A Dual-Band Dual-Output Filtering Power Amplifier Based on High-Selectivity Filtering Impedance Transformer

Table 3

Performance comparison of the dual-band dual-output PAs.

Ref.	(GHz)	FBWs (%)	Efficiency (%)	(dBm)	Technology	Filtering
[20]	3.4/5.5	4.4/4.5	40.4/39.9^a	36.7/37.1	Microstrip	No
[21]	3.5/5	5.7/4	55.8/53.8^b	40.2/40.7	Microstrip	No
[22]	2.535/2.63	3/3	52.4/57.2^a	38.43/37.6	Acoustic wave	Yes
This work	2.5/3.5	8/5.7	50.2/53.2^b	41/40.9	Microstrip	Yes

^aThe maximum power added efficiency. ^bThe maximum drain efficiency. : the maximum output power. Based on measured large-signal results. Without physical support.