This circuit converts signals from the 350 kHz to 500 kHz longwave (VLF) band to the 4.35 to 4.6 MHz band. The circuit is from the 1992 edition of the Electronics Experimenter Handbook.

This circuit converts signals from the 350 kHz to 500 kHz longwave (VLF) band to the 4.35 to 4.6 MHz band. The circuit is from the 1992 edition of the Electronics Experimenter Handbook.
