Found in a 1968 Ferranti documentation, this circuit can be implemented with modern equivalent semiconductors. With the indicated components the load can be a lamp up to 1 A.
With this circuit, a well known configuration, small speakers and even low-impedance headphones...
In this circuit we show how it is possible to control a high power load (which depends on the...
We found this circuit in a publication from 1966. The components are from the period. Complete...