Microwave Corona Breakdown Suppression of Microstrip Coupled-Line Filter Using Lacquer Coating
Abstract
:1. Introduction
2. Methods
2.1. Principle of the Proposed Corona Suppression Method
2.2. Description of the Devices Under Test (DUT)
2.3. Measurement System of Microwave Corona Breakdown
3. Results and Discussions
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Coating thickness (μm) | 0 | 25 | 35 | 45 |
Corona threshold (W) | 15.8 | 18.9 | 24 | 74.9 |
Group # | Narrowest Gap (mm) | Coating | Pressure Range (Pa) |
---|---|---|---|
1 | 0.2 | no | 100~4500 |
2 | 0.3 | no | |
3 | 0.2 | yes | |
4 | 0.3 | yes |
Group # | a1 | a2 | b1 | b2 |
---|---|---|---|---|
1 | 23.0421 | −0.0074 | 8.5909 | 0.0002 |
2 | 142.252 | −0.0085 | 20.8847 | 0.0002 |
Filter Type | Q-Factor Variation | Insertion Loss Variation (dB) | Threshold Improvement (dB) | |
---|---|---|---|---|
Ref. [16] | Coupled-line filter | −3.5% | +0.1 | 3.1 |
This work | Coupled-line filter | +3% | −0.5 | 5.3 |
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Ye, M.; Hu, S.; Wang, R.; Zhang, Y.; He, Y. Microwave Corona Breakdown Suppression of Microstrip Coupled-Line Filter Using Lacquer Coating. Electronics 2024, 13, 2910. https://doi.org/10.3390/electronics13152910
Ye M, Hu S, Wang R, Zhang Y, He Y. Microwave Corona Breakdown Suppression of Microstrip Coupled-Line Filter Using Lacquer Coating. Electronics. 2024; 13(15):2910. https://doi.org/10.3390/electronics13152910
Chicago/Turabian StyleYe, Ming, Shaoguang Hu, Rui Wang, Yong Zhang, and Yongning He. 2024. "Microwave Corona Breakdown Suppression of Microstrip Coupled-Line Filter Using Lacquer Coating" Electronics 13, no. 15: 2910. https://doi.org/10.3390/electronics13152910