How can I lock a ring oscillator?

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Raviraj Vader

If the ring-oscillator is a chain of inverters then it will oscillate at the maximum frequency possible limited by the Ft of the devices, but if you add delay elements (in the form of RC delays) in the intermediate stages you can get a required frequency.

What kind of Lock are you looking for?

Shaofeng Zhu

the ring-oscillator is a chain of inverters. what can i do to lock it?