This circuit was found in Maxim's documentation from the 90's. The configuration uses components from the time but can be adapted to use modern equivalents.
This high impedance input amplifier is suitable for the use with piezoelectric sources such as...
The circuit shown is based on National Semiconductor buffers and was found in the 1994 Linear...
This circuit was obtained in a1969 magazine. The magazine no longer exists, but the circuit can be...