Filters for Communication Equipment
7
Filters for Communication Equipment
o LFB21(0805)_CG Series
LFB21_CG Series
<Top View> <Bottom View>
(1)
(2)
(3)
(4)
(in mm)
(1)
(2)(4)
(3)
: IN
: GND
: OUT
Directional Input Mark
2.00±0.15
0.40±0.10 0.30±0.10
1.25±0.10
0.90±0.10
0.95±0.10
0.30±0.100.35±0.10
0.30±0.10
Frequency Characteristics
-70
0
-10
-20
-30
-40
-50
-60
S (dB)
1.00 1.50 2.00 2.50 3.00 3.50 4.00
Frequency (GHz)
Insertion Loss
Return Loss
Part Number
Nominal Center
Frequency (fo)
(MHz)
Bandwidth (BW)
(MHz)
Insertion Loss
in BW
(dB)
Attenuation
(Absolute Value) I)
(dB)
Attenuation
(Absolute Value) II)
(dB)
Application
LFB212G45CG1C187 2450.00 fo±50.00
0.90 max.
(at 25°C)
28 min.
at 824~960MHz
15 min.
at 1710~1910MHz
WLAN/BT
LFB212G45CG1B982 2450.00 fo±50.00
1.00 max.
(at 25°C)
28 min.
at 824~849MHz
17 min.
at 1920~1990MHz
WLAN/BT
LFB212G45CG2D013 2450.00 fo±50.00
2.50 max.
(at 25°C)
30 min.
at 824~915MHz
32 min.
at 1920~1980MHz
WLAN/BT
o LFB21(0805)_SG Series
LFB21_SG Series
2.00±0.15
0.95±0.10
(1)
(4) (2)
1.25±0.10
(3)
0.20±0.15
A
A : Directional Input Mark
All the technical data and information contained
herein are subject to change without prior notice.
(1)(3) : GND
(2) : OUT
(4) : IN
(in mm)
0.3
+0.10
-0.15
0.3
+0.1
-0.2
1.6
+0.10
-0.15
0.3
+0.1
-0.2
Frequency Characteristics
0.00
-20.00
-40.00
-60.00
-80.00
0.50 1.00 1.50 2.00 2.50 3.00
Frequency (GHz)
S (dB)
Insertion Loss
Return Loss
Part Number
Nominal Center
Frequency (fo)
(MHz)
Bandwidth (BW)
(MHz)
Insertion Loss
in BW
(dB)
Attenuation
(Absolute Value) I)
(dB)
Attenuation
(Absolute Value) II)
(dB)
Application
LFB211G90SG8B704 1906.5 fo±13.5
3.0 max.
(at 25°C)
20 min.
at 1660.5~1686.3MHz
11 min.
at 2126.8~2152.6MHz
PHS
LFB212G45SG8A127 2450 fo±50
1.5 max.
(at 25°C)
25 min.
at 1200~1300MHz
10.0 min.
at 2000MHz
WLAN/BT
LFB212G45SG8A143 2450 fo±50
2.7 max.
(at 25°C)
20 min.
at 880~1710MHz
30 min.
at 1710~1990MHz
WLAN/BT
LFB212G45SG8A166 2450 fo±50
1.4 max.
(at 25°C)
30 min.
at 824~960MHz
30 min.
at 1710~1910MHz
WLAN/BT
LFB212G45SG8A192 2450 fo±50
2.6 max.
(at 25°C)
40 min.
at 880~960MHz
38 min.
at 1710~1990MHz
WLAN/BT
LFB212G49SG8B830 2495 fo±195
2.4 max.
(at 25°C)
30 min.
at 824~960MHz
9 min.
at 1710~1990MHz
WIMAX
LFB213G60SG8B831 3600 fo±300
1.5 max.
(at 25°C)
32 min.
at 824~960MHz
24 min.
at 1710~1990MHz
WIMAX
LFB215G12SG8A178 5125 fo±225
1.5 max.
(at 25°C)
25 min.
at 4200MHz
17 min.
at 2x(fo±225)MHz
WLAN/BT
LFB215G12SG8A183 5125 fo±225
1.5 max.
(at 25°C)
9.0 min.
at 4250MHz
9.5 min.
at 5900MHz
WLAN/BT
Continued on the following page.
• 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.
!Note
10.12.17
