Microprocessors, Volume. , Issue 3, 52(2025)

A design of high-precision RC oscillator for low temperature drift

WANG Shuo, XIN Xiaoning, and REN Jian
Author Affiliations
  • School of Information Science and Engineering, Shenyang University of Technology, Shenyang 110870, China
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    References(8)

    [8] [8] LIU N, AGARWALA R, DISSANAYAKE A, et al. A 2.5 ppm/C 1.05-MHz Relaxation Oscillator With Dynamic Frequency-Error Compensation and Fast Start-Up Time[J]. IEEE Journal of Solid-State Circuits, 2019, 54(7):1952-1959.

    [9] [9] LEE J, GEORGE A K, JE M. An Ultra-Low-Noise Swing-Boosted Differential Relaxation Oscillator in 0.18-m CMOS[J]. IEEE Journal of Solid-State Circuits,2020, 54(9): 2489-2497.

    [12] [12] DELKE A S, ANNEMA A J, ALINK M S O, et al. A Single-Trim Frequency Reference Achieving ±120 ppm Accuracy From −50 °C to 170 °C[J]. IEEE Journal of Solid-State Circuits, 2021, 56(11): 3434-3444.

    [13] [13] GRLEYK , PAN S, MAKINWA K A A. A 16 MHz CMOS RC Frequency Reference With ±90 ppm Inaccuracy From −45 °C to 85 °C[J]. IEEE Journal of Solid-State Circuits, 2022, 57(8): 2429-2437.

    [15] [15] Li Y. A 20s turn-on time, 24kHz resolution, 1.5-100MHz digitally programmable temperature-compensated clock generator with 7.5ppm/°C inaccuracy[C]. 2022 IEEE Custom Integrated Circuits Conference (CICC),Newport Beach, CA, USA, 2022, 1-2.

    [16] [16] Khashaba A, Zhu J, Pal N, et al. A 32-MHz, 34-W Temperature-Compensated RC Oscillator Using Pulse Density Modulated Resistors[J]. IEEE Journal of Solid-State Circuits, 2022, 57(5): 1470-1479.

    [17] [17] Park K S. A 1-W/MHz RC Oscillator With Three-Point Trimmed 2.1-ppm/°C and Single-Point Trimmed 8.7-ppm/°C Stability From40 °C to 95 °C[J]. IEEE Journal of Solid-State Circuits, 2023, 58(7): 2064-2074.

    [18] [18] Park K S. A Temperature- and Aging-Compensated RC Oscillator With ±1030-ppm Inaccuracy From40 °C to 85 °C After Accelerated Aging for 500 h at 125 °C[J]. IEEE Journal of Solid-State Circuits, 2023, 58(12): 3459-3469.

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    WANG Shuo, XIN Xiaoning, REN Jian. A design of high-precision RC oscillator for low temperature drift[J]. Microprocessors, 2025, (3): 52

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    Paper Information

    Received: Dec. 16, 2024

    Accepted: Aug. 25, 2025

    Published Online: Aug. 25, 2025

    The Author Email:

    DOI:10.3969/j.issn.1002-2279.2025.03.009

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