Resonant frequecncy

Discussion in 'General Electronics Chat' started by jaleela, May 1, 2013.

  1. jaleela

    Thread Starter New Member

    Apr 15, 2013
    17
    0
    Hello guys, so i have this transducer sensor which states that the
    resonant frequency is 1·8kHz ±0·5kHz
    Impedance at resonance 800
    Capacitance 25nF ±30%

    Okay so my question is how can i determine the minimum frequency it can receive any help on how i can do that?? Thanks.
     
  2. Brownout

    Well-Known Member

    Jan 10, 2012
    2,375
    998
    You can test it with a sweep frequency. The minumum will be deterimened by the system quality factor (Q) system noise and the tolerance for errors.
     
  3. jaleela

    Thread Starter New Member

    Apr 15, 2013
    17
    0
    okay thank but how do i do this?? is it using an oscilloscope??
     
  4. freedomlover

    New Member

    Jul 15, 2012
    6
    0
    Sweep frequency using signal generator, and measure the output of the sensor using oscilloscope to check the attenuation. And this is the way I would do it.
     
  5. jaleela

    Thread Starter New Member

    Apr 15, 2013
    17
    0
    Okay thank you so much.
     
  6. Brownout

    Well-Known Member

    Jan 10, 2012
    2,375
    998
    You really should be able to find the information in the product datasheet.
     
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