This circuit from a 90s Popular Electronics, decodes the old analog TV signal. It works with a pilot frequency of 15 734 kHz from the scanning system.
This source regulated with transistors appeared in an American publication from the 1980s. The...
This circuit has already been explored in other articles on this site. It shows how we can use two...
This transmitter operates in the 80-meter range, around 3.5 MHz, with an exact frequency value...