A Review of Implementing ADC in RFID Sensor

Table 1

    factor and conductive ink area for two sets of planar spiral coils.

Coil area (mm^2)	Approach 1		Approach 2
		Ink area (mm^2)		Ink area (mm^2)
144	28.98	57.56	28.98	57.56
225	21.60	76.76	30.40	100.71
324	16.85	95.96	30.46	130.15
441	13.67	115.16	29.69	168.92
576	11.44	134.36	29.24	167.75