The circuit shown is from the 1994 Linear Applications Handbook by National Semiconductor. Some of the components are not currently common and should be looked for equivalents.
This low frequency circuit was found in documentation from the 1980s. The values of R and C...
This circuit has a frequency range of 30 Hz to 100 kHz with an output signal of 1 Vrms. We found...
Found in Popular Electronics from the 90s, this circuit uses still common components. Its power is 20...