Beskrivelsefor the 450 MHz Band
Band Pass Filters BPF 70/4-HX.
Band-Pass Filter for the 450 MHz Band.
The BPF 70/4-HX is a 4 helical resonator band-pass filter with aperture coupling between the resonators.
This filter can be used as a preselector to protect a receiver from interference from transmitters outside the band-pass limits.
When installed in the output of a transmitter, the BPF 70/4-HX reduces spurious signals.
The BPF 70/4-HX is adjustable over the range 406 - 470 MHz.
Very compact due to use of helical resonators.
The careful choice of materials, ensures the filter will function reliably over a wide temperature range.
Extruded aluminium sections, steel racks and coax cables and connectors with teflon insulation ensure good mechanical strength.
The filter is black vinyl coated to prevent corrosion.Band Pass Filters BPF 70/4-HX.
Band-Pass Filter for the 450 MHz Band.
The BPF 70/4-HX is a 4 helical resonator band-pass filter with aperture coupling between the resonators.
This filter can be used as a preselector to protect a receiver from interference from transmitters outside the band-pass limits.
When installed in the output of a transmitter, the BPF 70/4-HX reduces spurious signals.
The BPF 70/4-HX is adjustable over the range 406 - 470 MHz.
Very compact due to use of helical resonators.
The careful choice of materials, ensures the filter will function reliably over a wide temperature range.
Extruded aluminium sections, steel racks and coax cables and connectors with teflon insulation ensure good mechanical strength.
The filter is black vinyl coated to prevent corrosion.