This circuit was found in a 1968 General Electric documentation. It has an input impedance of 2 M ohms and excites a load of 16 ohms. The integrated circuit of the time is the PA237.
The analog height sensor conversion circuit of the above circuit is given below. It is also in the...
The integrated audio amplifier used in this project is not very common today, but more modern...
We can use this amplifier with low impedance headphones with good performance. Possible...