![]() Compared to the above-mentioned protection components, the AlGaN/GaN varactor has been shown to have a good capacitance swing 7,8 and can be used for low-loss high-power RF switching. These waveforms combine to produce an instantaneous power profile that tends to heat the device and may induce thermal failure under certain conditions. 4–6 Each of these surge stresses subjects the device to different current and voltage wave profiles. To protect electronic devices against natural and man-made surge threats, which include lightning, electromagnetic pulses, and electrostatic discharges (ESDs), nonlinear protection components such as gas discharge arresters, metal oxide varistors, and transient voltage suppressor diodes are among the state-of-the-art countermeasures that have been developed. ![]()
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