Performing an Operating Point Analysis

1. Double click on the DR. SPICE™ icon to begin.
2. Select ckt1.cir from the C:\drspice\examples directory, then check the Interactive button.
3. Click OK

Within the editor window you will see this circuit:

CKT1.CIR Netlist

4. Select OP from the Analyses Menu.

Analysis Menu

5. To view resulting branch currents and node voltages of the Operating Point Analysis select OP from the Simulation Menu.

Simulation Menu

The following dialog box will appear:

Resulting Branch Currents and Node Voltages

The preceding figure contains a scrolling list showing the resulting branch currents and node voltages of the operating point analysis. You can adjust the circuit and rerun the OP analysis until the bias conditions are satisfied.

6. Click Cancel.

NOTE: Additional results such as internal device parameters can be viewed by opening and browsing the output file named ckt1.out.

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