We found this circuit in the March 1995 issue of Electronics Now magazine. The circuit has a frequency range determined by C1 and R3. The signal generated is square.
It can be obtained from Mouser Electronics the new MAX14871 Maxim consisting of a full-wave...
This simple medium wave receiver with a transistor can employ any type of general-purpose...
This circuit generates sequence of pulses in order and times determined by the capacitors in pins...