This circuit was found in a Hands On Electronics from the 90s. The circuit does not need a symmetrical power source. The signals with which it operates are alternating.
The circuit presented is a simple MW tuner that can be plugged into the input of any audio...
This circuit was obtained from an ancient American documentation. The coil consists of 80 to 100...
This circuit was found in a 1980s documentation, using a comparator from the time. The...