This circuit of dozens of watts uses germanium transistors and the critical components are transformers. The circuit is from the 1960 Mullard transistor application manual.
This circuit is from a 1977 Radio Shack documentation. In it we have the activation of an LED for...
This circuit was suggested by National Semiconductor in one of its manuals. The LM108 integrated...
We found this circuit in a 1981 publication. Its purpose is to measure resistances of very low...