Difference-Equation-Based Digital Frequency Synthesizer

Table 1

Comparisons between the proposed DFS and other related works.

Authors	Items
	Output resolution (bits)	SFDR (dBc)	PSNR (dB)	ROM (words)	Adders	Multipliers
Strollo et al. [18]	13	90.2	—	1344	8	0
Song and Kim [30]	16	100	—	270	6	6
Langlois and Al-Khalili [31]	14	96.2	—	1152	8	0
De Caro et al. [32]	12	80	—	0	2	2
De Caro and Strollo [33]	12	83.6	—	896	2	2
Yang et al. [34]	12	80	—	2176	6	0
Curticapean and Niittylahti [35]	14	85	—	832	2	2
Ko et al. (This work)	14	133	113	14	8	1
	16	187	128	16	8	1