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The temperature of electrolytic capacitor in light-emitting diode (LED) drivers continuously increases under operation conditions, thus the capacitors degrade faster than that with constant temperature assumption. In this paper, a physics-of-failure (PoF)-based reliability prediction methodology is developed for LED drivers to consider the temperature change of electrolytic capacitor. SPICE simulation,...
Considering the effect of the surface resistance of void in the actual discharge process, on the basis of the Partial discharge (PD) model based on the theory of plasma, the physical model of PD in voids was modified in this paper. The influence of the change to surface resistance in the void discharge process has been considered in this model. Based on this model, the simulations of PD were investigated...
We present a 3-D electromagnetic modeling method for planar Schottky diode based on a field-circuit integrated way. A 3-D EM model of the linear part of a commercial Schottky diode, which is MA46H146 fabricated by MACOM in this paper, is established in HFSS. The linear part of the diode is co-simulated with the non-linear part in ADS. The simulated S parameters agree well with the measured results...
In this paper, a high performance sub-harmonic mixer for W-band application using a low cost approach is developed. By flip-chip bonding a high performance schottky diode onto a separately fabricated passive circuit having a quartz substrate, a quasi-monolithic millimeter-wave integrated circuit (Q-MMIC) mixer is achieved. Compare to MMIC, the discrete device and passive circuitry of the Q-MMIC are...
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