Name
Title | ||
|---|---|---|
A 350uW 2GHz FBAR transformer coupled Colpitts oscillator with close-in phase noise reduction |
Abstract | ||
|---|---|---|
We present the proposed oscillator architecture 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/f noise conversion. The removal of the current source is compensated by the transformer and cross coupled capacitors. The 2GHz FBAR is used for the high Q frequency selective elements in the oscillator design. According to measurement results, this FBAR based oscillator shows ≥ 10dB reduction in close-in phase noise. In specific, 12dB lower phase noise is achieved at 100Hz offset frequency. Measured power consumption is 350uW, which is almost a half of conventional Colpitts oscillator using same FBAR device [3]. |
Year | DOI | Venue |
|---|---|---|
2017 | 10.1109/CICC.2017.7993636 | 2017 IEEE Custom Integrated Circuits Conference (CICC) |
Keywords | Field | DocType |
Oscillators,Phase noise,MEMS,FBAR,Transformer | Colpitts oscillator,Current source,Variable-frequency oscillator,Computer science,Phase noise,Electronic engineering,Voltage-controlled oscillator,Vackář oscillator,Pierce oscillator,Local oscillator | Conference |
ISBN | Citations | PageRank |
978-1-5090-5192-2 | 0 | 0.34 |
References | Authors | |
3 | 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 |