A Simple Low-Cost Lock-In Amplifier for the Laboratory.

Sengupta, Sandip K.; Farnham, Jessica M.; Whitten, James E.

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ERIC Number: EJ749825

Record Type: Journal

Publication Date: 2005-Sep

Pages: 3

Abstractor: Author

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ISSN: ISSN-0021-9584

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A Simple Low-Cost Lock-In Amplifier for the Laboratory

Sengupta, Sandip K.; Farnham, Jessica M.; Whitten, James E.

Journal of Chemical Education, v82 n9 p1399-1401 Sep 2005

The creation of a simple, low-cost lock-in amplifier (LIA) suitable for use in the chemistry teaching laboratory is described. The use of integrated circuits and few components are necessary to adequately accomplish lock-in amplification limited the total cost of construction to under US$100.

Descriptors: Laboratories, Chemistry, Laboratory Equipment, Science Education, Science Equipment

Division of Chemical Education of the American Chemical Society. Subscription Department, P.O. Box 1267, Bellmawr, NJ 08099-1267. Tel: 800-691-9846; Tel: 856-931-5825; Fax: 856-931-4115; e-mail: jchemed@egpp.com; Web site: http://jchemed.chem.wisc.edu/

Publication Type: Journal Articles; Reports - Descriptive

Education Level: N/A

Audience: N/A

Language: English

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