This circuit was obtained from Signetics documentation from the 80's. The components used are from that time. The circuit can serve as a basis for repair, maintenance or projects with modern components.
This simple circuit found in a 1968 EEE was intended for data transmission over the telephone...
This experimental telegraphic communication system can have wires connecting to the handset of...
This circuit, in addition to providing an output that corresponds to the absolute value of the...