Application Notes

1. Wheatstone Bridge. Use of a Lockin Amplifier to drive a Wheatstone bridge with an AC signal rather than DC.

2. ±10V Output from 410 or 420. Overdriving the 410 & 420 to give ±10V output.

Please contact us for information on any topics not covered.

External Links

1. Lockin Amplifier Theory of Operation. External site produced by M. Stachel of Faculty of Physics University of Konstanz Germany. Includes theory, diagrams and a Java virtual lockin amplifier.

2. Lockin Amplifiers as explained by Wikipedia.