IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
A fully-differential resonant-tunneling circuit
Masaru ChibashiKeisuke EguchiShinpei NakagawaTakao Waho
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Keywords: HEMT, RTD, bistable, comparator
JOURNAL FREE ACCESS

2005 Volume 2 Issue 7 Pages 221-225

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Abstract

By combining a conventional single-ended RTD-based circuit called MOBILE with a transconductor using HEMTs, a fully-differential resonant-tunneling circuit is proposed. The circuit works as a clocked comparator, the sampling frequency of which is twice as high as the clock frequency. Our circuit simulation assuming 0.1-µm InP technology shows a 20-GHz sampling operation, which is suitable for GHz-range analog-to-digital converter applications.

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© 2005 by The Institute of Electronics, Information and Communication Engineers
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