Dear Memebers, I am looking for best design solution for charge amplifier for piezoielectic transducers. I would like to measure the the charge induced by a piezoielectic sensor when it is subjected to force. I would like to ask you what are the design considertations for a charge amplifier and which ICs are suitable for developing such an amplifier ? thank you for your suggetions.
The charge sensitive amplifiers employed for piezo electric sensors cover quite wide range e.g. in terms of transducer capacitance, required rise/reset time, noise/linearity dynamic range, etc.
Some example e.g. here http://physicsopenlab.org/2017/09/27/charge-sensitive-preamplifier/
Pramul Mp, what kind of piezoelectric do you think charge? Or what applications do you think to do? I mean frequency, power, distant measurement, cleaning, flaw detection.
dear Pramul Mp
We propose the amplifier of charge witch is implemented in our measurement system I think it can be helpful for you.
the link below can help you
https://www.mmf.de/instrumentation.htm
Most of the transducers are of piezo electric type that require signals to be matched with charge amplifier.
Piezo electric transducers offer low hysterisis when operated with current rather than other.
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