PROCOM A/S

BPF 6/3

Band-Pass Filter for the 6 m Band

DESCRIPTION

  • 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.
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ORDERING DESIGNATIONS

TYPE NO. PRODUCT NO.
BPF 6/3 200000886

SPECIFICATIONS

ELECTRICAL  
MODEL BPF 6/3
FILTER TYPE Band-pass filter
TUNING RANGE 48 - 52 MHz
MAX. INPUT POWER 50 W
INSERTION LOSS ≤ 1.5 dB
ATTENUATION AROUND PASS-BAND See curves
OUT OF BAND ATTENUATION See curves
IMPEDANCE Nom. 50 Ω
SWR ≤ 1.5
MECHANICAL  
TEMP. RANGE –30° C → +60° C
FREQ. STABILITY Approx. 10 ppm/° C
CONNECTORS BNC-female (others on request)
DIMENSIONS (L x W x H) 175 (incl. conn.) x 77 x 33 mm
WEIGHT Approx 390 g

TYPICAL RESPONSE CURVES

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.

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SpecifikationerI PDF format
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PROCOM Antennas AB • Kanalvägen 17 • SE- 183 30 Täby • Sverige • Phone: +46 (0)8-20 50 10 • E-mail: info@procom.se • Owner of Skymasts Antennas