Understanding radio circuits through block diagrams
A transmitter or receiver often contains a hundred or more parts. You can understand them easier
by grouping them into stages. Circuit descriptions of equipment often include a block diagram to
explain their operation clearer. These videos explain block diagrams in terms of Filters, Oscillators, Amplifiers and Mixers. These are the four basic stages that
form the building blocks of much radio equipment we use today.
Further information on circuits is contained in the following:
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