it has a number of undocumented characteristics that can be exploited to create simple radio receiver circuits that deliver surprisingly high performance. These circuits can be used for receiving AM, ...

Software Defined Radio (SDR) is the big thing these days, and why not? A single computer can get rid of a room full of boat anchors, and give you better signal discrimination than all but the best ...

This remarkable development of RF circuits is chronicled in the first ... the author runs through the attributes and limitations of various receiver and transmitter architectures.

Applied right this technique allows the creation of a entrance RF stage field ... overload of the receiver and intermodulations caused by very strong signals. Unlike of entry sections in many SW high ...