Analog Integrated Circuit Design

2nd edition


Example 3.1

1. Schematic

2. HSPICE Netlist

* Example 3.1

 

* MOS model
.include p35_cmos_models_tt.inc

 

* main circuit
mn1 2 2 0 0 nmos     L=0.4u    W=10u
mn2 1 2 0 0 nmos     L=0.4u    W=10u

 

* current source
id 0 2 100u

 

* voltage source
v1 1 0 0.795

** v1 dc value adjusted to ensure Id is 0.1mA

 

* analysis
.op
.dc v1 0 1 10m

 

* options
.options post

.end

3. Simulation Result

 

rout [kΩ] gm1 [mA/V] ΔIout [µA] the minimum Vds [mV]
 43  0.99  2.5  280



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