Coupled Lines Equation

[dmowziz]

Please if someone can kindly explain/ "solve" how this equation is derived


It is from Microwave Engineering by David Pozar.
The book is freely available on the web

The first equation in 8.101
Zi = ....              Please how is it derived?

It is on page 430 in the book
Table 8.1 is on page 391


Thank you very much

[dmowziz]

It is just simple understanding and changing ABCD parameters to Z parameters

Tried to remove the topic but it is not working