All-digital delay line-based time difference amplifier in 65 nm CMOS technology
- Author(s): Ramin Razmdideh 1 and Mohsen Saneei 1
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View affiliations
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Affiliations:
1:
Department of Electrical Engineering , Shahid Bahonar University of Kerman , 22 Bahman Blvd, Kerman , Iran
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Affiliations:
1:
Department of Electrical Engineering , Shahid Bahonar University of Kerman , 22 Bahman Blvd, Kerman , Iran
- Source:
Volume 13, Issue 4,
July
2019,
p.
421 – 427
DOI: 10.1049/iet-cds.2018.5304 , Print ISSN 1751-858X, Online ISSN 1751-8598
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Time-to-digital converter (TDC) is one of the important blocks in most of the digital systems that need to have high resolution. Time difference amplifier (TDA) is used in TDC for increasing the resolution. In this study, an all-digital TDA is proposed. The proposed TDA uses the delay lines with difference delay for amplifying. The proposed circuit is designed and simulated in 65 nm CMOS technology and has a gain of ten and a chip area of about 0.003 mm2. The calculated maximum gain error is 5%. The proposed TDA consumes 0.94 mW power under 1.1 V supply voltage.
Inspec keywords: delay lines; differential amplifiers; CMOS integrated circuits
Other keywords: time-to-digital converter; difference delay; time difference amplifier; size 65.0 nm; size 0.003 mm; power 0.94 mW; all-digital TDA; TDC; digital delay line; voltage 1.1 V; CMOS technology
Subjects: CMOS integrated circuits; Amplifiers; Pulse circuits
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