Band Reject FiltersBRF 900/...-200

Band-Reject Filters for the 900 MHz Band

Description

  • High power base station band-reject filters for the 890 – 960 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.

Specifications

Electrical
Model BRF 900/1-200 BRF 900/2-200 BRF 900/3-200
Frequency 890 - 960 MHz
Max. Input Power 350 W @ 0.5 dB IL
200 W @ 1.0 dB IL
350 W @ 1.0 dB IL
200 W @ 2.0 dB IL
350 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
Mechanical
Connection(s) N(f)
Dimensions ø200 x 200 mm / ø7.87 x 7.87 in. L:200 x W:400 x H:200 mm / L:7.87 x W:15.74 x H:7.87 in. L:200 x W:600 x H:200 mm / L:7.87 x W:23.62 x H:7.87 in.
Weight Approx. 0.9 kg / 1.98 lb. Approx. 2 kg / 4.4 lb. Approx. 3.3 kg / 7.26 lb.
Environmental
Operating temperature range -30 °C to +60 °C
Frequency Stability 1.5 ppm/° C (approx.)

Ordering Designations

Model Product No.
BRF 900/1-200 200001948
BRF 900/2-200 200001949
BRF 900/3-200 200001950