This well-designed bistable circuit was found in a 1970s documentation. Transistors can be current types and germanium diodes. The voltage depends on the logic used and can be made with 5 V.
.
We found this circuit in a Philips documentation from 1969. It makes use of transistors of the...
Pressing and releasing S, the capacitor C1 charges and discharge slowly through the oscillator...
With this circuit found in an American documentation from 1969 it is possible to vary the...