EURASIP Journal on Embedded Systems

Table 3 Interpolating filter complexity and PWM frequency versus M.

From: Mixed-Signal Architectures for High-Efficiency and Low-Distortion Digital Audio Processing and Power Amplification

M	Mas type	Equiripple		Kaiser
		order		order		kHz
8	1	193	68.1	233	82.2	352.8
8	2	129	45.5	146	51.5
16	1	386	272.4	469	330.9	705.6
16	2	257	181.3	291	205.3
32	1	772	1089	938	1324	1411.2
32	2	515	726,8	581	819,9
64	1	1544	4358	1875	5292	2822.4
64	2	1029	2904	1161	3277
128	1	3087	17425	3749	21162	5644.8
128	2	2057	11611	2321	13102

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