This small audio amplifier circuit in complementary symmetry was found in the 1974 Mullard Databook. The output pair can also be the BD135 and 136.
This electronic game was found in a 1996 documentation, but it can be easily assembled today, both...
The components used in this project from a 1970s publication are no longer common. For the...
An interesting and useful configuration for the control of power loads is shown in the figure. In this...