BPF 70/3

Band-Pass Filter for the 70 cm Band

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Data Sheet
CE Certification

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BPF 70/3
Electrical
Model BPF 70/3
Filter Type Band-pass filter
Frequency 380 – 470 MHz
Max. Input Power 50 W
Insertion Loss ≤ 1.4 dB
Impedance 50 Ω
Reject Attenuation See curve
VSWR < 1.5:1
Bandwidth 4 MHz
Environmental
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 225 x 77 x 33 mm /
8.83 x 3.03 x 1.30 in. (incl. connectors)
Weight Approx. 0.55 kg / 1.21 lb.
  • The BPF 70/3 is a 3 x ¼ λ resonator band-pass filter with internal coupling between the resonators.
  • This filter can be used as a preselector to protect a receiver against interference from transmissions out of the passband, or it can be used to reduce spurious output from a transmitter with up to 50 W output power.
  • The filter can be tuned within the entire 380 – 470 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 brass, and teflon insulation has been used in the coaxial cables and in the connectors.
  • The filter is black vinyl coated to prevent corrosion.

TYPICAL RESPONSE CURVES

Model Product No. Add To Quote
Band-Pass Filter for the 70 cm Band 200000906

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