Development of a 100 mW-Class 94 GHz High-Efficiency Single-Series Rectifier Feed by Finline for Micro-UAV Application

Table 4

Comparison with earlier works examining 94 GHz rectifiers.

	[13]	[18]	[17]	[14]	This work
Rectification method	CMOS Schottky diode	Mott diode (IPM RAS)	GaAs Schottky diode (VDI)	Diode-connected transistor	GaAs Schottky diode (MACOM)
Technology	130 nm CMOS	0.254 mm PTFE	0.254 mm alumina	65 nm CMOS	0.127 mm PTFE
Transmission line	FGCPW	MSL	CPW	Slotline	MSL
Power supply to a rectifier	Dual-band LTSA	Four-element MSA	Bow-tie slot	Half-wave horizontal dipole	Finline
Input RF power	2.27 mW	73 mW	3.16 mW	2.82 mW	128 mW
DC output power	0.84 mW	15 mW	1.02 mW	0.28 mW	41.7 mW
Rectifying efficiency ()	37%	20.5	32.3%	10%	32.5%