An Injection-Locked Frequency Divider With Multiple Highly Nonlinear Injection Stages and Large Division Ratios

An injection-locked frequency divider (ILFD) with multiple highly nonlinear injection stages is discussed. Implemented in a standard 0.18-mum CMOS technology, measurement shows that multiple division ratios from 6 to 18 are achieved while the locking ranges are all above 1.7 GHz without the need for...

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Bibliographic Details
Published in:IEEE transactions on circuits and systems. 2, Analog and digital signal processing Analog and digital signal processing, 2007-04, Vol.54 (4), p.313-317
Main Authors: Haitao Tong, Shanfeng Cheng, Karsilayan, A.I., Martinez, J.S.
Format: Article
Language:English
Subjects:
Circuits
CMOS
CMOS technology
Division
Division ratio
Energy consumption
Frequency conversion
Frequency dividers
injection locked frequency dividers (ILFDs)
Injection-locked oscillators
locking range
Measurement standards
Nonlinear filters
Nonlinearity
Power consumption
Ring oscillators
Tuning
Voltage-controlled oscillators
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Description
Summary:An injection-locked frequency divider (ILFD) with multiple highly nonlinear injection stages is discussed. Implemented in a standard 0.18-mum CMOS technology, measurement shows that multiple division ratios from 6 to 18 are achieved while the locking ranges are all above 1.7 GHz without the need for additional tuning. The ILFD can be locked at the maximum injection frequency of 11 GHz with the power consumption no more than 7.2 mW from a 1.8-V power supply
ISSN:1549-7747
1057-7130
1558-3791
DOI:10.1109/TCSII.2007.895071