We found this circuit in the June 1987 issue of Radio Electronics magazine. With it, it is possible to receive signals from the bands determined by the crystals in a common medium wave receiver.
This circuit was developed to find intermittent defects in an electrical control. In the event of a...
The circuit shown is from the 1994 Linear Applications Handbook from National Semiconductor. The...
Suggested by General Electric in 1965 documentation this circuit is intended for the 120 Vac...