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90 degrees phase shift

Posted 2012年5月16日 GMT+8 08:21 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 2012年5月19日 GMT+8 02:36
Robert Koslover Certified Consultant
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Posted: 1 decade ago 2012年5月16日 GMT+8 11:18
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 2012年5月16日 GMT+8 15:12
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 2012年5月19日 GMT+8 02:36
Yes.
Yes.

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