BPF 4/…-200

Band-Pass Filters for the 80 MHz Band

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BPF 4/...-200

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BPF 4/…-200
Electrical
Model
BPF 4/1-200BPF 4/2-200BPF 4/3-200
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 0.4 – 2.0 dBAdjustable 0.8 – 4.0 dBAdjustable 1.2 – 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)
Max. RPM 200 (On tuning rod)
Historic Brand Amphenol Procom
Dimensions
ø200 x 1200 mm /
ø7.87 x 47.24 in.200 x 400 x 1200 mm /
7.87 x 15.75 x 47.24 in.200 x 600 x 1200 mm /
7.87 x 23.62 x 47.24 in.
Weight
Approx. 6.7 kg / 14.77 lb.Approx. 13.7 kg / 30.20 lb.Approx. 20.9 kg / 46.08 lb.
  • High power base station band-pass filters for the 66 – 88 MHz range.
  • The use of large ø200 mm cavities means a high Q, resulting in a very narrow passband.
  • The large dimensions also mean a high power rating.
  • Unloaded Q of a single cavity is approx. 7000.
  • 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

BPF 4/1-200

 200000989 BPF 4/1-200

BPF 4/2-200

 200001166 BPF 4/2-200

BPF 4/3-200

 200001882 BPF 4/3-200

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Typical response curves

Figure 1

bpf 4 1 200 insloss GB

Figure 2

bpf 4 2 200 insloss GB

Figure 3

bpf 4 3 200 insloss GB