No, supply voltage varies a lot. So I need to fix frequency.Fixed the supply voltage?
This effect allows them to be used as vco.
I am using the inverter topology as below. Are these some ways to reduce the dependency?Probably, the key would be to make a stage with a delay that has only a small dependency on power supply voltage, and that would be highly dependent on the topology of the inverters in your oscillator.
I can't use quartz here so it would be difficult.If you were to change the inverter to latches clocked by a stable (example: quartz) clock source, taking the outputs fromNOT-Q there would be little dependency on the power supply voltage.
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