Document
Filters for Communication Equipment
Return Loss (dB)
o LFB31_SP Series (1206)
3.20±0.15 (1)
1.3±0.1
1.60±0.15
(4)
Directional
(2)
Input Mark
0.25±0.15
(3) 0.25±0.15
1.35±0.20 0.50±0.15
(1) IN (2) GND (3) OUT (4) GND
* All the technical data and Information contained herein are
subject to change without prior notice.
(in mm)
0.95±0.15 0.325±0.200
Attenuation (dB)
Frequency Characteristics
00 10 10 20 20 30 30 40 40 50 50 60 60 70 70
0 1.5 3.0 Frequency Range (GHz)
Part Number
Nominal Center Bandwidth (BW)
Frequency (fo) (MHz)
(MHz)
Insertion Loss in BW (dB)
LFB311G89SP1A542
1890
fo±10.0
0.85 max. (at 25°C)
LFB311G90SP1-798
1906.5
fo±13.5
1.0 max. (at 25°C)
LFB312G45SP1A502
2450
fo±50
1.4 max. (at 25°C)
Attenuation (Absolute Value) I) (dB)
29 min. at 1416.9~1436.9Hz 38 min. at 1405~1440MHz
20 min. at 902~928MHz
Attenuation (Absolute Value) II) (dB)
22 min. at 900MHz 12.0 min. at 1649~1680MHz 35 min. at 1500~1550MHz
o LFB32_SA Series (1210)
3.2±0.2
1.75±0.15
(1) (2) (3)
(8) (4)
(7) (6) (5) 0.3±0.2
1.0±0.2
0.1 min
0.45±0.15
0.5.5±0.15
(1) : NC (2) : GND (3) : NC (4) : OUT
(5) : NC (6) : GND (7) : NC (8) : IN
* Terminal of "NC" should not be connected to any pattern. (in mm)
Frequency Characteristics
0 10 20 30 40 50 60 70 320
820 Frequency Range (MHz)
0 10 20 30 40 50 60 70 1320
Part Number
Nominal Center Bandwidth (BW)
Frequency (fo)
(MHz)
(MHz)
LFB32741MSA1-744
741.5
fo±19.5
LFB32836MSA1-747
836.5
fo±12.5
LFB32851MSA1A540
851
fo±19
LFB32881MSA1-781
881.5
fo±12.5
LFB32881MSA1A556
881.5
fo±12.5
LFB32902MSA1A536
902.5
fo±12.5
LFB32906MSA1A539
906
fo±19
LFB32947MSA1A537
947
fo±12.5
LFB32991MSA1-762
991.15
fo±12.5
LFB321G44SA1A538
1441.0
fo±12.0
LFB321G61SA1A555
1619
fo±12.0
Insertion Loss in BW (dB)
3.5 max. (at 25°C) 3 max. (at 25°C) 3.5 max. (at 25°C) 4.8 max. (at 25°C) 3.2 max. (at 25°C) 3 max. (at 25°C) 3.5 max. (at 25°C) 3 max. (at 25°C) 3 max. (at 25°C) 3 max. (at 25°C) 2.8 max. (at 25°C)
Attenuation (Absolute Value) I) (dB)
20 min. at 612~650MHz 19.5 min. at fo±77.5MHz
20 min. at fo-90.0MHz 11.0 min. at 824~837MHz
20 min. at fo±77.5MHz 15 min. at 802~827MHz 20 min. at fo-90.0MHz 9 min. at D.C.~835MHz 20 min. at 869~894MHz 25 min. at 1607~1631MHz 20 min. at 1477~1501MHz
Attenuation (Absolute Value) II) (dB)
20 min. at 832~870MHz -
18 min. at fo+90.0MHz 5 min. at 846~849MHz
15 min. at 978~1003MHz
18 min. at fo+90.0MHz 6 min. at 1000~1394MHz 20 min. at 1088.3~1113.3MHz
16 min. at 1429~1453MHz
7
0.7±0.2 2.5±0.2 Attenuation (dB) Return Loss (dB)
Filters for Communication Equipment
!Note • This PDF catalog is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering. • This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
06.5.15
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