# Ultra-Low-Loss Millimeter-Wave LTCC Bandpass Filters Based on Flexible Design of Lumped and Distributed Circuits

> Research article (IEEE Transactions on Circuits & Systems II Express Briefs, 2020) · cited 52× · AI/ML

**Wikidata**: [openalex:W3094028086](https://www.wikidata.org/wiki/openalex:W3094028086)  
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