This circuit maintains on a flashing LED at a frequency determined by the capacitor. The unijunction transistor can be 2N2646.
This circuit can generate signals in the range of 50 kHz to 500 kHz using appropriate crystal. The...
This circuit was obtained in a 1977 technical documentation. The PUT admits equivalent and the...
This circuit allows regulating voltages from 0 V under currents up to 1.5 A. With the LM350,...