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How do you know if a laptop motherboard capacitor is bad? 

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A filter comprised of a ferrite bead and shunt capacitor is demonstrated to improve the ESD robustness of a laptop system from 2 KV to 12 KV.
The reliability and lifetime of the inverter can be significantly improved if a non-electrolytic type capacitor is used.
An improved architecture of ferroelectric capacitor based flip-flop is proposed in which a compare-and-write block is used to decide if the state of ferroelectric capacitor should be changed.
The findings highlight that individual awareness on laptop disposal practice and laptop usage are positively influencing on the conviction of laptop disposal practices.
Further, a strong correlation is demonstrated between capacitor measurement results and noncontact oxide stress-induced-leakage-current, measurements that do not require capacitor fabrication.
The results obtained from ten different laptop computers show the extremely high emission at some positions, which are dependent on the power dissipation or bad ergonomics.
Our findings do not favor one particular laptop design because only small differences in physical exposure were found.
In addition, the usual two‐capacitor matching network, which provides a perfect match only if both capacitors are variable, is shown to yield an acceptably small mismatch over a wide range of frequencies even if one capacitor is fixed.
Results of the comparison of a standard capacitor with other gas capacitors are presented, and it is concluded that a compressed-gas capacitor can be transported successfully if some precautions are taken.