FUJITSU MEDIA DEVICES
SRF1855NBC31
SYSTEM ............................................................ KPCS Rx FILTER
CARRIER F R E Q U E N C Y .............................. 1840 ~ 1870 MHz
ELECTRICAL CHARACTERISTICS
Ta = - 30 ~ +85
o
C
PACKAGE DIMENSION
Unit : mm
Items
Maximum insertion
loss in pass band
Pass band flatness
Out of band
rejection
(Absolute value)
Pass band VSWR
Conditions [MHz]
1840 ~ 1870
1840 ~ 1870
DC ~ 1600
1705 ~ 1780
2900 ~ 3200
4400 ~ 4700
1840 ~ 1870
Min.
-
-
20
25
25
15
-
-
Typ.*
2.3
0.5
27
32
35
30
2.1
50
Max.
3.2
1.7
-
-
-
-
2.9
-
Unit
2.5
dB
R0.15
R0.12
2.0
dB
dB
dB
dB
dB
-
Ω
1.00
0.10
#3
1.20
#2
#1
1.25
(10dB/div)
Nominal impedance
*Typical values are specified at 25
o
C
0.80
#4
#5
#6
0.40
FREQUENCY CHARACTERISTICS
TERMINATIONS
No.
#1. GROUND
#2. INPUT/OUTPUT
#3. GROUND
#4. GROUND
#5. OUTPUT/INPUT
#6. GROUND
1655.0
1755.0
1855.0
1955.0
2055.0
MEASUREMENT CIRCUIT
FREQUENCY (MHz)
50Ω
50Ω
*
*
The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by
Fujitsu Media Devices
for any infringements of patents or other rights of the third parties which may result from its use. No license is granted by
implication or otherwise under any patent or patent rights of
Fujitsu Media Devices
or others.
The information contained herein may be changed without prior notice. It is therefore advisable to contact
Fujitsu Media Devices
before proceeding
with the design of equipment incorporating this product.
No. SRF1855NBC31
2002-04-01
0.25
0.50
0.30
FREQUENCY CHARACTERISTICS
(10dB/div)
(10dB/div)
1655.0
1755.0
1855.0
1955.0
2055.0
0.6
1.8
3.0
4.2
5.4
FREQUENCY (MHz)
FREQUENCY (GHz)
(1dB/div)
VSWR(1/div)
1815.0
1835.0
1855.0
1875.0
1895.0
1815.0
1835.0
1855.0
1875.0
1895.0
FREQUENCY (MHz)
FREQUENCY (MHz)
ABSOLUTE MAXIMUM RATINGS (Ta=25
o
C)
(Ta = 25
o
C unless otherwise noted)
Items
Electrodes
Between any
two electrodes
Between input
and ground
Ratings
Notes
DC voltage
0V
Input power
13 dBm
Operating temp.
-30
~
+85
o
C
Storage temp.
-40
~
+85
o
C
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