This paper presents two ultra-low voltage and high performance VCO ICs with two novel transformer-based harmonic tuned tanks. The first proposed harmonic tuned tank effectively shapes the pseudo-square drain-node voltage waveform for close-in phase noise reduction. To compensate the voltage drop caused by the transformer, an improved second tank is proposed. It not only has tuned harmonic impedance but also provides a voltage gain to enlarge the output voltage swing over supply voltage limitation. The VCO with second tank exhibits over 3 dB better phase noise performance in 1/f2 region among all tuning range. The two VCO ICs are designed, fabricated and measured on wafer in 45-nm SOI CMOS technology. With only 0.3 V supply voltage, the proposed two VCO ICs exhibit best phase noise of -123.3 and -127.2 dBc/Hz at 10 MHz offset and related FoMs of -191.7 and -192.2 dBc/Hz, respectively. The frequency tuning ranges of them are from 14.05 to 15.14 GHz and from 14.23 to 15.68 GHz, respectively.
Xiao XU
Waseda University
Tsuyoshi SUGIURA
Samsung R&D Institute
Toshihiko YOSHIMASU
Waseda University
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Xiao XU, Tsuyoshi SUGIURA, Toshihiko YOSHIMASU, "0.3 V 15-GHz Band VCO ICs with Novel Transformer-Based Harmonic Tuned Tanks in 45-nm SOI CMOS" in IEICE TRANSACTIONS on Electronics,
vol. E103-C, no. 10, pp. 417-425, October 2020, doi: 10.1587/transele.2020MMP0001.
Abstract: This paper presents two ultra-low voltage and high performance VCO ICs with two novel transformer-based harmonic tuned tanks. The first proposed harmonic tuned tank effectively shapes the pseudo-square drain-node voltage waveform for close-in phase noise reduction. To compensate the voltage drop caused by the transformer, an improved second tank is proposed. It not only has tuned harmonic impedance but also provides a voltage gain to enlarge the output voltage swing over supply voltage limitation. The VCO with second tank exhibits over 3 dB better phase noise performance in 1/f2 region among all tuning range. The two VCO ICs are designed, fabricated and measured on wafer in 45-nm SOI CMOS technology. With only 0.3 V supply voltage, the proposed two VCO ICs exhibit best phase noise of -123.3 and -127.2 dBc/Hz at 10 MHz offset and related FoMs of -191.7 and -192.2 dBc/Hz, respectively. The frequency tuning ranges of them are from 14.05 to 15.14 GHz and from 14.23 to 15.68 GHz, respectively.
URL: https://global.ieice.org/en_transactions/electronics/10.1587/transele.2020MMP0001/_p
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@ARTICLE{e103-c_10_417,
author={Xiao XU, Tsuyoshi SUGIURA, Toshihiko YOSHIMASU, },
journal={IEICE TRANSACTIONS on Electronics},
title={0.3 V 15-GHz Band VCO ICs with Novel Transformer-Based Harmonic Tuned Tanks in 45-nm SOI CMOS},
year={2020},
volume={E103-C},
number={10},
pages={417-425},
abstract={This paper presents two ultra-low voltage and high performance VCO ICs with two novel transformer-based harmonic tuned tanks. The first proposed harmonic tuned tank effectively shapes the pseudo-square drain-node voltage waveform for close-in phase noise reduction. To compensate the voltage drop caused by the transformer, an improved second tank is proposed. It not only has tuned harmonic impedance but also provides a voltage gain to enlarge the output voltage swing over supply voltage limitation. The VCO with second tank exhibits over 3 dB better phase noise performance in 1/f2 region among all tuning range. The two VCO ICs are designed, fabricated and measured on wafer in 45-nm SOI CMOS technology. With only 0.3 V supply voltage, the proposed two VCO ICs exhibit best phase noise of -123.3 and -127.2 dBc/Hz at 10 MHz offset and related FoMs of -191.7 and -192.2 dBc/Hz, respectively. The frequency tuning ranges of them are from 14.05 to 15.14 GHz and from 14.23 to 15.68 GHz, respectively.},
keywords={},
doi={10.1587/transele.2020MMP0001},
ISSN={1745-1353},
month={October},}
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TY - JOUR
TI - 0.3 V 15-GHz Band VCO ICs with Novel Transformer-Based Harmonic Tuned Tanks in 45-nm SOI CMOS
T2 - IEICE TRANSACTIONS on Electronics
SP - 417
EP - 425
AU - Xiao XU
AU - Tsuyoshi SUGIURA
AU - Toshihiko YOSHIMASU
PY - 2020
DO - 10.1587/transele.2020MMP0001
JO - IEICE TRANSACTIONS on Electronics
SN - 1745-1353
VL - E103-C
IS - 10
JA - IEICE TRANSACTIONS on Electronics
Y1 - October 2020
AB - This paper presents two ultra-low voltage and high performance VCO ICs with two novel transformer-based harmonic tuned tanks. The first proposed harmonic tuned tank effectively shapes the pseudo-square drain-node voltage waveform for close-in phase noise reduction. To compensate the voltage drop caused by the transformer, an improved second tank is proposed. It not only has tuned harmonic impedance but also provides a voltage gain to enlarge the output voltage swing over supply voltage limitation. The VCO with second tank exhibits over 3 dB better phase noise performance in 1/f2 region among all tuning range. The two VCO ICs are designed, fabricated and measured on wafer in 45-nm SOI CMOS technology. With only 0.3 V supply voltage, the proposed two VCO ICs exhibit best phase noise of -123.3 and -127.2 dBc/Hz at 10 MHz offset and related FoMs of -191.7 and -192.2 dBc/Hz, respectively. The frequency tuning ranges of them are from 14.05 to 15.14 GHz and from 14.23 to 15.68 GHz, respectively.
ER -