Re: Simple Morse Code Transmitter
That picture is an intersting application of the simplest broadcast transmitter called Galena. Requires few amount of electronic components. Repair that no intermediate frequency is used.
However this kind of transmitter takes a wide band of RF spectrum and may be considered just for emergency purposes. At normal operation you should work under hiperheterodine topology circuit.
If you intend operate this equipment need perform a survey at your country regulations regarding what are the free use radio frequency spectrum ranges.
Answering your question : The receiver you can build also simply like bellow :
Last edited by andre_teprom; 15-05-11 at 01:14.
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