Document
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 min. at 2xfo MHz 15 min. at 2xfo MHz 20 min. at 1646~1680MHz
Filters for Communication Equipment 0.7±0.2 2.5±0.2 Attenuation (dB)
o LFB32_SC Series (1210)
3.2±0.2
1.5±0.15
(1) (2) (3)
7 (8) (4)
(7) (6) (5) 0.4±0.2
1.0±0.2
0.1 min.
0.45±0.15
0.55±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
10 20 30 40 50 60 70 80
50 300 550 Frequency (MHz)
Part Number
Nominal Center Bandwidth (BW)
Frequency (fo)
(MHz)
(MHz)
LFB32284MSC1-596
284
fo±4
LFB32312MSC1-597
312.25
fo±1.0
LFB32315MSC1-604
315
fo±0.5
LFB32315MSC1-619
315
fo±0
LFB32426MSC1-603
426.5
fo±0.5
LFB32820MSC2-749
820
fo±10.0
LFB32847MSC2-766
847.5
fo±37.5
Insertion Loss in BW (dB)
3.8 max. (at 25°C)
3.5 max. (at 25°C)
3.5 max. (at 25°C)
3.5 max. (at 25°C)
3.6 max. (at 25°C)
1.3 max. (at 25°C)
1.5 max. (at 25°C)
Attenuation (Absolute Value) I) (dB)
31 min. at 220~228MHz 26 min. at 249.8MHz 45 min. at 180MHz 30 min. at 235MHz 25 min. at 366.5MHz
22 min. at 1070~1090MHz 16 min. at 550~625MHz
Attenuation (Absolute Value) II) (dB)
23 min. at 340~348MHz 26 min. at 374.7MHz 29 min. at 470MHz 30 min. at 395MHz 20 min. at 486.5MHz -
15 min. at 1070~1145MHz
!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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