Electrical currents and charges radiate, but the net effects usually cancel; an antenna is a special structure arranged to avoid such cancellation and create electromagnetic waves from electrical ...
Antennas are sensitive to their surroundings. Thus, when there’s an antenna on the PCB, the layout for the design should take the requirements of the antenna into account, as this can make a huge ...
Let's summarize the message of the last couple of sections. To transmit to a tag, a reader uses amplitude modulation to send a series of digital symbols. The symbols are coded to ensure that ...
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