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Design >> RF Design >> VCO
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Message started by sivacharan on Apr 6^th, 2007, 11:06pm

Title: VCO
Post by sivacharan on Apr 6^th, 2007, 11:06pm

In the delay cell shown. i would like to know the significance of the cross coupled transistors(Mx).
In ring oscillators we dont have to use -ve resistance. Then what is the purpose of this cross coupled pair?

Thanks.