Abstract | ||
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The oscillator architecture is proposed to reduce the close-in phase noise as well as power consumption. The proposed Colpitts oscillator removes the current source which is the main source of the 1/
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noise conversion. The removal of the current source is compensated by using the transformer and cross-coupled capacitors. The 2-GHz film bulk acoustic resonator (FBAR) is used for the high Q frequency selective elements in the oscillator design. According to measurement results, this FBAR-based oscillator shows
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10 dB reduction in close-in phase noise. Specifically, 12-dB lower phase noise is achieved at 100 Hz offset frequency. Measured power consumption is 350 uW, which is almost half of the conventional Colpitts oscillator using same FBAR device. |
Year | DOI | Venue |
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2019 | 10.1109/TCSII.2018.2867563 | IEEE Transactions on Circuits and Systems II: Express Briefs |
Keywords | DocType | Volume |
Phase noise,Inductors,Power demand,Film bulk acoustic resonators,Capacitors,Resonant frequency | Journal | 66 |
Issue | ISSN | Citations |
4 | 1549-7747 | 0 |
PageRank | References | Authors |
0.34 | 0 | 4 |
Name | Order | Citations | PageRank |
---|---|---|---|
Jabeom Koo | 1 | 41 | 7.72 |
Keping Wang | 2 | 8 | 4.42 |
Richard C. Ruby | 3 | 2 | 3.30 |
Brian P. Otis | 4 | 353 | 40.48 |