The integrated circuit used in this circuit from a 1987 documentation is no longer common today. This circuit can generate a multitude of different sounds and this circuit is an example of application.
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...