This circuit is from Mullard documentation from 1969. Transistors support current equivalents. Output transistors must be mounted on heat sinks.
This circuit was found in documentation from the 1980s. The transistor depends on the desired...
This circuit was found in the magazine Sperimentare 4 of 1977 and can be easily assembled using TIC...
This simple circuit was found in Popular Electronics from the 1980s. The circuit uses an LED as an...