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    What is the principle of digital LCR meter functioning?

    What is principle of working of digital LCR meter? I did not get its block diagram on net. I am using Autocompute LCR meter by Aplab.

    •   Alt30th April 2010, 11:23

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    Re: digital LCR meter

    Quote Originally Posted by supi
    What is principle of working of digital LCR meter? I did not get its block diagram on net. I am using Autocompute LCR meter by Aplab.
    Are you trying to say you didnt get Block diagrams and schematics of the Aplab LCR meter? If yes, how can you expect a public company to expose its bussiness secrets?



    •   Alt30th April 2010, 12:17

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    Re: digital LCR meter

    hello supi ,
    i am not aware of the internals of the autocomput lcr meter.but i can give you the basic method ,which was seen from a very old digital lcr meter. a sinewave of known voltage and frequency is generated.(digtally).passed through the 'component under test'. current and its phase shift is measured in 'cut'.
    computation of reqd parameters(L /C, R ) and other values is done . (usually in a microprocessor or microcontroller). and displayed.
    srizbf


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