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A programmable CMOS delay line for wide delay range generation and duty-cycle adjustability


Abdulrazzaq, Bilal Isam and Abdul Halin, Izhal and Lee, Lini and Mohd Sidek, Roslina and Md Yunus, Nurul Amziah (2017) A programmable CMOS delay line for wide delay range generation and duty-cycle adjustability. Pertanika Journal of Science & Technology, 25 (spec. Feb.). pp. 123-132. ISSN 0128-7680; ESSN: 2231-8526

Abstract / Synopsis

A programmable CMOS delay line circuit with microsecond delay range and adjustable duty cycle is proposed. Through circuit simulation, approximately 2µs delay range can be achieved using 10-bit counter operating at a clock frequency of 500MHz. Utilising synchronous counters instead of synchronous latches has significantly reduced the large occupied active silicon area as well as the huge power consumption. The generated coarse time delay has shown excellent linearity and immunity to PVT variations. The proposed CMOS delay line is designed using a standard 0.13µm Silterra CMOS technology. The active layout area is (101 x 142) µm2, and the total power consumption is only 0.1 µW.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
Publisher: Universiti Putra Malaysia Press
Keywords: CMOS delay line; Synchronous counter; Latches; Delay element; Delay range; Duty cycle; Linearity; PVT variations
Depositing User: Nabilah Mustapa
Date Deposited: 30 Jun 2017 17:47
Last Modified: 05 Jul 2017 11:44
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