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frequency generator and phase detector

Discussion in 'General Electronics Discussion' started by saurabh17g, Mar 29, 2010.

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  1. saurabh17g

    saurabh17g

    72
    0
    Mar 8, 2010
    I want to build a circuit which generates a frequency from 1Hz to 20 MHz.
    After generating the frequency, i m passing it thru a material and the material changes the phase of the incomming wave. I want to get the phase difference of the input wave and output wave (got from the material).
    Is there any ic which has frequency generator and phase detector?
     
  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,499
    2,839
    Jan 21, 2010
    That's an extremely wide range of frequencies.

    What sort of output do you require? Does it have to be a sine wave, or will a square wave be ok? What output voltage? What output impedance? What is this external substance and how will the signal be detected?
     
  3. saurabh17g

    saurabh17g

    72
    0
    Mar 8, 2010
    output:
    the reading of phase diff should be displayed.
    It has to be a sinewave.
    voltage (input) 5V normal.
    substance is a sensor.
    i m also thinking about how to detect the signal.
     
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