BRF 4/…-200

Band-Reject Filters for the 80 MHz Band

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BRF 4/...-200

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BRF 4/…-200
Electrical
Model
BRF 4/1-200BRF 4/2-200BRF 4/3-200
Frequency 66 – 88 MHz
Max. Input Power
350 W @ 0.5 dB IL
200 W @ 1.0 dB IL350 W @ 1.0 dB IL
200 W @ 2.0 dB IL350 W @ 1.5 dB IL
200 W @ 3.0 dB IL
1 dB Notch Bandwidth 1 % of fc
Impedance 50 Ω
VSWR ≤ 1.5:1
Environmental
Frequency Stability 1.5 ppm/° C (approx.)
Operating temperature range -30 °C to +60 °C-
Mechanical
Connection(s) N(f)
Historic Brand Procom
Dimensions
ø200 x 1200 mm / ø7.87 x 47.24 in.L:200 x W:400 x H:1200 mm / L:7.87 x W:15.74 x H:47.74 in.L:200 x W:600 x H:1200 mm / L:7.87 x W:23.62 x H:47.74 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-reject filters for the 66 – 88 MHz range.
  • The use of large ø200 mm cavities means a high Q, resulting in a very narrow notch bandwidth.
  • 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. Max. Input Power Add To Quote

BRF 4/1-200

 200001920 350 W @ 0.5 dB IL 200 W @ 1.0 dB IL

BRF 4/2-200

 200001921 350 W @ 1.0 dB IL 200 W @ 2.0 dB IL

BRF 4/3-200

 200001922 350 W @ 1.5 dB IL 200 W @ 3.0 dB IL

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