Filters for Communication Equipment o LFB32_SB Series (1210) 3.
2±0.
2 (1) (4) (2) 0.
3±0.
2 (3) 0.
8±0.
2 0.
4±0.
3 1.
2±0.
3 1.
5±0.
2 2.
5±0.
2 (1) : IN (2) : GND (3) : OUT (4) : GND (in mm) Attenuation (dB) Frequency Characteristics 0 10 20 30 40 50 60 70 900 1900 Frequency (MHz) 2900 Part Number Nominal Center Bandwidth (BW) Frequency (fo) (MHz) (MHz) LFB321G66SB1-560 1662 fo±12.
5 LFB321G89SB1-591 1890 fo±10.
0 LFB321G90SB1-559 1907.
5 fo±12.
5 Insertion Loss in BW (dB) 2 max.
(at 25°C) 1.
2 max.
(at 25°C) 1.
0 max.
(at 25°C) Attenuation (Absolute Value) I) (dB) 27 min.
at 1895~1918MHz 21 min.
at 1655~1675MHz 35 min.
at 1397.
5~1440MHz Attenuation (Absolute Value) II) (dB) 20 ...

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