This circuit is from an ancient American documentation. The integrated circuit is 741 and the power supply must be symmetrical. The passing band is centered at 1 kHz.
July 2017 - Texas Instruments' new bidirectional current controllers LM5170-Q1 for power...
This circuit provides voltages and a 1 kHz signal for measurement bridges. The circuit is from...
Suggested by National based on the LM6218, this circuit from the 90s has high speed...