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.
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The new book More Arduino Projects for Ham Radio by popular author and experimenter Glen Popiel, KW5GP, builds on the success of his Arduino for Ham Radio. The new volume includes 15 completely new practical and functional Arduino projects... Read more