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 proceedingConference 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 languageEnglish
Title of host publicationDigest of Papers - IEEE Radio Frequency Integrated Circuits Symposium
Pages215-218
Number of pages4
DOIs
Publication statusPublished - 2007
Externally publishedYes
Event2007 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2007 - Honolulu, HI
Duration: 2007 Jun 32007 Jun 5

Other

Other2007 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2007
CityHonolulu, HI
Period07/6/307/6/5

Fingerprint

Signal generators
Ultra-wideband (UWB)
Variable frequency oscillators
Networks (circuits)
Mixer circuits
Phase locked loops
Orthogonal frequency division multiplexing
Masks

Keywords

  • CMOS
  • Frequency synthesizer
  • Local signal generator
  • MB-OFDM
  • UWB

ASJC Scopus subject areas

  • Engineering(all)

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 Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium (pp. 215-218). [4266416] 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; Maeda, Tadashi; Tanaka, Shinichi.

Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium. 2007. p. 215-218 4266416.

Research output: Chapter in Book/Report/Conference proceedingConference 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 Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium., 4266416, pp. 215-218, 2007 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2007, Honolulu, HI, 07/6/3. https://doi.org/10.1109/RFIC.2007.380868
Tokairin T, Matsuno N, Numata K, Maeda T, Tanaka S. A 0.18-μm CMOS low-spurious local signal generator for MB-QFDM UWB radio. In Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium. 2007. p. 215-218. 4266416 https://doi.org/10.1109/RFIC.2007.380868
Tokairin, Takashi ; Matsuno, Noriaki ; Numata, Keiichi ; Maeda, Tadashi ; Tanaka, Shinichi. / A 0.18-μm CMOS low-spurious local signal generator for MB-QFDM UWB radio. Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium. 2007. pp. 215-218
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