Blog
11 Mar 2011
Direct conversion RF receivers are different from the standard superheterodyne one as they don’t have IF stage, and so the radio signals are directly converted into audio signals. This project uses 3 555 timer ICs as the only active devices to construct a direct-conversion radio receiver for the 80 meter amateur radio band. [via]
555 Contest Entry: Direct conversion RF receiver for 80 meter amateur band - [Link]
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