DEVICE FOR MEASURING ELECTRIC PARAMETERS Russian patent published in 1994 - IPC

FIELD: digital measurement technology. SUBSTANCE: device for measuring electric parameters has serially-connected object 1 to be tested, units 2 for matching levels of input measured parameters of the object being tested, analogue switching unit 3, filter 4, sample-and-hold element 5, analogue-to-digital converter 6 infomation input of which is connected to information output of sample-and-hold element 5, computer unit 7, address bus 8, control bus 21 and information buses of data output 19 and input 20 of the computer unit through which information outputs of analogue-digital converter 6 and computer 7, are interconnected pulse frequency shaper 9, period-to-code converter 10, sampling interval shaper 11, reference frequency generator 12, frequency divider 13 by two, two decoders 14, 15, two AND gates 16, 17, delay element 18. EFFECT: enhanced accuracy. 4 dwg