"Tatsuya Yamazaki,Ikuo Namura,Hiroshi Goto,Atsushi Tahara,Takashi Ito","A 11.7 GHz l/8 Divider using 43 GHz Si High Speed Bipolar Transistor with Photo-epitaxially Grown Ultra Thin Base","Tech. Digest of IEDM","Tech. Digest of IEDM",,,,"pp. 309-312",1990,