LNA With a Bypass Mode Improves Overload Resistance for Mobile TV

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  • Author: Chin Leong Lim
Television (TV) stations broadcast in the very high frequency (VHF, 30-300 MHz) and ultra high frequency (UHF 300-900 MHz) bands. Opposite to the small cell philosophy popularized by modern wireless telephone service, free-to-air TV broadcast is historically driven by the need to extend the area of coverage, as doing so will garner a larger audience. So, commercial TV transmissions utilize tall aerial towers and power level in the 10-50 kW range in order to maximize their radio horizon. In comparison, the transmit power of a cellular repeater is many magnitude orders lower at 50 W.
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