Double band-pass Coaxial Cavity Filters in quarter wave high “Q” with variable coupling. Installed between transmitter and antenna provides an output signal free from spurious and a perfect isolation from other emissions. Made of aluminium with internal lines of silvered copper and PTFE insulators. These double FM coaxial cavity filters have a B.W. command that allow you to adjust selectivity.
Double Coaxil Cavity FM- 1KW
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High “Q” Factor:The cavity’s design provides a high Q-factor, meaning it selectively enhances the desired frequency while attenuating unwanted signals.
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Variable Coupling:The filter allows for adjusting the coupling between the input and output, enabling optimization for specific transmission setups.
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Bandwidth Control:A bandwidth (BW) command allows for fine-tuning the filter’s selectivity to suit different broadcasting needs.
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Signal Purification:The filter provides a clean output signal free from spurious emissions and well-isolated from other signals.
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Material:These filters are typically constructed from aluminum with internal lines of silvered copper and PTFE insulators.
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Frequency Range:They are designed to operate within the FM band (87.5-108 MHz).
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Impedance:They typically have a 50-ohm impedance for compatibility with standard broadcast equipment.
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VSWR:They aim for a low Voltage Standing Wave Ratio (VSWR), typically less than 1.15:1, to ensure efficient power transfer.
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Input/Output Connections:Commonly use N-type connectors for connecting to transmission lines.
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