BPBR 4/…-250

Band-Pass/Band-Reject Filters for the 80 MHz Band

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BPBR 4/...-250

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BPBR 4/…-250
Electrical
Model
BPBR 4/1-250BPBR 4/2-250BPBR 4/3-250
Frequency 66 – 88 MHz
Max. Input Power
350 W @ 0.5 dB IL
150 W @ 2.0 dB IL350 W @ 1.0 dB IL
150 W @ 4.0 dB IL350 W @ 1.5 dB IL
150 W @ 6.0 dB IL
Insertion Loss
Adjustable 0.3 – 2.0 dBAdjustable 0.6 – 4.0 dBAdjustable 0.3 – 6.0 dB
Impedance 50 Ω
Attenuation
See figure 1See figure 2See figure 3
VSWR ≤ 1.5:1
Environmental
Frequency Stability Approx. 1.5 ppm / °C
Operating temperature range -30 °C to +60 °C
Mechanical
Connection(s) N(f)
Historic Brand Amphenol Procom
Dimensions
250 x 1200 mm dia. /
9.84 x 47.24 in. dia.250 x 500 x 1200 mm /
9.84 x 19.68 x 47.24 in.250 x 750 x 1200 mm /
9.84 x 29.52 x 47.24 in.
Weight
Approx. 8.6 kg / 18.96 lb.Approx. 17.5 kg / 38.58 lb.Approx. 26.6 kg / 58.64 lb.
  • High power base station band-pass/band-reject filters for the 66 – 88 MHz range.
  • The use of large ø250 mm cavities means a high Q, resulting in a very narrow pass/reject spacing.
  • The large dimensions also mean a high power rating.
  • Unloaded Q of a single cavity is approx. 8000.
  • High frequency stability on temperature and power.
  • 19” mounting brackets are available as an option.

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Model Product No. Model Add To Quote

BPBR 4/1-250

 200001897 BPBR 4/1-250

BPBR 4/2-250

 200001898 BPBR 4/2-250

BPBR 4/3-250

 200001899 BPBR 4/3-250

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Typical Response Curves

Figure 1

bpbr 4 1 250 insloss GB

Figure 2

bpbr 4 2 250 insloss GB

Figure 3

bpbr 4 3 250 insloss GB