This transistor tester with different gain ranges was found in documentation from the 1980s. The circuit can still be implemented with more modern components and used with general purpose transistors.
The circuit shown in the figure is similar to the previous one (CB16096E), except that two...
The range of this transceiver found in an old national publication is of the order of 1 km. The...
This circuit was obtained in an American publication from 1977. The circuit operates in the audio...