IEICE TRANSACTIONS on Electronics
A Design of 0.7-V 400-MHz Digitally-Controlled Oscillator
Summary :
We present a low-voltage digitally-controlled oscillator (DCO) with the third-order ΔΣ modulator utilized in the medical implant communication service (MICS) frequency band. An optimized DCO core operating in the subthreshold region is designed, based on the gm/ID methodology. Thermometer coder with the dynamic element matching and ΔΣ modulator are implemented for the frequency tuning. High frequency resolution is achieved by using the ΔΣ modulator. The ΔΣ-modulator-based LC-DCO implemented in a 130-nm CMOS technology has achieved the phase noise of -115.3 dBc/Hz at 200 kHz offset frequency with the tuning range of 382 MHz to 412 MHz for the MICS band. It consumes 700 µW from a 0.7-V supply voltage and has a high frequency resolution of 18 kHz.
- Publication
- IEICE TRANSACTIONS on Electronics Vol.E98-C No.12 pp.1179-1186
- Publication Date
- 2015/12/01
- Publicized
- Online ISSN
- 1745-1353
- DOI
- 10.1587/transele.E98.C.1179
- Type of Manuscript
- PAPER
- Category
- Integrated Electronics
Authors
Jungnam BAE
Osaka University
Saichandrateja RADHAPURAM
Osaka University
Ikkyun JO
Osaka University
Takao KIHARA
Osaka Institute of Technology
Toshimasa MATSUOKA
Osaka University
Keyword
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Jungnam BAE, Saichandrateja RADHAPURAM, Ikkyun JO, Takao KIHARA, Toshimasa MATSUOKA, "A Design of 0.7-V 400-MHz Digitally-Controlled Oscillator" in IEICE TRANSACTIONS on Electronics,
vol. E98-C, no. 12, pp. 1179-1186, December 2015, doi: 10.1587/transele.E98.C.1179.
Abstract: We present a low-voltage digitally-controlled oscillator (DCO) with the third-order ΔΣ modulator utilized in the medical implant communication service (MICS) frequency band. An optimized DCO core operating in the subthreshold region is designed, based on the gm/ID methodology. Thermometer coder with the dynamic element matching and ΔΣ modulator are implemented for the frequency tuning. High frequency resolution is achieved by using the ΔΣ modulator. The ΔΣ-modulator-based LC-DCO implemented in a 130-nm CMOS technology has achieved the phase noise of -115.3 dBc/Hz at 200 kHz offset frequency with the tuning range of 382 MHz to 412 MHz for the MICS band. It consumes 700 µW from a 0.7-V supply voltage and has a high frequency resolution of 18 kHz.
URL: https://global.ieice.org/en_transactions/electronics/10.1587/transele.E98.C.1179/_p
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@ARTICLE{e98-c_12_1179,
author={Jungnam BAE, Saichandrateja RADHAPURAM, Ikkyun JO, Takao KIHARA, Toshimasa MATSUOKA, },
journal={IEICE TRANSACTIONS on Electronics},
title={A Design of 0.7-V 400-MHz Digitally-Controlled Oscillator},
year={2015},
volume={E98-C},
number={12},
pages={1179-1186},
abstract={We present a low-voltage digitally-controlled oscillator (DCO) with the third-order ΔΣ modulator utilized in the medical implant communication service (MICS) frequency band. An optimized DCO core operating in the subthreshold region is designed, based on the gm/ID methodology. Thermometer coder with the dynamic element matching and ΔΣ modulator are implemented for the frequency tuning. High frequency resolution is achieved by using the ΔΣ modulator. The ΔΣ-modulator-based LC-DCO implemented in a 130-nm CMOS technology has achieved the phase noise of -115.3 dBc/Hz at 200 kHz offset frequency with the tuning range of 382 MHz to 412 MHz for the MICS band. It consumes 700 µW from a 0.7-V supply voltage and has a high frequency resolution of 18 kHz.},
keywords={},
doi={10.1587/transele.E98.C.1179},
ISSN={1745-1353},
month={December},}
Copy
TY - JOUR
TI - A Design of 0.7-V 400-MHz Digitally-Controlled Oscillator
T2 - IEICE TRANSACTIONS on Electronics
SP - 1179
EP - 1186
AU - Jungnam BAE
AU - Saichandrateja RADHAPURAM
AU - Ikkyun JO
AU - Takao KIHARA
AU - Toshimasa MATSUOKA
PY - 2015
DO - 10.1587/transele.E98.C.1179
JO - IEICE TRANSACTIONS on Electronics
SN - 1745-1353
VL - E98-C
IS - 12
JA - IEICE TRANSACTIONS on Electronics
Y1 - December 2015
AB - We present a low-voltage digitally-controlled oscillator (DCO) with the third-order ΔΣ modulator utilized in the medical implant communication service (MICS) frequency band. An optimized DCO core operating in the subthreshold region is designed, based on the gm/ID methodology. Thermometer coder with the dynamic element matching and ΔΣ modulator are implemented for the frequency tuning. High frequency resolution is achieved by using the ΔΣ modulator. The ΔΣ-modulator-based LC-DCO implemented in a 130-nm CMOS technology has achieved the phase noise of -115.3 dBc/Hz at 200 kHz offset frequency with the tuning range of 382 MHz to 412 MHz for the MICS band. It consumes 700 µW from a 0.7-V supply voltage and has a high frequency resolution of 18 kHz.
ER -
English
