A Compact Dual-Mode Bandpass Filter with High Out-of-Band Suppression Using a Stub-Loaded Resonator Based on the GaAs IPD Process
Abstract
:1. Introduction
2. Filter Design and Theoretical Analysis
3. Results and Discussion
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
Abbreviation
BPF | Bandpass filter |
EM | Electromagnetic |
FOLR | Folded open-loop resonator |
FBW | Fractional bandwidth |
IPD | Integration passivation device |
LTCC | Low-temperature co-fired ceramic |
PCBs | Printed circuit boards |
PECVD | Plasma-enhanced chemical vapor deposition |
RF | Radio-frequency |
SEM | Scanning electron microscopy |
SLRs | Stub-loaded resonators |
TZs | Transmission zeros |
VNA | Vector network analyzer |
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Reference | Substrate & Process | Center Frequency | Insertion Loss | Return Loss | εr | Size (mm2) |
---|---|---|---|---|---|---|
[20] | Silicon, IPD | 2.45 | 3.0 | 14 | 11.68 | 2.8 × 1.6 |
[21] | Glass, IPD | 2.2 | 2.2 | 18 | 4.6 | 1.7 × 0.8 |
[22] | Glass, IPD | 4.2 | 3.2 | 14.4 | 5.2 | 1.5 × 1.3 |
[23] | Silicon, MEMS | 5.5 | 3.26 | 17.8 | 11.68 | 1.3 × 0.75 |
This Work | GaAs, IPD | 7.45 | 1.21 | 23.5 | 12.85 | 3.3 × 2.0 |
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Zhang, W.; Yao, Z.; Zhang, J.; Kim, E.S.; Kim, N.Y. A Compact Dual-Mode Bandpass Filter with High Out-of-Band Suppression Using a Stub-Loaded Resonator Based on the GaAs IPD Process. Electronics 2020, 9, 712. https://doi.org/10.3390/electronics9050712
Zhang W, Yao Z, Zhang J, Kim ES, Kim NY. A Compact Dual-Mode Bandpass Filter with High Out-of-Band Suppression Using a Stub-Loaded Resonator Based on the GaAs IPD Process. Electronics. 2020; 9(5):712. https://doi.org/10.3390/electronics9050712
Chicago/Turabian StyleZhang, Wei, Zhao Yao, Jie Zhang, Eun Seong Kim, and Nam Young Kim. 2020. "A Compact Dual-Mode Bandpass Filter with High Out-of-Band Suppression Using a Stub-Loaded Resonator Based on the GaAs IPD Process" Electronics 9, no. 5: 712. https://doi.org/10.3390/electronics9050712
APA StyleZhang, W., Yao, Z., Zhang, J., Kim, E. S., & Kim, N. Y. (2020). A Compact Dual-Mode Bandpass Filter with High Out-of-Band Suppression Using a Stub-Loaded Resonator Based on the GaAs IPD Process. Electronics, 9(5), 712. https://doi.org/10.3390/electronics9050712