KB6NU's Ham Radio Blog

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EMC applications for software-defined radio

Posted: 21 May 2021 06:45 AM PDT
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This is a talk given to the IEEE Southeast Michigan Sections EMC Society by
Karen Burnham, KE8GVH. While there is a short commercial for the presenters
company, its a pretty good explanation of software-defined radio (SDR) and
how SDRs compare to superheterodyne radios. Over half of the talk explains
how SDRs work and what you can do with them.

While the presenter says that shes not going to talk about ham radio
applications, the applications she does talk about certainly are useful for
amateur radio operators. For example, one of Burnhams demonstrations is the
spectral purity of an FRS radio. You could also get a feel for how pure
your HT signal is, realizing that what you get out of a cheap SDR dongle is
not really calibrated.

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