The figure below shows a block diagram of a table-top AM radio from the late 40’s where the radio tunes in stations at the frequency frf = frequency of OSC1 – 455 kHz.

Returning to our overall digital receiver block diagram shown in Figure 18 , our output signal is now translated, filtered, and bandlimited and is ready for further processing.

There are many ways to build a radio receiver, but most have a few things in common, such as oscillators, tuned circuits, detectors, mixers, and amplifiers. Put those together in the right order an… ...