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2 Results Found For "noise"
VA6AM Engineering HF Band-Pass Filters
VA6AM Engineering HF Band-Pass Filters are very high-quality multi-stage inline passive electronic devices designed to specifically limit the transmitting and receiving RF passband to a single Amateur band. They provide the clear benefit of a dramatically lower noise floor for enhanced single-band weak signal reception that is desired by DXers, elite contesting stations and Field Day operations. Used individually on mono-band radio and antenna combinations, these filters provide the isolation required, eliminating image and harmonic RF interference issues for dedicated mono-band operations in multi-radio contesting environments. Required for use with transmit multiplexers, these filters provide the additional isolation needed to allow multiple transceivers to be operated on different bands simultaneously on the same antenna.
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$235.99
RF Meca 200W Transmit Band Pass Filters
RF Meca 200W Transmit Band Pass Filters are perfect for contesting at low power and for DXpeditions when multiband antennas are used. These high-quality bandpass filters, from the French manufacturer RF Meca, feature an HF-tight sheet metal housing to maintain optimal functionality and signal integrity. Advantages of RF Meca Bandpass Filters. Reduction of Interference: Band pass filters block unwanted signals outside the target frequency band, minimizing interference from adjacent frequencies and improving signal quality. Improved Signal-to-Noise Ratio (SNR): By suppressing noise and interference outside the desired frequency range, band pass filters enhance the SNR. This makes it easier for the receiver to detect weak signals in the target frequency band, effectively increasing the system's sensitivity. Avoiding Overload: Strong signals outside the target band can overload the receiver and cause distortion. Band pass filters prevent this by allowing only the desired frequency band to pass through. Avoidance of Harmonic Interference: Band pass filters help suppress harmonic and other non-linear distortions that could radiate into neighboring bands.
( 1 )
$239.99