표 1. | Table 1. 이전 발표된 연구들과의 성능 비교 | Comparison with the previously reported works.

		Ref. [6]	Ref. [7]	Ref. [8]	This work
Eff. over operating band	Peak PCE >70 % [GHz]	2.0∼3.05	0.57∼0.9	2.3∼2.42*,**	2.0∼2.8
	Fractional BW [%]	41.5	44.9	5	32.7
Power range for PCE>50 % [dB]		11	N/A	11.5**	4.6∼22.8
Peak Eff.	Eff. [%]	75.8	75.5**	75	75.9
	Input power [dBm]	14	15**	6	19.7
	Freq. [GHz]	2.5	0.7	2.38	2.45
Size [mm²]		36×25	0.15×0.22 [λg2]	35×34	34.4×12.8 (0.28×0.11 [λg2])
Matching network structure		Multi-stage transmission-line	Coupled transmission-line	Coupled transmission-line	Transmission-line transformer

Frequency range for PCE > 50 % (GHz).
Graphically estimated.