Research Article
Influence of Dielectric Loss on RF Performance of Microstrip Multi-Resonant Circuits
Table 4
The key parameters of the above three kinds of substrates. The values of
are larger than the one order of magnitude from each other.
| Types | Parameter | (a) | (b) | (c) |
| Substrate | Materials | ARLON AD-450 | FR-4 | Denim fabric | Dielectric constant () | 4.50 | 5.20 | 2.16 | Loss tangent () | 0.002 | 0.015 | 0.114 | Thickness (mm) | 1.58 | 1.50 | 0.56 | Conductor | Materials | Copper | Copper | Copper | Thickness (mm) | 0.035 | 0.018 | 0.018 |
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