Power source output signal adjusting method, power input signal adjusting method, charger and terminal
A technology of power output and adjustment method, which is applied in the field of communication, can solve the problems that the ripple jitter cannot be effectively suppressed, and achieve the effect of suppressing the ripple jitter
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[0038] Usually, the method of suppressing ripple is to place a filter capacitor at the output end of the power conversion circuit, and place a decoupling capacitor at the input end; or use a magnetic bead that presents high impedance to a certain frequency signal to suppress ripple; or set a filter circuit at the output end, Or isolate the ground loop between the input and output of the filter circuit to avoid mixing the input noise ripple into the output. The suppression of ripple by magnetic beads can only work against the ripple of a certain frequency of the power supply. In fact, the ripple frequency range of the power supply has a large span, from tens of Hz to hundreds of MHz. With such a wide range of ripple frequencies, there is currently no suitable bead that can present a high impedance state in such a wide range. Therefore, the magnetic beads cannot completely suppress the ripple, and can only suppress the ripple at a certain frequency at the power input end of some...
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