This circuit, from the 1977 GE semiconductor manual, uses a unijunction transistor beyond the conventional (CUJT), which can generate signals up to 50 kHz. Note the different type of this component. The transistor is an uncommon component currently.
This circuit, from the 1977 GE semiconductor manual, uses a unijunction transistor beyond the conventional (CUJT), which can generate signals up to 50 kHz. Note the different type of this component. The transistor is an uncommon component currently.