Monday, October 18, 2010

Modeling LM741 Slew Rate in LTSpice

Modeling the slew rate of the LM741 can be accomplished using a simple voltage follower as shown above.

The slewing can be observed with a transient analysis.

Sunday, October 10, 2010

Installing Solver in Excel 2007

Solver is a very powerful add-in for solving linear programming problems. To install Solver, complete the following steps:

Step 1. Click the office button, and click the excel options button

Step 2: Click Add-Ins, and then click "GO" to manage add-ins

Step 3: Now, just click to add the Solver add-in and click OK

Step 4: After install you can start using the Solver! Solver is now located on the Data -> Analysis toolbar.

Wednesday, October 6, 2010

Modeling a basic inverting op amp in LTSpice

Here is a basic op amp schematic in LTSpice using the "universal op amp" component.