A digitally controlled 2.4-GHz oscillator in 65-nm CMOS
Publication: Research - peer-review › Conference article – Annual report year: 2009
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A digitally controlled 2.4-GHz oscillator in 65-nm CMOS. / Xu, Liangge; Lindfors, Saska; Stadius, Kari; Ryynanen, Jussi.
In: Analog Integrated Circuits and Signal Processing, Vol. 58, No. 1, 2009, p. 35-42.Publication: Research - peer-review › Conference article – Annual report year: 2009
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TY - CONF
T1 - A digitally controlled 2.4-GHz oscillator in 65-nm CMOS
A1 - Xu,Liangge
A1 - Lindfors,Saska
A1 - Stadius,Kari
A1 - Ryynanen,Jussi
AU - Xu,Liangge
AU - Lindfors,Saska
AU - Stadius,Kari
AU - Ryynanen,Jussi
PB - Springer New York LLC
PY - 2009
Y1 - 2009
N2 - This article presents a 2.4-GHz digitally controlled oscillator (DCO) for the ISM band. The circuit is designed using a 65-nm CMOS technology with an operating voltage of 1.2 V. The DCO comprises an LC oscillator core and the digital interface logic. The measured total frequency range is from 2.26 to 3.04 GHz. Its frequency quantization step is approximately 20 kHz, and using a digital I I"-modulator pound (SDM), its effective frequency resolution is better than 1 kHz. Current consumption of the oscillator core is tunable through a 6-bit digital word. The measured phase noise is -122 dBc/Hz at 1-MHz offset frequency with 4.8-mA current consumption.
AB - This article presents a 2.4-GHz digitally controlled oscillator (DCO) for the ISM band. The circuit is designed using a 65-nm CMOS technology with an operating voltage of 1.2 V. The DCO comprises an LC oscillator core and the digital interface logic. The measured total frequency range is from 2.26 to 3.04 GHz. Its frequency quantization step is approximately 20 kHz, and using a digital I I"-modulator pound (SDM), its effective frequency resolution is better than 1 kHz. Current consumption of the oscillator core is tunable through a 6-bit digital word. The measured phase noise is -122 dBc/Hz at 1-MHz offset frequency with 4.8-mA current consumption.
U2 - 10.1007/s10470-008-9178-5
DO - 10.1007/s10470-008-9178-5
JO - Analog Integrated Circuits and Signal Processing
JF - Analog Integrated Circuits and Signal Processing
SN - 0925-1030
IS - 1
VL - 58
SP - 35
EP - 42
ER -