Fiber optic links for antenna remoting

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Abstract
A high linearity, high dynamic range analog fiber optic link is described which allows high fidelity distortion-free communications transmission from 2 to 500 MHz and provides an alternative to conventional coaxial cables used to remote RF receivers from their antennas. All signals within four frequency bands (2-30, 30-90, 90-180, and 180-500 MHz) and within specified voltage ranges are detected and transmitted via fiber optics. This function is performed by a system of four separate analog fiber-optic links, one for each of the four bands. The discussion covers the electro-optic, mechanical, and thermal design of the fiber optic link, the performance model, reliability analysis, and performance tests.

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