Table 3.

Comparison with prior work.

	Proposed	[31]
Implementation technique	system on chip	PCB discretes
Measurement method	peak detection	phase detection
Process (μm)	0.18	N/A
Supply voltage (V)	1.8	+5, −5, and 3.3
Frequency (MHz)	0.1	4.2
Power (mW)	48	N/A
Year	2012	2008