[KB6NU] Two-part series covers receiver basics
KB6NU's Ham Radio Blog /////////////////////////////////////////// Two-part series covers receiver basics Posted: 02 Apr 2016 11:54 AM PDT http://feedproxy.google.com/~r/kb6nu...m_medium=email Microwaves&RF, an electronics engineering trade magazine is running a two-part series on receiver basics. Part 1 discusses noise figure, direct-conversion receivers, and single-conversion superheterodyne receivers. Part 2 covers dual-conversion superheterodyne receivers and direct RF sampling receivers (shown below). Theres also a short discussion of the performance characteristics of each type of receiver. Block diagram of a direct RF-sampling receiver. This is the type of receiver found in the new Icom IC-7300. This discussion is pertinent because advances in analog-to-digital converter technology is allowing manufacturers toÂ*Â*direct RF sampling receivers. The Elecraft KX3, Flexradio transceivers, and the new and much-touted ICOM IC-7300 all have direct RF sampling receivers. The post Two-part series covers receiver basics appeared first on KB6NUs Ham Radio Blog. |
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