A look at a simple superhet receiver designed for CW reception. Describes each stage and demonstrates the homebrew crystal filter in operation. A 7 MHz receiver is shown but additional information on how this may be adapted to provide 14 MHz coverage is given as well.
There are no ads, please add some
by LINDA POON “ Every day, 17-year-old Kaday goes to school by turning on the radio. She’s one of the million school-age children in Sierra Leone who’ve had no classroom to go to since July. That’s when the go... Read more