Generating delayed clock (frequency dependent)

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mordak

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Generating delayed clock (frequnecy dependent)

Hi,

I was trying to make a delay version of a clock signal which is, say 1/5th of the period delayed compared to the original signal. If I generate this delayed clock with chain of inverter gates, that would work. However, if I change the the input frequency, that delay would stay constant regardless of the input frequency. I wonder how I can make a delayed clock that changes with the input frequency.

Thanks
 

Re: Generating delayed clock (frequnecy dependent)

Synchronized N=5 ring oscillator as part of a PLL, pick
the tap you like?
 

Re: Generating delayed clock (frequnecy dependent)

crutschow said:
What is the frequency range of the clock?
Click to expand...
It's varying from 15 MHz to 150 MHz, with 10 steps.

dick_freebird said:
Synchronized N=5 ring oscillator as part of a PLL, pick
the tap you like?
Click to expand...
It's just a small digital part of a big mixed-mode circuit, which I prefer to avoid using any complex circuit. So I hope there would be a way to do it without using a PLL.
 

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