how to design a dll with programmable resolution?

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newbie_1

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thanks
the input range is about 100Mhz~800Mhz, and the phase resolution has to be programmed from 0~120, can you give me any suggestions or papers?

thanks a lot
 

Dear newbie_1 :

You can use series inverters to get phase step, than use multiplexer
to decide which output of inverter you want !!

mpig
 

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