antenna

EAGLE library for 2.45GHz planar inverted F antenna (PIFA)

In creating Mark II of a Bluetooth link with my telescope mount, I realized I would need a 2.45GHz antenna for better performance. So I went looking on the Internet for information on Bluetooth antennas. I collected 5 basic options: quarter-wave wire antenna, half-wave wire antenna, chip antenna, external 50Ω antenna, and planar (PCB) antenna:

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