Accession Number : AD0701699

Title :   A PRECISION AUDIO-FREQUENCY VOLTAGE REGULATOR,

Corporate Author : KENTUCKY UNIV LEXINGTON DEPT OF CHEMISTRY

Personal Author(s) : Britz,Dieter ; Jackson,J. S. ; Bauer,H. H.

Report Date : DEC 1969

Pagination or Media Count : 12

Abstract : A source of precisely known alternating voltages is described. The output remains constant to within 0.1% for variation of plus or minus 40% in the input voltage (frequencies between 30 Hz and 4 kHz). The principle of operation is based on negative feedback, using a light-emitting diode and photosensitive resistor to control the gain. The instrument will serve to increase the accuracy of studies of the behavior of electrochemical cells under applied alternating voltages. (Author)

Descriptors :   (*VOLTAGE REGULATORS, ALTERNATING CURRENT), AUDIO FREQUENCY, SEMICONDUCTOR DIODES, RESISTORS, PHOTOSENSITIVITY, FEEDBACK, ACCURACY

Subject Categories : Electrooptical and Optoelectronic Devices

Distribution Statement : APPROVED FOR PUBLIC RELEASE