A 0.18-μm CMOS low-spurious local signal generator for MB-QFDM UWB radio

Takashi Tokairin; Noriaki Matsuno; Keiichi Numata; Tadashi Maeda; Shinichi Tanaka

doi:10.1109/RFIC.2007.380868

A 0.18-μm CMOS low-spurious local signal generator for MB-QFDM UWB radio

Takashi Tokairin, Noriaki Matsuno, Keiichi Numata, Tadashi Maeda, Shinichi Tanaka

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

4 Citations (Scopus)

Abstract

This paper presents a new single PLL and single SSB-mixer architecture for a local signal generator of the Mode-1 MB-OFDM UWB systems. Using a VCO running at 8976 MHz and a divide-by-2 circuit, it can provide a 4488-MHz carrier signal with low-spurious levels, which is required to meet the spectrum mask requirements being considered in Japan and Europe. A divide-by-8.5/17 circuit using double-edge triggered operation is introduced to obtain 3432- and 3960-MHz carriers from the same VCO in order to save die area. This circuit generates 1056- and 528-MHz signals, and the required signals can be obtained by mixing these with 4488 MHz signal. The core area of the local signal generator fabricated in a 0.18-μm CMOS technology is 0.67 mm². The spurious levels for the 4488-MHz carrier are below -41 dBc.

Original language	English
Title of host publication	Proceedings of the 2007 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2007
Pages	215-218
Number of pages	4
DOIs	https://doi.org/10.1109/RFIC.2007.380868
Publication status	Published - 2007
Externally published	Yes
Event	2007 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2007 - Honolulu, HI, United States Duration: 2007 Jun 3 → 2007 Jun 5

Publication series

Name	Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium
ISSN (Print)	1529-2517

Conference

Conference	2007 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2007
Country/Territory	United States
City	Honolulu, HI
Period	07/6/3 → 07/6/5

Keywords

CMOS
Frequency synthesizer
Local signal generator
MB-OFDM
UWB

ASJC Scopus subject areas

Engineering(all)

Access to Document

10.1109/RFIC.2007.380868

Cite this

Tokairin, T., Matsuno, N., Numata, K., Maeda, T., & Tanaka, S. (2007). A 0.18-μm CMOS low-spurious local signal generator for MB-QFDM UWB radio. In Proceedings of the 2007 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2007 (pp. 215-218). Article 4266416 (Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium). https://doi.org/10.1109/RFIC.2007.380868

A 0.18-μm CMOS low-spurious local signal generator for MB-QFDM UWB radio. / Tokairin, Takashi; Matsuno, Noriaki; Numata, Keiichi et al.
Proceedings of the 2007 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2007. 2007. p. 215-218 4266416 (Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Tokairin, T, Matsuno, N, Numata, K, Maeda, T & Tanaka, S 2007, A 0.18-μm CMOS low-spurious local signal generator for MB-QFDM UWB radio. in Proceedings of the 2007 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2007., 4266416, Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium, pp. 215-218, 2007 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2007, Honolulu, HI, United States, 07/6/3. https://doi.org/10.1109/RFIC.2007.380868

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abstract = "This paper presents a new single PLL and single SSB-mixer architecture for a local signal generator of the Mode-1 MB-OFDM UWB systems. Using a VCO running at 8976 MHz and a divide-by-2 circuit, it can provide a 4488-MHz carrier signal with low-spurious levels, which is required to meet the spectrum mask requirements being considered in Japan and Europe. A divide-by-8.5/17 circuit using double-edge triggered operation is introduced to obtain 3432- and 3960-MHz carriers from the same VCO in order to save die area. This circuit generates 1056- and 528-MHz signals, and the required signals can be obtained by mixing these with 4488 MHz signal. The core area of the local signal generator fabricated in a 0.18-μm CMOS technology is 0.67 mm2. The spurious levels for the 4488-MHz carrier are below -41 dBc.",

keywords = "CMOS, Frequency synthesizer, Local signal generator, MB-OFDM, UWB",

author = "Takashi Tokairin and Noriaki Matsuno and Keiichi Numata and Tadashi Maeda and Shinichi Tanaka",

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AB - This paper presents a new single PLL and single SSB-mixer architecture for a local signal generator of the Mode-1 MB-OFDM UWB systems. Using a VCO running at 8976 MHz and a divide-by-2 circuit, it can provide a 4488-MHz carrier signal with low-spurious levels, which is required to meet the spectrum mask requirements being considered in Japan and Europe. A divide-by-8.5/17 circuit using double-edge triggered operation is introduced to obtain 3432- and 3960-MHz carriers from the same VCO in order to save die area. This circuit generates 1056- and 528-MHz signals, and the required signals can be obtained by mixing these with 4488 MHz signal. The core area of the local signal generator fabricated in a 0.18-μm CMOS technology is 0.67 mm2. The spurious levels for the 4488-MHz carrier are below -41 dBc.

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A 0.18-μm CMOS low-spurious local signal generator for MB-QFDM UWB radio

Abstract

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Keywords

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