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.
This circuit is from an Electronics Now from the 90s. It applies to almost any operational...
The basis of this circuit is the HA2400 released at the time. The circuit is from a Radio...
This capacitor leak detector was found at Popular Electronics in June 1991. The magazine no longer...