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70MHz Oscillator Circuit Based on Constant Threshold Inverters

The present work proposes an innovative low voltage, 70 MHz frequency oscillator circuit, designed for sub micrometer technologies, based on constant threshold inverters. The circuit comes as a direct replacement for the current starved ring oscillator topology, featuring low supply voltage influence on the output frequency. The designed supply voltage range is between 1.6V and 2V.

Author(s):

Alexandru-Mihai ANTONESCU    
Faculty of Electrical Engineering and Information Technology, University “Politehnica” of Bucharest
Romania

Lidia DOBRESCU    
Faculty of Electrical Engineering and Information Technology, University “Politehnica” of Bucharest
Romania