Frequency Range Enhancement in Differential Ring VCO while Maintaining Phase Noise Performance Article Swipe
Mayank Kumar Singh
,
Puneet Kumar Singh
,
Naveen Kadayinti
,
Devarshi Mrinal Das
,
Mahendra Sakare
·
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.36227/techrxiv.22360546.v1
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.36227/techrxiv.22360546.v1
This paper presents a differential delay cell-based ring voltage-controlled oscillator (RVCO). The proposed RVCO (PRVCO) introduces auxiliary charging and discharging paths in conventional ring VCO (CRVCO) that enhance the maximum operating frequency and frequency range. Adding auxiliary paths does not increase the maximum current in PRVCO within different time instants in one period compared to other available RVCOs. Thus, it maintains the phase noise performance. The post-layout simulations of the four-stage PRVCO were performed in 65nm CMOS technology with 1V supply voltage. The maximum operating frequency of the four-stage CRVCO, and PRVCO, are 585MHz and 3.2 GHz, respectively. The PRVCO improves the maximum operating frequency significantly compared to CRVCO. The PRVCO has a linear tuning range from 1.8 GHz to 3.2 GHz, which is 78% better than the CRVCO. The phase noise of the PRVCO is -103.8 dBc/Hz at an offset frequency of 1 MHz. The figure of merit (FoM) is improved by 11 dB compared to CRVCO in the same technology node of 65nm CMOS.
Related Topics
Concepts
Voltage-controlled oscillator
dBc
Phase noise
CMOS
Figure of merit
Ring oscillator
Frequency offset
Electrical engineering
Voltage
Offset (computer science)
Electronic engineering
Physics
Materials science
Engineering
Optoelectronics
Computer science
Orthogonal frequency-division multiplexing
Channel (broadcasting)
Programming language
Metadata
- Type
- preprint
- Language
- en
- Landing Page
- https://doi.org/10.36227/techrxiv.22360546.v1
- OA Status
- gold
- References
- 12
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4362640135
All OpenAlex metadata
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- OpenAlex ID
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https://openalex.org/W4362640135Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.36227/techrxiv.22360546.v1Digital Object Identifier
- Title
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Frequency Range Enhancement in Differential Ring VCO while Maintaining Phase Noise PerformanceWork title
- Type
-
preprintOpenAlex work type
- Language
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enPrimary language
- Publication year
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2023Year of publication
- Publication date
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2023-04-05Full publication date if available
- Authors
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Mayank Kumar Singh, Puneet Kumar Singh, Naveen Kadayinti, Devarshi Mrinal Das, Mahendra SakareList of authors in order
- Landing page
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https://doi.org/10.36227/techrxiv.22360546.v1Publisher landing page
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YesWhether a free full text is available
- OA status
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goldOpen access status per OpenAlex
- OA URL
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https://doi.org/10.36227/techrxiv.22360546.v1Direct OA link when available
- Concepts
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Voltage-controlled oscillator, dBc, Phase noise, CMOS, Figure of merit, Ring oscillator, Frequency offset, Electrical engineering, Voltage, Offset (computer science), Electronic engineering, Physics, Materials science, Engineering, Optoelectronics, Computer science, Orthogonal frequency-division multiplexing, Channel (broadcasting), Programming languageTop concepts (fields/topics) attached by OpenAlex
- Cited by
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0Total citation count in OpenAlex
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