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90 degrees phase shift

Posted 15 mai 2012, 20:21 UTC−4 RF & Microwave Engineering 3 Replies

RAJASEKHAR ATLA
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There are two inputs and two outputs to microring resonator, in that two inputs, one input i will give directly and i want ton give another input with 90 degrees phase shift ,how can i give
3 Replies Last Post 18 mai 2012, 14:36 UTC−4
Robert Koslover Certified Consultant
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Posted: 1 decade ago 15 mai 2012, 23:18 UTC−4
I presume you are using "port" boundary conditions, with driving terms, in frequency domain. If so, just drive one of the ports by "1" and the other by "i" and they will be 90 degrees apart (since "i" is 90 degrees past "1").
I presume you are using "port" boundary conditions, with driving terms, in frequency domain. If so, just drive one of the ports by "1" and the other by "i" and they will be 90 degrees apart (since "i" is 90 degrees past "1").
Edgar Kaiser
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Posted: 1 decade ago 16 mai 2012, 03:12 UTC−4
Is it really possible to drive two ports simultaneously?
Is it really possible to drive two ports simultaneously?
Robert Koslover Certified Consultant
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Posted: 1 decade ago 18 mai 2012, 14:36 UTC−4
Yes.
Yes.

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