Mar 7, 2006 #1 N neoflash Advanced Member level 1 Joined Jul 2, 2005 Messages 492 Helped 10 Reputation 20 Reaction score 2 Trophy points 1,298 Activity points 4,759 I am working on a 5GHz 130nm VCO, however, low jitter requirement drive me mad. (<2ps rms). And I am limited to ring oscillators, any siggestion?
I am working on a 5GHz 130nm VCO, however, low jitter requirement drive me mad. (<2ps rms). And I am limited to ring oscillators, any siggestion?
Mar 7, 2006 #2 H haadi20 Full Member level 1 Joined Feb 22, 2005 Messages 99 Helped 15 Reputation 30 Reaction score 4 Trophy points 1,288 Activity points 2,172 Have a look at the following thesis: https://doc.utwente.nl/fid/2099 It includes a 10 GHz 0.18µm standard CMOS LC VCO with a jitter of 0.22 psec RMS (<2psec)...maybe you can use it as a guideline.. Regards
Have a look at the following thesis: https://doc.utwente.nl/fid/2099 It includes a 10 GHz 0.18µm standard CMOS LC VCO with a jitter of 0.22 psec RMS (<2psec)...maybe you can use it as a guideline.. Regards
Mar 8, 2006 #3 N neoflash Advanced Member level 1 Joined Jul 2, 2005 Messages 492 Helped 10 Reputation 20 Reaction score 2 Trophy points 1,298 Activity points 4,759 thanks for the input, but I am limited to ring oscillator.