A broadband CPW-to-microstrip modes coupling technique
(2002) International Journal of Infrared and Millimeter Waves — Vol. 23, n° 9, p. 1357-1369 (2002)
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- Abstract
- A broadband vertical transition from coplanar waveguide (CPW)-to-microstrip modes is presented. The transition has a double resonance and can be tuned for very wide-band operation. The CPW-to-microstrip modes coupling technique is useful for the vertical integration of multi-layer millimeter-wave circuits, packaging and antenna feeding networks. A vertical transition has been fabricated on 100 mum silicon substrate for operation at W-band frequencies and shows less than 0.3 dB of insertion loss and better than 12 dB of return loss from 75 to 110 GHz. A 94 GHz CPW-fed microstrip antenna showing a 10-dB bandwidth of about 30 % has been built using the same transition technique.
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Citations
Ellis, T. J., & Raskin, J.-P. (2002). A broadband CPW-to-microstrip modes coupling technique. International Journal of Infrared and Millimeter Waves, 23(9), 1357-1369. https://doi.org/10.1023/A:1020201709868 (Original work published 2002)