An Autonomous Wireless Sensor Node Based on Hybrid RF Solar Energy Harvesting

Table 4

Power Consumption of the node’s digital modules.

Device	State	Current (μA)	Power (μW)
PIC	Sleep	0.04	0.072
	Message RX	230	423
	Processing	410	738
	Temp. measurement	800	1440
	False wakeup	230	423
FRAM	Sleep	0.03	0.054
	Idle	4.00	7.200
	Storage (read)	2130	3834
	Storage (write)	2315	4167
SPIRIT1	Sleep	0.02	0.036
	Ready state	430	774
	VCO calibration	6720	12334
	TX (−30 dBm)	9580	17558