This paper presents a constant-current-controlled class-C VCO using a self-adjusting replica bias circuit. The proposed class-C VCO is more suitable in real-life applications as it can maintain constant current which is more robust in phase noise performance over variation of gate bias of cross-coupled pair comparing to a traditional approach without amplitude modulation issue. The proposed VCO is implemented in 180 nm CMOS process. It achieves a tuning range of 4.8–4.9 GHz with a phase noise of -121 dBc/Hz at 1 MHz offset. The power consumption of the core oscillators is 4.8 mW and an FoM of -189 dBc/Hz is achieved.
Teerachot SIRIBURANON
Tokyo Institute of Technology
Wei DENG
Tokyo Institute of Technology
Kenichi OKADA
Tokyo Institute of Technology
Akira MATSUZAWA
Tokyo Institute of Technology
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Teerachot SIRIBURANON, Wei DENG, Kenichi OKADA, Akira MATSUZAWA, "A Constant-Current-Controlled Class-C Voltage-Controlled Oscillator using Self-Adjusting Replica Bias Circuit" in IEICE TRANSACTIONS on Electronics,
vol. E98-C, no. 6, pp. 471-479, June 2015, doi: 10.1587/transele.E98.C.471.
Abstract: This paper presents a constant-current-controlled class-C VCO using a self-adjusting replica bias circuit. The proposed class-C VCO is more suitable in real-life applications as it can maintain constant current which is more robust in phase noise performance over variation of gate bias of cross-coupled pair comparing to a traditional approach without amplitude modulation issue. The proposed VCO is implemented in 180 nm CMOS process. It achieves a tuning range of 4.8–4.9 GHz with a phase noise of -121 dBc/Hz at 1 MHz offset. The power consumption of the core oscillators is 4.8 mW and an FoM of -189 dBc/Hz is achieved.
URL: https://global.ieice.org/en_transactions/electronics/10.1587/transele.E98.C.471/_p
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@ARTICLE{e98-c_6_471,
author={Teerachot SIRIBURANON, Wei DENG, Kenichi OKADA, Akira MATSUZAWA, },
journal={IEICE TRANSACTIONS on Electronics},
title={A Constant-Current-Controlled Class-C Voltage-Controlled Oscillator using Self-Adjusting Replica Bias Circuit},
year={2015},
volume={E98-C},
number={6},
pages={471-479},
abstract={This paper presents a constant-current-controlled class-C VCO using a self-adjusting replica bias circuit. The proposed class-C VCO is more suitable in real-life applications as it can maintain constant current which is more robust in phase noise performance over variation of gate bias of cross-coupled pair comparing to a traditional approach without amplitude modulation issue. The proposed VCO is implemented in 180 nm CMOS process. It achieves a tuning range of 4.8–4.9 GHz with a phase noise of -121 dBc/Hz at 1 MHz offset. The power consumption of the core oscillators is 4.8 mW and an FoM of -189 dBc/Hz is achieved.},
keywords={},
doi={10.1587/transele.E98.C.471},
ISSN={1745-1353},
month={June},}
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TY - JOUR
TI - A Constant-Current-Controlled Class-C Voltage-Controlled Oscillator using Self-Adjusting Replica Bias Circuit
T2 - IEICE TRANSACTIONS on Electronics
SP - 471
EP - 479
AU - Teerachot SIRIBURANON
AU - Wei DENG
AU - Kenichi OKADA
AU - Akira MATSUZAWA
PY - 2015
DO - 10.1587/transele.E98.C.471
JO - IEICE TRANSACTIONS on Electronics
SN - 1745-1353
VL - E98-C
IS - 6
JA - IEICE TRANSACTIONS on Electronics
Y1 - June 2015
AB - This paper presents a constant-current-controlled class-C VCO using a self-adjusting replica bias circuit. The proposed class-C VCO is more suitable in real-life applications as it can maintain constant current which is more robust in phase noise performance over variation of gate bias of cross-coupled pair comparing to a traditional approach without amplitude modulation issue. The proposed VCO is implemented in 180 nm CMOS process. It achieves a tuning range of 4.8–4.9 GHz with a phase noise of -121 dBc/Hz at 1 MHz offset. The power consumption of the core oscillators is 4.8 mW and an FoM of -189 dBc/Hz is achieved.
ER -