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Subject: Piezoelectric crystals and analog meter

Date: 07/03/03 at 10:20 AM
Posted by: Grant
E-mail: AGTCabinetry@aol.com
Message Posted:

I want to set up a piezoelectric crystal and an analog meter to measure the voltage when the crystal has an excitation. I think the voltage out would be very low, possible one millivolt. I also assume that it would be AC voltage, since the crystal is oscillating @100Khz.

I'd only want to use just these two components and avoid using a preamp, battery, etc and just use the voltage generated by the crystal.

My question is where can I get an analog panel meter that would work for this application or how could I measure this without an external power source. If itís not possible, I'd also like to know this.

Thank you

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