BPF 6/3

Band-Pass Filter for the 6 m Band

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Data Sheet
CE Certification

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BPF 6/3
Electrical
Model BPF 6/3
Filter Type Band-pass filter
Frequency 48 – 52 MHz
Max. Input Power 50 W
Insertion Loss ≤1.5 dB
Impedance 50 Ω
Reject Attenuation See curve
VSWR < 1.5:1
Bandwidth See curve
Environmental
Frequency Stability Approx. 10 ppm / °C
Operating temperature range -30 °C to +60 °C
Mechanical
Connection(s) N(f)
(BNC(f), TNC(f), UHF(f) or SMA(f) on request)
Historic Brand Amphenol Procom
Dimensions 175 (incl. conn.) x 77 x 33 mm /
6.89 x 3.03 x 1.3 in.
Weight Approx. 0.39 kg / 0.86 lb.
  • The BPF 6/3 is a 3-helical resonator band-pass filter with aperture-coupling between the resonators.
  • This filter can be used as a preselector to protect a receiver against interference from transmissions out of the pass-band, or it can be used to reduce spurious output from a transmitter with up to 50 watts of output power.
  • The filter has very small dimensions owing to the use of helical resonators. 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 used in the coaxial cables and in the connectors. The filter is black vinyl coated to prevent corrosion.
  • Band-pass filters similar to the BPF 6/3 but with pass-band frequency between 30 and 66 MHz may be quoted on request.

TYPICAL RESPONSE CURVES

Model Product No. Add To Quote
Band-Pass Filter for the 6 m Band 200000891

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Typical Response curve

bpf 6 3 resp comb

Please Note

BPF 6/3 provided with other connector types, or filters similar to the BPF 6/3 but with pass-band frequency between 30 and 66 MHz may be quoted on request.