„… . According to the output feedback, the frequency or width of the transistor driving-pulses is modulated to …” „… ], where the frequency of transistor driving-pulse is modulated by a chaotic signal. However, this …” „… pulses under chaotic frequency modulation have been analyzed, by which the effectiveness of chaotic …”

„… corresponding change of output pulse width, which accomplishes the chaotic duty modulation. 5.3.2 Design of …” „… four modes [30–32]: pulse width modulation with variable duty and fixed cycle (PWM), pulse position …” „… modulation with variable position of the pulse and fixed cycle (PPM), frequency modulation with variable duty …”

„… transistor driving-pulse while maintains the fixed switching frequency. Chaotic duty modulation is realized …” „… . Unlike the well-studied chaotic frequency modulation, the chaotic duty modulation is concerned in this …” „… switching frequency. Chaotic duty modulation is realized by appending an external chaotic signal to the …”

„… chaotic circuit and its frequency characteristic. Journal of EEE, 24:5–7, 2002. [47] Y. Song, Z. Li, J …” „… ., pages 1155–1160, 2012. [48] Motorola. Switch mode pulse width modulation control circuit. [49] A …” „… , 50(8):1125 – 1129, 2003. [17] H. Li, K. S. W. TANG, Z. Li, and W. A. Halang. A chaotic peak current-mode …”

„… . Lynn Kirlin. Random Pulse- Width Modulation Technique for Voltage-Controlled Power Inverters …” „… Switching Converters with Chaotic Carrier-Frequency Modulation. Industrial Electronics, IEEE Transactions on …” „… on the Enhanced Electromagnetic Compatibility of Switching Converter with Chaotic Frequency …”

„… – Electromagnetic Interference – Switching Mode Power Supply – Chaotic Frequency Pulse Width Modulation Integrated …” „… Mode Power Supply, Chaotic Frequency Pulse-Width Modulation Integrated Circuit VIII …” „… Frequency Modulation Suppressing Electromagnetic Interference in Switching-Mode Power Supplies by Chaotic …”

„… 5 Analogue Chaotic Frequency PWM IC Owing to the lack of the chaotic frequency PWM IC, it is …” „… , leading to the cost increase and inconvenience for production. Therefore, chaotic frequency PWM ICs will …” „… analogue chaotic frequency PWM IC will be designed to facilitate the application of chaotic modulation, so …”

„… changes; 2) randomized pulse width modulation (RPWM): ak changes; εk = 0; 3) randomized carrier frequency …” „… low frequency noise [42–45]. 1.4.3 Chaotic Carrier Frequency Modulation Chaotic system [46] is a …” „… , which exists under randomized modulation [42, 43]. Hence, chaotic carrier frequency modulation technique …”

„… 166 Chaotic Central-frequency Modulation Effective for EMI Suppression in Switching Converters …” „… pseudo-randomness. The frequency, corresponding to the largest peak on the power spectrum of a chaotic signal, is …” „… the output signals over the whole frequency band [1–3]. However, the chaotic signal is not the ideal …”

„… on smart grins. 224 Aperiodic Pulse Width Modulation in Power Converters for EMI Suppression Hong Li …” „… Electrical Engineering School Beijing Jiaotong University, China Abstract: Pulse width modulation (PWM …” „… over a wide frequency band, thus to suppress electromagnetic interference (EMI), high quality …”

„… suppressing disturbances. To this end, the feasibility of applying chaotic carrier frequency modulation for …” „… suppression of electromagnetical interferences as exemplified for power converters by aperiodic pulse width …” „… . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 VII Suppression of Disturbances Feasibility Study of Applying Chaotic Carrier Frequency Modulation …”

„… 104 Feasibility Study of Applying Chaotic Carrier Frequency Modulation in Switching-mode Power …” „… chaos, chaotic carrier frequency modulation (CCFM) technique is effective to reduce EMI by spreading the …” „… driver, which is controlled by UC3842, a typical pulse width modulation (PWM) IC, is chosen as one …”