Rail-to-rail multiphase supply insensitive voltage controlled oscillator for low power converters

Author

Elhassan, Mohanad A. M. ; Al-Ghamdi, Mohammad K.

Author_Institution

Dept. of Electr. Eng., King Fahd Univ. of Pet. & Miner., Dhahran, Saudi Arabia

fYear

2015

fDate

7-10 June 2015

Firstpage

1

Lastpage

4

Abstract

In this paper we present a sizing methodology to make the cross coupled inverter based delay cell supply insensitive. The delay cell is used to design a three phase supply insensitive oscillator with an output frequency range of 2.4-65 MHz for a control voltage range of 0.5 V to 1.2 V over a supply range of 1.2-1.8 V. The power consumption in this range was found to be between 360 nW and 13 μW. Further analyses of the oscillator characteristics are presented. The oscillator was simulated in LFoundry 150nm process in Cadence Tools.

Keywords

VHF oscillators; invertors; low-power electronics; voltage-controlled oscillators; LFoundry process; cadence tools; cross coupled inverter; delay cell supply insensitive; frequency 2.4 MHz to 65 MHz; insensitive voltage controlled oscillator; low power converters; power 360 nW to 13 muW; rail-to-rail multiphase supply; size 150 nm; sizing methodology; voltage 0.5 V to 1.8 V; Delays; Frequency control; Inverters; Ring oscillators; Switches; Voltage control;

fLanguage

English

Publisher

ieee

Conference_Titel

New Circuits and Systems Conference (NEWCAS), 2015 IEEE 13th International

Conference_Location

Grenoble

Type

conf

DOI

10.1109/NEWCAS.2015.7182024

Filename

7182024