Low-voltage, wide-locking-range, millimeter-wave divide-by-5 injection-locked frequency dividers

Ming Wei Li, Po Chi Wang, Tzuen-Hsi Huang, Huey-Ru Chuang

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

A new injector topology is proposed for the design of CMOS millimeter-wave divide-by-5 injection-locked frequency dividers (ILFDs). The topology is based on a distributed-element harmonic termination by an open-stub structure connected to the floating source end of the differential injection pair. ILFDs operating at 24 and 60 GHz are demonstrated in this study. The new topology combined with an N-MOS cross-coupled oscillator core can greatly reduce the supply voltage and power consumption requirement of the divider. The simulated results indicate that, by using the distributed-element harmonic termination, the locking range can be improved by over 40 and 72% for the 24- and 60-GHz operations, respectively. The test circuits for the 24- and 60-GHz ILFDs are implemented by a 0.18-μm and 90-nm CMOS process, respectively. The power consumption is 7.4 and 3.75 mW at a supply voltage of 0.7 and 0.6 V, with a very wide locking range of 1.9 and 4.1 GHz, for the 24- and 60-GHz ILFDs, respectively. The proposed 24- and 60-GHz divide-by-5 ILFDs have the outstanding figure-of-merit (FOM) values of 6.4 and 69.4, respectively, compared with reported works.

Original languageEnglish
Article number06138886
Pages (from-to)679-685
Number of pages7
JournalIEEE Transactions on Microwave Theory and Techniques
Volume60
Issue number3 PART 2
DOIs
Publication statusPublished - 2012 Mar 1

Fingerprint

frequency dividers
Millimeter waves
low voltage
millimeter waves
locking
Topology
injection
Electric potential
Electric power utilization
topology
CMOS
harmonics
Networks (circuits)
dividers
electric potential
injectors
figure of merit
floating
oscillators
requirements

All Science Journal Classification (ASJC) codes

  • Radiation
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

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title = "Low-voltage, wide-locking-range, millimeter-wave divide-by-5 injection-locked frequency dividers",
abstract = "A new injector topology is proposed for the design of CMOS millimeter-wave divide-by-5 injection-locked frequency dividers (ILFDs). The topology is based on a distributed-element harmonic termination by an open-stub structure connected to the floating source end of the differential injection pair. ILFDs operating at 24 and 60 GHz are demonstrated in this study. The new topology combined with an N-MOS cross-coupled oscillator core can greatly reduce the supply voltage and power consumption requirement of the divider. The simulated results indicate that, by using the distributed-element harmonic termination, the locking range can be improved by over 40 and 72{\%} for the 24- and 60-GHz operations, respectively. The test circuits for the 24- and 60-GHz ILFDs are implemented by a 0.18-μm and 90-nm CMOS process, respectively. The power consumption is 7.4 and 3.75 mW at a supply voltage of 0.7 and 0.6 V, with a very wide locking range of 1.9 and 4.1 GHz, for the 24- and 60-GHz ILFDs, respectively. The proposed 24- and 60-GHz divide-by-5 ILFDs have the outstanding figure-of-merit (FOM) values of 6.4 and 69.4, respectively, compared with reported works.",
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Low-voltage, wide-locking-range, millimeter-wave divide-by-5 injection-locked frequency dividers. / Li, Ming Wei; Wang, Po Chi; Huang, Tzuen-Hsi; Chuang, Huey-Ru.

In: IEEE Transactions on Microwave Theory and Techniques, Vol. 60, No. 3 PART 2, 06138886, 01.03.2012, p. 679-685.

Research output: Contribution to journalArticle

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