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Characteristics of microstrip transmission line on grooved dielectric substrate

✍ Scribed by N. Gupta; R. Chaitanya Babu; L. Shafai

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
120 KB
Volume
17
Category
Article
ISSN
0895-2477

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✦ Synopsis

This letter proposed a new type of microstrip transmission (

) line called the ''groo¨ed microstrip line GML '' for low conductor and dielectric losses. The proposed structure is realized by using a dielectric substrate containing ¨ertical groo¨es. The corrugation in the dielectric substrate helps in reducing the concentration of the current on the strip, which in turn reduces the conductor losses in the transmission medium. In addition, partial remo¨al of the material from the dielectric substrate ( ) reduces the dielectric loss as well. The method of lines MOL is used to calculate the effecti¨e dielectric constant and the associated conductor and dielectric losses. Finally, a comparison of the computed results of the groo¨ed microstrip line is made with those of a con¨entional microstrip line.

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