This circuit was found in documentation from the 1980s. Transistors are general-purpose types like the BC548 for NPN and the BC558 for PNP.
This circuit was found in a 1964 Electronic Design. The circuit makes use of transistors of the...
Two complementary transistors in an oscillating configuration simulate an unijunction generating...
This circuit sends its signals to short wave receivers and even FM outside stations placed nearby. As...