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Notch filter 144-175 MHz 50 W
BRF 2/4 N | Amphenol Procom
The Amphenol Procom 144-175 MHz 50W notch filter is a 4-cavity filter with helical resonators, designed to reject a narrow band of frequencies in the 2m band while allowing the rest to pass. Tunable over the entire 144-175 MHz band, it offers up to 75 dB of rejection attenuation, an insertion loss of less than or equal to 1 dB outside the rejection band, and corrosion-resistant construction.
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Description
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Description
The Amphenol Procom 144-175 MHz 50 W notch filter is a 4-cavity band-reject filter with helical resonators, designed to attenuate interfering signals that cause cross-modulation effects in transmitter and receiver applications. It can be used as a single component or as an integrated part of a complete multicoupling system.
The device is tunable across the entire 144-175 MHz band and supports a maximum input power of 50 W. It is constructed with an extruded aluminum case, a passivated steel chassis, and Teflon insulation in the coaxial cables and connectors. The black vinyl coating contributes to corrosion protection, while reliable operation is guaranteed over a temperature range of -30 °C to +60 °C.
Main Features
- 4-cavity band-reject notch filter with helical resonators.
- Frequency range of 144 MHz to 175 MHz.
- Maximum input power of 50 W.
- Insertion loss less than or equal to 1 dB outside the rejection band.
- Single-channel tuned rejection attenuation greater than or equal to 75 dB.
- Impedance of 50 Ohm.
- Connection N female, with BNC female and TNC female on request.
- Dimensions of 165 x 104 x 33 mm.
- Approximate weight of 0.58 kg.
- Mounting with 6 holes with a diameter of 5 mm.
- Operating temperature from -30 °C to +60 °C.