Radio & TV Broadcasting Equipment Scott S.A - Greece

FM Amplifier output power 1000W mod KFS 1000

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FM Amplifier output power 1000W mod KFS 1000

SCOTT SA, FM Amplifier output power 1000W mod KFS 1000

, FM Amplifier output power 1000W mod KFS 1000

 This FM amplifier is designed to operate on 87.5 - 108 MHz frequency range for FM radio broadcasting appliances. It gives 1 kW of output power in continuous service.  Lowest dimensions and weight in the market. A new coupling architecture permits a dramatic reductions of, dimensions, weight and cooling, simplifing transport, installation and maintenance. The amplifier height is only 132 mm (3U).  

COLD FET™ technology. This revolutionary technology, a DB Elettronica international patent, is used in the KFS 1000 amplifier to optimize the input matching of MOS-FET transistors in order to obtain broadband amplification stages without any RF component. This means: - high RF efficiency > 83% - lower heating - higher devices safety - higher total reliability - low AC power consumption Extraordinary RF efficiency: the COLD-FET™ technology allows to obtain from the amplifiers the full power rating reducing of almost 20% the devices recommended operating DC voltage and current.

Uninterrupted service. A proportional foldback protection circuit reduces the output power without any on-air interruption, keeping the RF devices always within the safety conditions in case of:  environmental over-temperature - cooling failure - failure in one or more RF stage - failure in power supply modules

High modules redundancy: The KFS 1000 1 kW amplifier is composed of 4 x 300 W stages coupled with high isolation combiners. This architecture assures the highest module redundancy. High gain 18 dB gain permits the full output power with low input driving.

Broadband: no adjustments are required for the full power operation in the 87.5÷108 MHz band. The automatic power control circuit adjusts and stabilizes with precision (±1%) the maximum output power in the whole band.  

The switch-mode power supply is largely oversized and guarantees a regular operation even in the presence of wide main voltage fluctuations: the switching converters contribute to obtain a very high AC to RF efficiency (67% typ.). Low overheating. The high cooling system efficiency limits the heatsink overheating respect to the environmental temperature. This permits the service even in overheated sites.

Low consumption. The high overall efficiency means a reduction of AC power consumption and operating costs.

Reduced maintenance. Easy accessibility of all parts, no RF failure, no power supply failure, external serviceable air filter reduce dramatically the maintenance costs.

Meets or exceeds international standards for safety and electrical specifications.

Product Code:KFS 1000
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