Operating at just 1.35 V this circuit was found in a 1969 Electronic Design. The circuit makes use of transistors of the time but can be implemented with current equivalents.
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...