Fully Integrated Differential Distributed VCO using Ansoft IC Solution

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• HFSS have been used to characterize all critical parts • HFSS Models have been loaded into Cadence Environment for a full component analysis • Nexxim have been used for both HB and Transient Analysis Simuation Setup © 2008 Ansoft, LLC All rights reserved. Ansoft, LLC Proprietary Analogies Proprietary & Confidential
HFSS Simulations •All critical Passives parts have been simulated with HFSS from DC up to 50GHz •Parametric analysis have been performed in order to optimize the VCO behaviour •Parametric Models have been used into Cadence IC Ansoft Corporation XY Plot 1 Collector_Line Y1 10.00 0.00 -10.00 -20.00 -30.00 -40.00 -50.00 -60.00 -70.00 -80.00 500 5.00 10 10.00 00 15 15.00 00 Freq [GHz] Curve Info dB(St(METT_1_T1,METT_1_T1)) Setup1 : Sweep1 $col_spacing='6um' dB(St(METT_1_T1,METT_1_T1)) Setup1 : Sweep1 $col $ _spacing='8um' p g dB(St(METT_1_T1,METT_1_T1)) Setup1 : Sweep1 $col_spacing='10um' dB(St(METT_1_T1,METT_1_T1)) Setup1 : Sweep1 $col_spacing='12um' dB(St(METT_1_T1,METT_1_T1)) Setup1 : Sweep1 $col_spacing='14um' dB(St(METT_1_T1,METT_1_T1)) Setup1 : Sweep1 $col_spacing='16um' dB(St(METT_1_T1,METT_1_T1)) Setup1 : Sweep1 $col_spacing='18um' dB(St(METT_1_T1,METT_1_T1)) Setup1 : Sweep1 $col_spacing='20um' dB(St(METT_1_T1,METT_2_T1)) Setup1 : Sweep1 $col_spacing='6um' dB(St(METT_1_T1,METT_2_T1)) Setup1 : Sweep1 © 2008 Ansoft, LLC All rights reserved. Ansoft, LLC Proprietary Analogies Proprietary & Confidential
Page 1 and 2: Fully Integrated Differential Distr
Page 3 and 4: Company Introduction - A New Semico
Page 5 and 6: Distributed Circuit Concept • Pro
Page 11 and 12: DDVCO Design Considerations - Circu
Page 13 and 14: Port Setup: •Ports name and posit
Page 15 and 16: DDVCO Design Considerations: HFSS e
Page 17: DDVCO Design Considerations: Nexxim
Page 21 and 22: DDVCO Measurements • Output power
Page 23 and 24: Measurements vs. Simulation (Consis
Page 25 and 26: References [1] HH. WWu and d AA. HH

Fully Integrated Differential Distributed VCO using Ansoft IC Solution

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