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A derivation for the image impedance of a microstrip line with one basic meander is presented. This shows a bandpass characteristic. A new simple technique is followed in designing a two-meander line on a G500 ferrite substrate. Scattering measurements (S-band) made on a model show excellent agreement with theory. Measured nonreciprocal differential phase shift is shown.
Microwave Theory and Techniques, IEEE Transactions on (Volume:21 , Issue: 7 )
Date of Publication: Jul 1973