XL741

This page is the central documentation site for the "XL741" Discrete 741 Op-Amp kit from Evil Mad Scientist.

Main details about the XL741 kit

• Store page at Evil Mad Scientist -- COMING SOON.
• Announcement article for kit [1] -- COMING SOON.

Essential Documentation

• Data Sheet (2.5 MB PDF) -- COMING SOON.
• Kit Assembly Instructions (1.4 MB PDF) -- COMING SOON.

Additional Resources

• The Wikipedia article on Operational Amplifiers is a great introduction, and has a wealth of information about 741 type op-amps.
• The Wikipedia article on Op-Amp Applications has a number of excellent example circuits.
• Introduction to the 741 at Circuits Today.
• Download the datasheet for a modern uA741 IC (PDF) from Texas Instruments.
• White paper on Understanding Operational Amplifier Specifications (PDF) from Texas Instruments.

• Tube Time, Web site of Eric Schlaepfer, designer of the Three Fives circuit board

Places for questions, answers, and sharing experiences

• Support forum at Evil Mad Scientist Laboratories
• Evil Mad Science Auxiliary Flickr Group where you can share photos of your giant 741's in action!