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BPF 2/...-200

Band Pass FiltersBPF 2/...-200

Band-Pass Filters for the 150 MHz Band

Description

  • High power base station band-pass filters for the 140 - 175 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.

Specifications

Electrical
Model BPF 2/1-200 BPF 2/2-200 BPF 2/3-200
Frequency 140 - 175 MHz
Max. Input Power 350 W @ 0.5 dB IL
150 W @ 2.0 dB IL		 350 W @ 1.0 dB IL
150 W @ 4.0 dB IL		 350 W @ 1.5 dB IL
150 W @ 6.0 dB IL
Insertion Loss Adjustable 0.4 - 2.0 dB Adjustable 0.8 - 4.0 dB Adjustable 1.2 - 6.0 dB
Impedance 50 Ω
Attenuation See figure 1 See figure 2 See figure 3
VSWR < 1.5:1
Mechanical
Connection(s) N(f)
Dimensions ø200 x 600 mm /
ø7.87 x 23.62 in.		 200 x 400 x 600 mm /
7.87 x 15.75 x 23.62 in.		 200 x 600 x 600 mm /
7.87 x 23.62 x 23.62 in.
Weight Approx. 3.8 kg / 8.38 lb. Approx. 8.5 kg / 18.74 lb. Approx. 12.6 kg / 27.78 lb.
Environmental
Operating temperature range -30 °C to +60 °C
Frequency Stability Approx. 1.5 ppm / °C

Ordering Designations

Model Product No.
BPF 2/1-200 200001055
BPF 2/2-200 200000965
BPF 2/3-200 200001057

Typical response curves

Figure 1
 
bpf 2 1 200 curve GB
 
Figure 2
 
bpf 2 2 200 curve GB
 
Figure 3
 
bpf 2 3 200 curve GB
 
 

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