Referenced Items are not available for this document.
This brief investigates the lock range of injection-locked LC oscillators using a linear control system approach. It explores the intrinsic relation between the lock range of injection-locked LC oscillators and the injection-induced variation of the impedance of the LC tank. We show that injection-locked active-inductor LC oscillators exhibit a larger lock range, as compared with their passive counterparts. We further show that the large lock range of injection-locked active-inductor oscillators is due to both the low quality factor and the large injection-induced variation of the inductance of active inductors. These findings are validated using an injection-locked passive LC oscillator and an injection-locked active-inductor LC oscillator designed in IBM 0.13- μm 1.2-V CMOS technology.
Published in:
Circuits and Systems II: Express Briefs, IEEE Transactions on
(Volume:58
,
Issue:
10
)
Date of Publication: Oct. 2011
- Page(s):
- 627 - 631
- ISSN :
- 1549-7747
- INSPEC Accession Number:
- 12300819
- Digital Object Identifier :
- 10.1109/TCSII.2011.2164154
- Product Type:
- Journals & Magazines
- Date of Publication :
- 03 October 2011
- Date of Current Version :
- 17 October 2011
- Issue Date :
- Oct. 2011
- Sponsored by :
- IEEE Circuits and Systems Society
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