Presentation 2008-01-18
A compact RF signal quality measurement macro for RF test and diagnosis
Koichi NOSE, Masayuki MIZUNO,
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Abstract(in English) Our RF signal-quality measurement macro employs 1) a new window-shifting measurement technique that obtains the power of a high-frequency component on the basis of lower-frequency measurements, and 2) a new stair-like weighted addition technique that decreases error due to harmonic power, phase, and DC offset in measured signals. The macro occupies only 1/10 the area of conventional on-chip spectrum analyzers. Carrier power for 2.4GHz-Tx was successfully measured with digital testers alone, with an error of only <1dB, and harmonic-emission exceeding FCC regulations (>-20dBm) was also successfully detected.
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Keyword(in English) Radiofrequency testing / Spectrum measurement / Harmonic analysis
Paper # CPM2007-138,ICD2007-149
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Conference Date 2008/1/10(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A compact RF signal quality measurement macro for RF test and diagnosis
Sub Title (in English)
Keyword(1) Radiofrequency testing
Keyword(2) Spectrum measurement
Keyword(3) Harmonic analysis
1st Author's Name Koichi NOSE
1st Author's Affiliation Device Platforms Research Laboratories, NEC Corporation()
2nd Author's Name Masayuki MIZUNO
2nd Author's Affiliation Device Platforms Research Laboratories, NEC Corporation
Date 2008-01-18
Paper # CPM2007-138,ICD2007-149
Volume (vol) vol.107
Number (no) 426
Page pp.pp.-
#Pages 6
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