An FPGA Chaos-Based PWM Technique Combined with Simple Passive Filter for Effective EMI Spectral Peak Reduction in DC-DC Converter

Table 1

Spectral peak magnitude for different methods.

Method	Multiplier	Instants
		13 ns	16.5 ns	20 ns	27.5 ns
Periodic without filter	7.3/3.2	2.7	1.82	0.69	−0.912
Chaotic without filter	5.3/3.1	0.85	0.25	−1.02	−2.04
Periodic with filter	5.8/3.1	1.31	1.12	−0.19	−1.87
Chaotic with filter	3.3/3.1	0.11	−0.21	−1.06	−1.59