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

		Ref. [4]	Ref. [5]	Ref. [6]	This work
Power range for PCE>50 % (dB)		11	N/A	11.5*	20.1
Freq. range for PCE >50 % (GHz)		1～2.4	0.57～0.9	0.91～2.55	1.5～2.6
Peak eff.	Eff. (%)	71.5	76*	65	71.2
	Power (dBm)	8	16*	10	25
	Freq. (GHz)	2.0	0.7	1.8	2.4
Size [λg2]		0.22×0.14	0.15×0.22	0.14×0.21	0.34×0.17
Structure		Voltage doubler	Single diode	Voltage doubler	Voltage doubler

Graphically estimated.