Finding theoretical impedance of acoustic transducer

[nauman]

Hi all

If we have an acoustic transducer and values of its two parameters are known, i.e conductance and capacitance, is it possible to calculate impedance using these two parameters?

Thanks

 

[Baluncore]

Yes.
Are those parameters in series or in parallel ?
What is the transducer equivalent network ?

 

[DaveE]

Hi all

If we have an acoustic transducer and values of its two parameters are known, i.e conductance and capacitance, is it possible to calculate impedance using these two parameters?

Thanks

It's hard to say without knowing more about your transducer. Of course we can calculate the impedance from your two parameters (after you answer @Baluncore's question), but is that the actual impedance of the transducer? I suspect that inductance matters too, it usually does. Over what frequency range? Often, if you are working away from resonance, you can ignore some parameters. The people that gave you that data may have made some assumptions about what is important. They may also have designed it to be used at resonance, in which case the resonant frequency and the capacitance will determine the dominant inductance.

So, basically, we need to know more to answer your real question.

 

[alan123hk]

Electromechanical acoustic circuit analysis is a useful and popular method in engineering.
https://people.ee.ethz.ch/~isistaff/courses/ak2/elektro-mechanische-akustische-analogien-english.pdf