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Subject: Re: Piezoelectric crystals and analog meter

Date: 07/03/03 at 11:33 PM
Posted by: Russ Kincaid
E-mail: russ-nospam@engineer.com
Message Posted:

In Reply to: Re: Piezoelectric crystals and analog meter posted by grant on 07/03/03 at 8:28 PM:

The simplist solution is to amplify the signal with a CMOS opamp peak detector circuit and measure the DC peak voltage. National Semiconductor application note AN-4, figure 7 shows the schematic.
This is the URL: http://www.national.com/apnotes/TransistorArrays__v1.html

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