Wide-Locking Range Divide-by-4 Injection-Locked Frequency Divider Using Linear Mixer Approach

A novel divide-by-4 injection-locked frequency divider (ILFD) is proposed and was implemented in the TSMC 0.18 μm 1P6M CMOS process. Conventional harmonic mixer divide-by-4 ILFD has limited locking range, and this letter shows a wide locking range divide-by-4 ILFD designed with linear mixer techniqu...

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Bibliographic Details
Published in:IEEE microwave and wireless components letters 2017-04, Vol.27 (4), p.398-400
Main Authors: Jang, Sheng-Lyang, Kung, Tsui-Chun, Hsue, Ching-Wen
Format: Article
Language:English
Subjects:
CMOS
Divide-by-4
Frequency locking
Frequency measurement
Harmonic analysis
injection-locked frequency divider (ILFD)
LC resonator
linear mixer
locking range
Mixers
MOSFET
Phase noise
Power consumption
Resonant frequency
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Summary:A novel divide-by-4 injection-locked frequency divider (ILFD) is proposed and was implemented in the TSMC 0.18 μm 1P6M CMOS process. Conventional harmonic mixer divide-by-4 ILFD has limited locking range, and this letter shows a wide locking range divide-by-4 ILFD designed with linear mixer technique. At the drain-source bias of 1 V and at the incident power of 0 dBm, the locking range is 3.9 GHz (36.28%) from 8.8 to 12.7 GHz at the power consumption of 3.61 mW. The freerunning oscillation frequency is 2.6 GHz. The proposed ILFD is based on a cross-coupled voltage-controlled oscillator.
ISSN:1531-1309
2771-957X
1558-1764
2771-9588
DOI:10.1109/LMWC.2017.2678441