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.
Used with telephones at the time, this circuit was found in Popular Electronics from the 90s. The...
Unlike the CIR4620 circuit, the circuit shown in the figure operates by capacitance. This means...
This 1 A circuit was found in a Philips documentation from 1966. The transistor is of the time,...