FM embedded antennas
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Invented in 1935, Frequency Modulation (FM) is one of the most widely used analog modulation techniques in telecommunications. Since its inception FM radio has been used for high-fidelity music and speech broadcasting, offering excellent sound quality, signal robustness and noise immunity. Recently, FM Radio has witnessed an explosion of interest for its applications in mobile and personal media players (PMP). However, the traditional FM requires a long antenna, such as a wired headphone, which limits its usefulness for many users who do not carry a wired headset. This paper introduces FM solutions that enable the antenna to be integrated or embedded inside the device enclosure, thereby optimizing the end solution for portable consumer electronics.