# The Analog Dog

### Site Tools

cascode_input_resistance

# Differences

This shows you the differences between two versions of the page.

 cascode_input_resistance [2015/06/17 20:10]admin cascode_input_resistance [2015/06/17 20:10] (current)admin Both sides previous revision Previous revision 2015/06/17 20:10 admin 2015/06/17 20:10 admin 2015/06/17 20:09 admin created 2015/06/17 20:10 admin 2015/06/17 20:10 admin 2015/06/17 20:09 admin created Line 3: Line 3: Let's draw the small signal model. Let's draw the small signal model. - {{:​cascode_input_resistance_ss.png?​200|}} + {{:​cascode_input_resistance_ss.png?​600|}} Note that: $v_{gs2}$ and $v_{bs2}$ are grounded (both M1 and M2 bodies are grounded, but not shown in the schematic). Note that: $v_{gs2}$ and $v_{bs2}$ are grounded (both M1 and M2 bodies are grounded, but not shown in the schematic).