This powerful inverter provides a high-quality sine wave signal. I found it in a Radio Electronics issue from April 1991. The output power is 40W
This simple lie detector was found in Popular Electronics. Transistors are commonly used. The...
Found in the 2005 Linear Technology Application Manual, this circuit controls the torque of a...
This circuit was found in the Italian magazine Radio Elettronica from September 1977. It consists of a...