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when designing a swithching system,the bgr performance well when simulated separately.But,when it is simulated in whole system .the noise in the output terminal of bgr perfomance poor and seems seriously nosiy disturbance.
who can help tell me how to get out of this situation. 3xs very much!!
let me take part in the group!
i have a question too.
when I want to choose modle for matlab to simulate the system in beginning of the design.I found sveral model. which one should I pick up?
I normally use the TF in the errikson's book.
and another one: crossver freq shoud be set 1/5 of...
when the load is heavy,the pass element is in the linear region because the voltage of gate is very low
when the current get smaller ,the gate voltage will be higher and finally the pass element will get into saturation
the battery charger dont give a smooth dc output usually.U can check it.the battery charging have several stage:constant current ,constant voltagev..
in constant current period ,the current curve is smooth but voltage not...
I dont know if i make the point.