BPF 88-108

Band-Pass Filter for FM radio band 87.5 – 108 MHz

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BPF 88-108

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BPF 88-108
Electrical
Model BPF 88-108
Frequency 87.5 – 108 MHz
Max. Input Power 15 W
Insertion Loss Max. 1.3 dB
Impedance 50 Ω
Reject Attenuation > 35 dB @ 0 – 68 MHz and 146 – 1000 MHz (see curve)
VSWR ≤ 1.5:1
Bandwidth 20.5 MHz
Environmental
Operating temperature range -30 °C to +60 °C
Ingress Protection IP41
Mechanical
Connection(s) FME(m), TNC(f), BNC(f) or SMA(f)
Historic Brand Procom
Dimensions FME(m):
50 x 21 x 48 mm (incl. conn.) / 1.97 x 0.83 x 1.89 in.

TNC(f), BNC(f), SMA(f):
50 x 21 x 52 mm (incl. conn.) / 1.97 x 0.83 x 2.05 in.
Weight Approx. 0.06 kg / 0.13 lb.
  • BPF 88-108 is an LC band-pass filter.
  • Allows the whole band 87.5 – 108 MHz to pass.
  • Series coupled high/low pass filter design.
  • Chebychev characteristic ensures low insertion loss and high out-of-band rejection.
  • Can be used as transmitter filter to prevent out-of-band and harmonics radiation.
  • Can be used as a preselector filter to protect a receiver against interferences from transmitters normally being outside the band-pass range.
  • Very small dimensions, mounted in a 50 x 21 x 45 mm case.
  • FME(m) connectors for easy and handy coupling to the surroundings.
  • Also available with SMA(f), TNC(f) or BNC(f) connector types. See ordering designations.
  • Provided with dual adhesive pad for quick installation.
  • BPF 88-108 is lacquered with black vinyl enamel to avoid corrosion.

MECHANICAL OUTLINE

INSERTIONS LOSS (dB)

TYPICAL RESPONSE CURVES

Model Product No. Connection(s) Add To Quote

BPF 88-108 FME(m)

 200001991 FME(m)

BPF 88-108 TNC(f)

 200001737 TNC(f)

BPF 88-108 BNC(f)

 200002244 BNC(f)

BPF 88-108 SMA(f)

 200001796 SMA(f)

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Typical Response Curve

BPF 88 108 SMA kurve

Insertion Loss (dB)

BPF 88 108 INS LOSS kurve

Mechanical Outline for FME(m)

BPF xxx xxx Dimension FME

All dimensions are given in mm [in.]

Mechanical Outline for TNC(f), BNC(f) or SMA(f)

BPF xxx xxx Dimension SMA

All dimensions are given in mm [in.]