BPF 3/…-200Q-SHT

Band-Pass Filter for the 130 MHz Band

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BPF 3/...-200Q-SHT

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BPF 3/…-200Q-SHT
Electrical
Model
BPF 3/1- 200Q-SHTBPF 3/2- 200Q-SHTBPF 3/3- 200Q-SHT
Frequency 118 – 136 MHz
Max. Input Power
350 W @ 0.6 dB IL
150 W @ 2.0 dB IL350 W @ 1.2 dB IL
150 W @ 4.0 dB IL350 W @ 1.8 dB IL
150 W @ 6.0 dB IL
Insertion Loss
Adjustable 0.6 – 2.0 dBAdjustable 1.2 – 4.0 dBAdjustable 1.8 – 6.0 dB
Impedance 50 Ω
Attenuation
See figure 1See figure 2See figure 3
VSWR < 1.5:1
Environmental
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 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. 5.1 kg / 11.24 lb.Approx. 10.5 kg / 23.15 lb.Approx. 15 kg / 33.07 lb.
  • High-power base station shortened band-pass filter for the 118 – 136 MHz range.
  • During trimming, the threaded rod will externally remain at the same position – especially beneficial when the cavity is fitted in tight locations (e.g. in racks).
  • Due to the use of large ø200 mm cavities a high Q is achieved, resulting in a very narrow passband.
  • The large dimensions also mean a high power rating.
  • The SHT-version has only 600 mm cavity length.
  • Unloaded Q of a single cavity is approx. 3000.
  • High frequency stability on temperature and power.
  • 19” mounting brackets are available as an option.

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Model Product No. Max. Input PowerInsertion Loss Add To Quote

BPF 3/1-200Q-SHT

 200002079 350 W @ 0.6 dB IL 150 W @ 2.0 dB IL Adjustable 0.6 – 2.0 dB

BPF 3/2-200Q-SHT

 200002170 350 W @ 1.2 dB IL 150 W @ 4.0 dB IL Adjustable 1.2 – 4.0 dB

BPF 3/3-200Q-SHT

 200002171 350 W @ 1.8 dB IL 150 W @ 6.0 dB IL Adjustable 1.8 – 6.0 dB

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Typical response curves

Figure 1

BPF 3 1 200Q SHT curve GB

Figure 2

BPF 3 2 200Q SHT curve GB

Figure 3

BPF 3 3 200Q SHT Curve GB