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High-Speed InGaAs/InP Double Heterostructure Bipolar Transistor with High Breakdown Voltage
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Update time: 2009-09-04
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  High-Speed InGaAs/InP Double Heterostructure Bipolar Transistor with High Breakdown Voltage 

  2008 Chinese Phys. Lett. 25 2683-2685 

  Authors:Jin Zhi, Su Yong-Bo, Cheng Wei, Liu Xin-Yu,Xu An-Huai and Qi Ming  

  Abstract. 

  We design and fabricate an InGaAs/InP double heterostructure bipolar transistor (DHBT). The spike of the conduction band 

  discontinuity between InGaAs base and InP collector is successfully eliminated by insertion of an InGaAs layer and two InGaAsP 

  layers. The current gain cutoff frequency and maximum oscillation frequency are as high as 155 and 144 GHz. The breakdown 

  voltage in common-emitter configuration is more than 7 V. The high cutoff frequency and high breakdown voltage make high-speed 

  and high-power circuits possible.

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