This circuit with transistors of the time was found in the November 1972 Radio Electronics magazine. The circuit also generates a sawtooth signal for use on an oscilloscope.
We found this circuit in a Radio Electronics issue from July 1969. The lamp remains on until C1...
In the figure we have a circuit used in stair generators with the purpose of providing constant...
In the figure we have an interesting possibility that consists of the activation of a heating...