A technique for simultaneously improving the product of cutoff frequency–breakdown voltage and thermal stability of SOI SiGe HBT
Fu Qiang1, 2, †, , Zhang Wan-Rong1, Jin Dong-Yue1, Zhao Yan-Xiao1, Wang Xiao1
       

Comparisons among the plots of collector current versus VBE for traditional SOI SiGe HBT with different TBOX values.