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Dielectric develops high-power single-mode UHF filter


Latin America. Dielectric has changed the game for high-power single-channel applications and combination of adjacent channels with its new single-mode filter.

Used as a combiner, the new high-power UHF filter is designed for two adjacent TV transmission systems with a capacity of 60 kW TPO per channel and provides additional power capacity for broadband applications.

It can also be used as a single-channel 80 kW reflective filter, making it an economical alternative to the traditional dual-mode constant impedance (CIF) filter or the repackaged waveguide tunable CIF. The first orders are in production and are shipped in October.

Dielectric's single-mode filter reduces the number of components required for 80 kW applications. Dielectric's innovation uses a thoughtful design approach versus the CIF approach, which requires two filters and input and output hybrids. The hardware reduction also reduces installation space, a substantial benefit for broadcasters with limited space for RF installations. The fact that the filter is single-mode means that it requires very few parts to work, which gives reliability to the emitters.

Richard Santa, RAVT
Author: Richard Santa, RAVT
Periodista de la Universidad de Antioquia (2010), con experiencia en temas sobre tecnología y economía. Editor de las revistas TVyVideo+Radio y AVI Latinoamérica. Coordinador académico de TecnoTelevisión&Radio.

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