Hi all,

The linked is from the book, "Analog design essentials". My question is about the slide number 0251 in page 51.

http://extras.springer.com/2006/978-0-387-25746-4/Chapter_02.pdf

Could anybody know how to get the RLc=gm*rDS*RB?


Thanks~~

 

I almost figured out. If anybody is interested, please let me know.