Gated ring oscillator with constant dynamic power consumption
Abstract
A pure digital ring oscillator with constant power consumption as oscillation frequency is adjusted. Circuit topology includes a multiplexer implemented in NAND gates and a delay element positioned after a path selection NAND gate of that multiplexer such that delay element transistors may not toggle if the non-delaying signal path is selected. Assuming a delay element oscillation frequency f and a total capacitance C, and also assuming a plurality N of delay gates each characterized by a propagation delay t1 and a capacitance C1 such that C=C1*N, the ring oscillator of the present invention is characterized by a C value that is proportional to N and an f value that is inversely proportional to N. Furthermore, each of the N delay gates as well as the input and output gates of the multiplexer are characterized by a common capacitance-to-propagation delay ratio=C1/t1.
- Inventors:
- Issue Date:
- Research Org.:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1892735
- Patent Number(s):
- 11283430
- Application Number:
- 16/916,473
- Assignee:
- Fermi Research Alliance, LLC (Batavia, IL)
- Patent Classifications (CPCs):
-
H - ELECTRICITY H03 - BASIC ELECTRONIC CIRCUITRY H03K - PULSE TECHNIQUE
- DOE Contract Number:
- AC02-07CH11359
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 06/30/2020
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Wu, Jinyuan. Gated ring oscillator with constant dynamic power consumption. United States: N. p., 2022.
Web.
Wu, Jinyuan. Gated ring oscillator with constant dynamic power consumption. United States.
Wu, Jinyuan. Tue .
"Gated ring oscillator with constant dynamic power consumption". United States. https://www.osti.gov/servlets/purl/1892735.
@article{osti_1892735,
title = {Gated ring oscillator with constant dynamic power consumption},
author = {Wu, Jinyuan},
abstractNote = {A pure digital ring oscillator with constant power consumption as oscillation frequency is adjusted. Circuit topology includes a multiplexer implemented in NAND gates and a delay element positioned after a path selection NAND gate of that multiplexer such that delay element transistors may not toggle if the non-delaying signal path is selected. Assuming a delay element oscillation frequency f and a total capacitance C, and also assuming a plurality N of delay gates each characterized by a propagation delay t1 and a capacitance C1 such that C=C1*N, the ring oscillator of the present invention is characterized by a C value that is proportional to N and an f value that is inversely proportional to N. Furthermore, each of the N delay gates as well as the input and output gates of the multiplexer are characterized by a common capacitance-to-propagation delay ratio=C1/t1.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2022},
month = {3}
}
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