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Design of a 5 GHz VCO in CMOS - Integrated Systems Laboratory

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(W n , C v,max ) @P5K12'"§ .—}>*12'#£ %–3G`W_¦˜32>*12‰¨ NW;G –“M˜}qr£ .^G`_–@i}q„P§ .^G`_–¨@Si3F$$¨ N_G WParameter SensitivityC v,maxV ddL s0.90 I bias0.91R s0.22 α m<strong>in</strong>0C s0.01 f m<strong>in</strong>0R p0.01 f max0C p0.01 L n0.07R v0.68 L p0.08η 0 0Parameter SensitivityC v,maxV ddL s0.89 I bias0.92R s0.30 α m<strong>in</strong>0C s0.01 f m<strong>in</strong>0R p0.03 f max0C p0.01 L n0.07R v0.59 L p0.09η 1.00 1.19V CS,ov0V tank,m<strong>in</strong>0.97V CS,ov0.14V tank,m<strong>in</strong>0desired directionM<strong>in</strong>imum Tank AmplitudeMaximum Tank Amplitudedesired directionW nW nParameter SensitivityC v,maxVL s1.49 I bias0R s0 α m<strong>in</strong>0C s0.03 f m<strong>in</strong>0R p0 f max2.97C p0.05 L n0.32R v0 L p0.41η 1.00 0V CS,ov0ddV tank,m<strong>in</strong>0desired directionUpper Tun<strong>in</strong>g LimitParameter SensitivityC v,maxV CS,ovL s1.29 I bias0R s0 α m<strong>in</strong>0C s0.02 f m<strong>in</strong>2.57R p0 f max0C p0.03 L n0.19R v0 L p0.24η 0 V dd00 V tank,m<strong>in</strong>0Lower Tun<strong>in</strong>g Limitdesired directionW nW n8e–13Parameter SensitivityC v,maxV CS,ovL s0.90 I bias0.43R s0.22 α m<strong>in</strong>0.97C s0.01 f m<strong>in</strong>0R p0.01 f max0C p0.01 L n0.55R v0.67 L p0.09η 0 V dd00 V tank,m<strong>in</strong>0Cvmax [F]7.5e–137e–136.5e–136e–135.5e–135e–134.5e–134e–133.5e–133e–13desired directionStartup ConditionW n2.5e–132e–13 1e–06 3e–06 4e–06 5e–06 6e–06 7e–06 8e–06 9e–06 1e–05Wn [m]LegendM<strong>in</strong>imum Tank Amplitude Constra<strong>in</strong>tMaximum Tank Amplitude Constra<strong>in</strong>tUpper Tun<strong>in</strong>g Range LimitLower Tun<strong>in</strong>g Range LimitStartup Condition2–3G`W[8Dh?¨K&L'"!'#T?'E7Q3#7;&L'(&%>*¢) q¡ m’G ˜– 6Œ¨@S˜3459&¢ m’¤+f&¢ m’M^¨@ ’ŒW; 5-P£ NW^¦—3ˆ¤'#:m’ŒW¨@ ’ŒW; 5-T¤ NW; ¥ m’G6? +Jh3,%T¦ $; '#T" ¦ .^G — a8'#&¢ .^3G76W¨@S—3k"@+4P£9 3612'#£ m’m+4#$¨ .^ZX]£ %–3G “W@i/OR-' 5!5”¨ !M&LP‚K$;'"3P#MGj12 ¨&4R-'"!5V2&!¨3&!' '"T?'"E7©€^3G W^m!B&!53$¦$=G–?_

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