Suggested by General Electric in a 1968 documentation this integrated amplifier uses a component of the era, the PA237. The circuit runs on 24 V and excites a 16-ohm speaker.
This circuit was found in a 1977 Signetics manual. The 556 consists of a 555 double and the...
This circuit has an interesting application. If a device with the selector switch in the 110 V...
The presented circuit measures currents and voltages with precision that depends on the tolerance of...