BRF 2/3
Band-Reject (Notch) Filters for the 160 MHz
Description
- The BRF 2/3 is a 3-cavity notchfilter using helical resonators.
- This filter rejects a narrow band of frequencies in the 2 m band and passes all others in the range 0 – 430 MHz. The filter can be applied both in connection with transmitters and receivers to attenuate interfering signals causing cross modulation effects. The filter can be employed as a single component or it can function as an integrated part of a complete multicoupling system.
- The BRF 2/3 can be tuned within the complete 144 – 175 MHz band. Careful design and choice of materials ensure reliable operation over a wide temperature range.
- The housing is made of extruded aluminium, the chassis of passivated steel, and teflon insulation has been applied in the coaxial cables and in the connectors.
- The filter is black-vinyl coated to prevent corrosion.