Dielectric’s ‘Green’ Antennas Increase Power Efficiency - Radio World

Dielectric’s ‘Green’ Antennas Increase Power Efficiency

Dielectric Communications says it has made improvements to its interleaved arrays for FM radio, providing isolation without the use and added cost of a circulator.
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Dielectric Communications says it has made improvements to its interleaved arrays for FM radio, providing isolation without the use and added cost of a circulator.

The company’s interleaved solutions now yield a minimum –40 dB isolation for single-frequency antennas, and a minimum –30 dB isolation in dual-frequency applications, regardless of the antenna bay styles, it said.

“By providing sufficient isolation for both digital-to-analog and analog-to-digital applications, our new antennas will allow broadcasters to increase their digital transmitter power without affecting their analog transmission. It’s a clear upgrade path for broadcasters looking to transition to digital,” said Dielectric Vice President and General Manager Garrett VanAtta.

“Not only that, these antennas provide a ‘green’ solution by dramatically increasing power efficiency compared to the 10 dB couplers many broadcasters were using,” he added.

Dielectric says its new interleaved arrays, including a DCRC6 interleaved array with an HDRH4 antenna that provides –41 dB of isolation, will soon be in use at customer sites.

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