Abstract
This work designs balun filters with high frequency selectivity and low insertion loss. A symmetrical doubly loaded output structure was constructed to obtain balanced outputs and create a pair of transmission zeros. The stacked cross-coupled structure was further applied for obtaining compactness and creating two more pairs of transmission zeros. A compact fourth-order balun filter was fabricated. Measured results demonstrate an excellent phase difference of 180°± 3.2°, an amplitude imbalance of 0.8 dB, and a low insertion loss of 1.3 dB at 2.45 GHz. High-selectivity responses with three pairs of transmission zeros were observed.
| Original language | English |
|---|---|
| Title of host publication | European Microwave Week 2017 |
| Subtitle of host publication | "A Prime Year for a Prime Event", EuMW 2017 - Conference Proceedings; 47th European Microwave Conference, EuMC 2017 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 420-423 |
| Number of pages | 4 |
| ISBN (Electronic) | 9782874870477 |
| DOIs | |
| State | Published - 19 12 2017 |
| Event | 47th European Microwave Conference, EuMC 2017 - Nuremburg, Germany Duration: 10 10 2017 → 12 10 2017 |
Publication series
| Name | European Microwave Week 2017: "A Prime Year for a Prime Event", EuMW 2017 - Conference Proceedings; 47th European Microwave Conference, EuMC 2017 |
|---|---|
| Volume | 2017-January |
Conference
| Conference | 47th European Microwave Conference, EuMC 2017 |
|---|---|
| Country/Territory | Germany |
| City | Nuremburg |
| Period | 10/10/17 → 12/10/17 |
Bibliographical note
Publisher Copyright:© 2017 EuMA.
Keywords
- Balun filter
- cross-coupled
- filtering balun