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.
The circuit shown in the figure is based on the ST Microelectronics TDEO0160 (www.st.com) and...
This circuit for communications receivers was found in the January 1974 issue of Radio Electronics...
Found in old English documentation this circuit evaluates the power of a transmitter. The circuit has...