I was trying to simulate the pll resonant DC -DC converter of lecture 5, to see if I got a square wave shape i_R(t). I noticed that i_R(t) appeared square wave like only before the steady state was reached, after which it appeared like DC. Moreover, when i_R(t) did look like a square wave, its amplitude kept slowly changing over several cycles.
I used a square wave signal gen +/5V, 100kHz
Lr = 1.591uH, Cr = 1.591uF
Lf = 20mH, Cf = 1500uF
Any comments would be appreciated.
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