We found this circuit in a 1986 documentation. It uses only LEDs, batteries, resistors and the power supply which can consist of 4 batteries or a 9V battery. The basic circuit uses two-color LEDs.
This circuit is from a 1966 Motorola Field Effect Transistors Manual. The circuit makes use of...
An article in Radio Electronics magazine from November 1962 taught how to connect two common...
This circuit is from 1971 documentation. It generates a ramp given by the input signal. The FET...