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In this paper, the equivalent circuit model of UTC-HPT is established to simplify the microwave optical amplifier and mixer design. Based on the equivalent circuit model of HBTs, the photo-generated current in UTC-HPT is introduced reasonably as part of base current. The influence of photogenerated carriers on several equivalent circuit components such as trans-conductance, barrier capacitor, diffusion capacitor and junction resistor are considered carefully in the model. Finally, the collector output current is checked to verify the model validity and the photo-current gain and the photo-characteristic frequency are analyzed with the established model. © 2017 IEEE.
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Year： 2017
Page： 28-31
Language： English
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WoS CC Cited Count： 0
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ESI Highly Cited Papers on the List： 0 Unfold All
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30 Days PV： 1
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