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Simulating bias T with Spectre (Read 2696 times)

ahmed New Member Offline Posts: 1	Simulating bias T with Spectre Aug 11^th, 2004, 6:41am I am trying to simulate a 5 GHz circuit that includes a bias T (huge inductor and a huge capacitor, both connected at the same node). Spectre does not converge when the bias T is included in simulation. Any suggestions to help the simulation converge while the bias T is included? Thank you for the help.
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Alez Guest	Re: Simulating bias T with Spectre Reply #1 - Sep 6^th, 2004, 4:01am Hi, I'm not sure that you have already included the "series resistance" to the biasT's inductor or not, If not, you can find this value, such as from Picosecond Lab biasT and include it to be a series resistance of the inductor of the biasT, then try to simulate again. Good Luck, Alez
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gt8167c New Member Offline Posts: 2	Re: Simulating bias T with Spectre Reply #2 - Oct 24^th, 2004, 8:27pm I have designed a 2.4 GHz differential ring-oscillator VCO and I am trying to use a bias-T to get the signal off-chip for measurement. Can anybody point me to a good model of how to start simulating the bias-T? I would appreciate any help.
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