# Electrically varactor‐tuned bandpass filter with constant bandwidth and self‐adaptive transmission zeros

> Research article (IET Microwaves Antennas & Propagation, 2017) · cited 18× · AI/ML

**Wikidata**: [openalex:W2621251501](https://www.wikidata.org/wiki/openalex:W2621251501)  
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