampling frequency of 10 GHz and an input bandwidth of 100 MHz. An improvement in the SNR by 5.6dB is obtained by increasing the number of quantization level from two to four.
Citation:
Keisuke Eguchi, Masaru Chibashi, Takao Waho, "A Design of 10-GHz Delta-Sigma Modulator using a 4-Level Differential Resonant-Tunneling Quantizer," ismvl, pp.43-47, 35th International Symposium on Multiple-Valued Logic (ISMVL'05), 2005
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