# High-efficiency class E/F&lt;sub&gt;3&lt;/sub&gt; power amplifiers with extended maximum operating frequency

> Research article (IEICE Electronics Express, 2018) · cited 16× · AI/ML

**Wikidata**: [openalex:W2808469230](https://www.wikidata.org/wiki/openalex:W2808469230)  
**Source**: https://4ort.xyz/entity/high-efficiency-class-e-f-lt-sub-gt-3-lt-sub-gt-power-amplifiers-with-extended-maximum-operating-frequency
