In this topic, we'll show some pictures with explanations about small loop antenna.
The small loop antenna is a closed loop. These antennas have low radiation resistance and high reactance, so that theirtg impedance is difficult to match to a transmitter. As a result, these antennas are most often used as receive antennas, where impedance mismatch loss can be tolerated.
The small loop antenna is a closed loop. These antennas have low radiation resistance and high reactance, so that theirtg impedance is difficult to match to a transmitter. As a result, these antennas are most often used as receive antennas, where impedance mismatch loss can be tolerated.
Loop-stick antenna
Ferrite core and multiple turns
Large radiation resistance
AM receiver
Ferrite core and multiple turns
Large radiation resistance
AM receiver
Crystal loop antenna
Efficient antenna: multiple turns
Direction of current, feeding point
Efficient antenna: multiple turns
Direction of current, feeding point
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