A 0.8–8 GHz Multi-Section Coupled Line Balun
Abstract
:1. Introduction
2. Coupled Line Balun Theory
3. Design Explanation
Section 1 | Section 2 | Section 3 | Section 4 | OC | |
---|---|---|---|---|---|
Zoe (Ω) | 142.43 | 151.59 | 171.91 | 151.59 | 166.25 |
Zoo (Ω) | 62.43 | 84.89 | 115.11 | 84.89 | 40.45 |
Metal width (mm) | 0.6 | 0.4 | 0.2 | 0.4 | 0.5 |
Trace spacing (mm) | 0.4 | 0.8 | 1.2 | 0.8 | 0.05 |
4. Results and Discussion
Reference | Absolute Bandwidth (GHz) | Vias | Complexity | Area (in terms of λ2) |
---|---|---|---|---|
[2] | 1–7.5 | Yes | Many vias make design complex | 0.61 × 1.17 |
[3] | 0.5–3.5 | No | Modified ground plane | 0.44 × 1.02 |
[4] | 0.8–3.2 | No | Intercrossing after each stage | 0.44 × 1.17 |
[5] | 1–2.25 | No | Fractal geometry | 0.42 × 0.44 |
[6] | 1.7–3.3 | Yes | Less complex | 0.58 × 1.02 |
[7] | 6.11–13.83 | Yes | Multi-layered | 0.48 × 0.76 |
[8] | 0.72–2.05 | Yes | Less complex | 0.90 × 1.04 |
This work | 0.8–8 | No | Less complex | 0.36 × 1.00 |
5. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Itapu, S.; Almalkawi, M.; Devabhaktuni, V. A 0.8–8 GHz Multi-Section Coupled Line Balun. Electronics 2015, 4, 274-282. https://doi.org/10.3390/electronics4020274
Itapu S, Almalkawi M, Devabhaktuni V. A 0.8–8 GHz Multi-Section Coupled Line Balun. Electronics. 2015; 4(2):274-282. https://doi.org/10.3390/electronics4020274
Chicago/Turabian StyleItapu, Srikanth, Mohammad Almalkawi, and Vijay Devabhaktuni. 2015. "A 0.8–8 GHz Multi-Section Coupled Line Balun" Electronics 4, no. 2: 274-282. https://doi.org/10.3390/electronics4020274