Fig. 16
![Fig. 16](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13638-021-02061-8/MediaObjects/13638_2021_2061_Fig16_HTML.png)
Measured PA power efficiency with two combined units. The drain efficiency of the PLM mode is obtained with duty cycle test, while the efficiency the Class-B PA and the Doherty PA is measured by controlling the input power
Measured PA power efficiency with two combined units. The drain efficiency of the PLM mode is obtained with duty cycle test, while the efficiency the Class-B PA and the Doherty PA is measured by controlling the input power