This game was found in an old Popular Electronics. The unijunction transistor can be 2N2646. The supply can be done with voltages from 6 to 12 V.
This circuit was found in the February 1980 issue of Radio Electronics magazine. The digital...
We found this circuit in a Motorola manual. The circuit has the capacitor charging at 15 to 30 V,...
This circuit has a high input impedance and low output impedance, serving as an adapter for...