Draw a log-log plot of the envelope of the common-mode

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Reference no: EM131184662

A switched-mode power supply has the following characteristics:

Switching frequency: 100 kHz

Maximum switching current: 4 A

Input voltage: 115 V ac (dc voltage on input ripple filter capacitor is 160 V)

Input ripple filter capacitor characteristics:

Capacitance: 470 μF, Voltage rating: 250 V,

ESL: 30 nH ESR: 0.1Ω

Switching transistor rise time: 75 ns

Primary (input) circuit parasitic capacitance to ground: 150 pF

Draw a log-log plot of the envelope of the common-mode conducted emission from 150 kHz to 30 MHz.

Reference no: EM131184662

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