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Icom 756 Pro III
Roofing Filter

Return to ICOM IC-756 Pro III

Discontinued Amateur Base Transceivers 

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IC-756 Pro III Roofing Filter

roofing filter

The Icom IC-756 ProIII uses a fundamental-mode monolithic crystal filter for the roofing filter. Although it is more expensive than overtone-mode filters, the fundamental-mode filter has a better shape factor and is less susceptible to intermodulation distortion under strong-signal conditions. This is the same 15kHz crystal filter used in the IC-7800.


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