The circuit shown is from the National Semiconductor Linear Applications Handbook of 1994. using ADC0808. The circuit can handle data from up to 4 transducers with an 8-bit output.
The integrated circuit used by SGS is not common today. The circuit is from the 1982 SGS linear...
This circuit from an old documentation includes the power supply for the 117 V power grid. It can be...
Connected to the output of an audio amplifier or radio this circuit indicates the level of the...