This circuit, suggested by an old American publication, allows you to use the AM radio antenna of a car to monitor signals from transmitters. The circuit has sensitivity that depends on the instrument used. The diode is of Germanium of general use.
This circuit, suggested by an old American publication, allows you to use the AM radio antenna of a car to monitor signals from transmitters. The circuit has sensitivity that depends on the instrument used. The diode is of Germanium of general use.
