A COMPARATIVE ANALYSIS OF INJECTION LOCKING IN RING VCO

Hemant Raghuwanshi Shyam Singh Dangi

Abstract


This paper presents the merits of injection locking scheme used in ring oscillators and comparison between injection locked Ring VCO and conventional ring VCO. This paper proposed a injection locking mechanism in Differential ring oscillator in 0.25μm technology at supply voltage of 2.5 volts using EDA Tanner Tool. The Differential Injection locked Ring oscillator has a power consumption of 13mw with good phase noise performance and more area efficient. The proposed work made a comparative analysis of injection locking in ring VCO with the conventional ring VCO.

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References


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Ref.

Technology(um)

Oscillator type

Injection locking

Power dissipation(mw)

Offset frequency(mhz)

Phase noise (dbc/hz)

18

Ring

Yes

96

-116

045

LC

Yes

1

-

-

18

Ring

No

5

-91.4

090

Ring

Yes

7

-133

35

Ring

Yes

-127

18

Ring

No

-82

18

Ring

No

-90.1

18

Ring

No

-120

18

Ring

No

-107

This work

25

Ring

yes

-

-

[2][2]

[3][3]

[6][6]

[7][7]

[7][7]

[11][11][11]

[12][12][12]

[13][13][13]

[14][14][14]

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Power dissipation(mw)Power dissipation(mw) Power dissipation(mw)Power dissipation(mw)Power dissipation(mw)Power dissipation(mw)Power dissipation(mw)Power dissipation(mw) Power dissipation(mw)Power dissipation(mw)Power dissipation(mw)Power dissipation(mw)Power dissipation(mw) Power dissipation(mw)Power dissipation(mw)Power dissipation(mw)Power dissipation(mw)

UGC Approved Journal No.64664

Available Online: https://journal.scienceacad.com

Vol 20, No 01, January 2019 “14th-Conference"(IC-GAEMPSH) ISSN No.- 9726-001X

ID – JCS-9726-001X-2019 5

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