Optimization and Implementation of Scaling-Free CORDIC-Based Direct Digital Frequency Synthesizer for Body Care Area Network Systems

Table 3

Comparisons of the proposed DDFS with other related works.

DDFS	Kang and Swartzlander, 2006 [23]	Sharma et al., 2009 [26]	Jafari et al., 2005 [17]	Ashrafi and Adhami, 2007 [18]	Yi et al., 2006 [6]	De Caro et al., 2009 [27]	This work,; Juang et al.,; 2012
Process (𝜇m)	0.13	—	0.5	0.35	0.35	0.25	0.18
Core area (mm^2)	0.35	—	—	—	—	0.51	0.204
Maximum sampling rate (MHz)	1018	230	106	210	100	385	500
Power consumption (mW)	0.343	—	—	112	0.81	0.4	0.302
SFDR (dBc)	90	54	—	72.2	80	90	86.85
SNR (dB)	—	—	—	67	—	70	81.12
Output resolution (bit)	17	10	14	12	16	13	16
Tuning latency (clock)	—	—	33	—	—	—	11