Linearity Enhancement Method for a Wide-Band Digitally Controlled Oscillator

Yun Fang; Zhong Tang; Xiao-Peng Yu; Zhiwei Xu; Hao Gao

Linearity Enhancement Method for a Wide-Band Digitally Controlled Oscillator

Yun Fang, Zhong Tang, Xiao-Peng Yu, Zhiwei Xu, Hao Gao

Research output: Conference proceeding/Chapter in Book/Report/ › Conference Paper › peer-review

Abstract

A linearity enhancement technique for a wide-band digitally controlled oscillator (DCO) is presented in this paper. By adding a calibration resistor array to improve frequency-tuning characteristics, the DCO shows a highly linearized frequency tuning curve without demanding much more power and silicon area. A prototype is designed and fabricated using a 55-nm CMOS process. The test chip has a measured frequency tuning range from 1.3 GHz to 2.5 GHz while occupying 225 × 180 μm². The measured coarse bank tuning maximum DNL is 0.39 LSB and the maximum INL is 4.64 LSB which has been reduced to 43% of the conventional design's. The maximum power consumption is 15.8 mW from a 1.2 V supply voltage.

Original language	English
Title of host publication	2020 15th European Microwave Integrated Circuits Conference (EuMIC)
Publisher	IEEE Computer Society
Pages	105-108
Number of pages	4
ISBN (Print)	978-1-7281-7040-4
Publication status	Published - 15 Jan 2021
Externally published	Yes
Event	2020 15th European Microwave Integrated Circuits Conference (EuMIC) - Utrecht, Netherlands Duration: 10 Jan 2021 → 15 Jan 2021

Conference

Conference	2020 15th European Microwave Integrated Circuits Conference (EuMIC)
Period	10/01/21 → 15/01/21

Keywords

Resistors
Microwave measurement
Semiconductor device measurement
Power demand
Linearity
Frequency measurement
Tuning

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Cite this

@inproceedings{5cfeeb5f86fb42beb59b7e1a2fdb8dba,

title = "Linearity Enhancement Method for a Wide-Band Digitally Controlled Oscillator",

abstract = "A linearity enhancement technique for a wide-band digitally controlled oscillator (DCO) is presented in this paper. By adding a calibration resistor array to improve frequency-tuning characteristics, the DCO shows a highly linearized frequency tuning curve without demanding much more power and silicon area. A prototype is designed and fabricated using a 55-nm CMOS process. The test chip has a measured frequency tuning range from 1.3 GHz to 2.5 GHz while occupying 225 × 180 μm2. The measured coarse bank tuning maximum DNL is 0.39 LSB and the maximum INL is 4.64 LSB which has been reduced to 43% of the conventional design's. The maximum power consumption is 15.8 mW from a 1.2 V supply voltage.",

keywords = "Resistors, Microwave measurement, Semiconductor device measurement, Power demand, Linearity, Frequency measurement, Tuning",

author = "Yun Fang and Zhong Tang and Xiao-Peng Yu and Zhiwei Xu and Hao Gao",

year = "2021",

month = jan,

day = "15",

language = "English",

isbn = "978-1-7281-7040-4",

pages = "105--108",

booktitle = "2020 15th European Microwave Integrated Circuits Conference (EuMIC)",

publisher = "IEEE Computer Society",

address = "United States",

note = "2020 15th European Microwave Integrated Circuits Conference (EuMIC) ; Conference date: 10-01-2021 Through 15-01-2021",

}

Fang, Y, Tang, Z, Yu, X-P, Xu, Z & Gao, H 2021, Linearity Enhancement Method for a Wide-Band Digitally Controlled Oscillator. in 2020 15th European Microwave Integrated Circuits Conference (EuMIC)., 9337447, IEEE Computer Society, pp. 105-108, 2020 15th European Microwave Integrated Circuits Conference (EuMIC), 10/01/21. <https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9337447>

TY - GEN

T1 - Linearity Enhancement Method for a Wide-Band Digitally Controlled Oscillator

AU - Fang, Yun

AU - Tang, Zhong

AU - Yu, Xiao-Peng

AU - Xu, Zhiwei

AU - Gao, Hao

PY - 2021/1/15

Y1 - 2021/1/15

N2 - A linearity enhancement technique for a wide-band digitally controlled oscillator (DCO) is presented in this paper. By adding a calibration resistor array to improve frequency-tuning characteristics, the DCO shows a highly linearized frequency tuning curve without demanding much more power and silicon area. A prototype is designed and fabricated using a 55-nm CMOS process. The test chip has a measured frequency tuning range from 1.3 GHz to 2.5 GHz while occupying 225 × 180 μm2. The measured coarse bank tuning maximum DNL is 0.39 LSB and the maximum INL is 4.64 LSB which has been reduced to 43% of the conventional design's. The maximum power consumption is 15.8 mW from a 1.2 V supply voltage.

AB - A linearity enhancement technique for a wide-band digitally controlled oscillator (DCO) is presented in this paper. By adding a calibration resistor array to improve frequency-tuning characteristics, the DCO shows a highly linearized frequency tuning curve without demanding much more power and silicon area. A prototype is designed and fabricated using a 55-nm CMOS process. The test chip has a measured frequency tuning range from 1.3 GHz to 2.5 GHz while occupying 225 × 180 μm2. The measured coarse bank tuning maximum DNL is 0.39 LSB and the maximum INL is 4.64 LSB which has been reduced to 43% of the conventional design's. The maximum power consumption is 15.8 mW from a 1.2 V supply voltage.

KW - Resistors

KW - Microwave measurement

KW - Semiconductor device measurement

KW - Power demand

KW - Linearity

KW - Frequency measurement

KW - Tuning

UR - https://ieeexplore.ieee.org/document/9337447/

M3 - Conference Paper

SN - 978-1-7281-7040-4

SP - 105

EP - 108

BT - 2020 15th European Microwave Integrated Circuits Conference (EuMIC)

PB - IEEE Computer Society

T2 - 2020 15th European Microwave Integrated Circuits Conference (EuMIC)

Y2 - 10 January 2021 through 15 January 2021

ER -

Linearity Enhancement Method for a Wide-Band Digitally Controlled Oscillator

Abstract

Conference

Keywords

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