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The present work proposes a self-bias compensation technique for the frequency supply voltage dependence in low cost charge/discharge oscillator topologies. The main bias current of the oscillator will include a supply voltage dependent current. The main goal is to reduce the supply voltage dependence for a range between 1.6 and 2V, for a current starved ring oscillator and a new charge/discharge...
The present work proposes a capacitor charge /discharge based oscillator topology. The circuit is designed for a supply voltage range between 1.6V and 2V, using submicron CMOS technologies. The new oscillator topology brings noticeable improvements from the stand point of the supply voltage influence, power consumption and total implementation area.
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.
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