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Characteristics of microfabricated rectangular coax in the Ka band

✍ Scribed by E. R. Brown; A. L. Cohen; C. A. Bang; M. S. Lockard; B. W. Byrne; N. M. Vandelli; D. S. McPherson; G. Zhang

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
225 KB
Volume
40
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

Miniature rectangular coaxial transmission line (with a 300 × 300 μm outer conductor) is simulated, fabricated, and tested up to the Ka band. It is made by the electrochemical fabrication (EFAB™) of nickel such that the center conductor is supported primarily by ≈λ/4 stubs that also establish a resonant passband. The minimum insertion loss of a 1.67‐cm‐long test structure is found to be 1.74 dB at the passband center of 29 GHz. This is within 0.57 dB of the lowest insertion loss predicted by full‐wave numerical simulations, indicative of the high precision and smooth surface morphology of the EFAB process. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 40: 365–368, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.11383

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