Can any1 give me a formula for sound energy to electrical energy

AI Thread Summary
The discussion focuses on converting sound energy into electrical energy using a ceramic transducer, specifically a piezoelectric transducer. Participants are seeking formulas that relate sound pressure levels (SPL) to electrical voltage measurements, including dBu and dBv. A recommendation is made to consult a specific reference that explains the relationship between measured voltage and sound pressure. Understanding these conversions is essential for effectively amplifying the voltage generated by the transducer in a circuit. The conversation emphasizes the need for clear formulas and mechanisms for this energy conversion process.
exilus29
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need ur help for this one hope sum1 replies
 
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what sound energy to what electrical energy? there must be a mechanism of conversion. Specify a bit more
 
from a transducer[ceramic transducer] then we will used a circuit to amplify the voltage that we could gather.i would like to know some formulas on how dBu,dBv and SPl co relates
 
I haven’t heard about this formula.
 
I was using the Smith chart to determine the input impedance of a transmission line that has a reflection from the load. One can do this if one knows the characteristic impedance Zo, the degree of mismatch of the load ZL and the length of the transmission line in wavelengths. However, my question is: Consider the input impedance of a wave which appears back at the source after reflection from the load and has traveled for some fraction of a wavelength. The impedance of this wave as it...

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