FREQUENCY (MHz)
FUJITSU MEDIA DEVICES
ELECTRICAL CHARACTERISTICS
FREQUENCY CHARACTERISTICS
PACKAGE DIMENSION
TERMINATIONS
MEASUREMENT CIRCUIT
SYSTEM ............................................................ KPCS Rx FILTER
SRF1855NBC31
CARRIER FREQUENCY .............................. 1840
~
1870 MHz
Ta = -30
~
+85oCUnit : mm
No.
#1. GROUND
#2. INPUT/OUTPUT
#3. GROUND
#4. GROUND
#5. OUTPUT/INPUT
#6. GROUND
*Typical values are specified at 25oC
*
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
2.5
2.0
0.30
R0.15
R0.12
1.00
0.50
0.25
1.20
0.40
#3 #4
#2
#1
1.25
0.10 0.80
#5
#6
50Ω
50Ω
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
-
-
Max.
3.2
1.7
-
-
-
-
2.9
-
Typ.*
2.3
0.5
27
32
35
30
2.1
50
Unit
dB
dB
dB
dB
dB
dB
-
Ω
Nominal impedance
1655.0 1755.0 1855.0 1955.0 2055.0
(10dB/div)