This circuit was taken from the 1960's Mullard Transistor Manual. Information about the coils is given along with the diagram.
The shock is 2.5mH for frequencies between 3 and 30MHz. C is 1nF, R is 47k and the transistor can...
This pair amplifier complements BC548 and BC558 provides a power of a few hundred milliwatts of...
This circuit was found in Sgnetics documentation from the 80's. The circuit also has loudness...