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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. SRMF1988ANC32B 2002-04-01
Lower CH Ta = -30 ～ +85℃
Maximum insertion
loss in pass band
869～894 － 2.8
3.5
dB
Pass band flatness 869～894 － 1.0 2.0 dB
DC～800 40
48 － dB
824～849 35
40 － dB
978～1006 40
53 － dB
Out of band
rejection
(Absolute value)
1088～1119 30
48 － dB
Pass band VSWR 869～894 － 1.8 2.3 －
Nominal impedance － 50
－ Ω
Upper CH
Maximum insertion
loss in pass band
1930～1990 － 3.1
5.5
dB
Pass band flatness 1930～1990 － 1.2 3.5 dB
DC～1500 28 36 － dB
1500～1800 25 31 － dB
1850～1910 12 18 － dB
2040～2100 18 22 － dB
2100～3000 20 25 － dB
3600 ~6000 10 22 － dB
Pass band VSWR 1930～1990 － 2.2 3.0 －
Nominal impedance － 50
－ Ω
*Typical values are specified at 25℃
Items Conditions [MHz] Min. Typ.* Max. Unit
Items Conditions [MHz] Min. Typ.* Max. Unit
ELECTRICAL CHARACTERISTICS PACKAGE DIMENSION
MEASUREMENT CIRCUIT
FUJITSU MEDIA DEVICES
SRMF1988ANC32B
○SYSTEM………………Dual Rx FILTER for AMPS/CDMA+PCS
○CARRIER FREQUENCY……………869 …894/1930 …1990 MHz
50Ω
50Ω
TERMINATIONS
#1. Upper CH INPUT
#2. GROUND
#3. Lower CH INPUT
#4. GROUND
#5. Lower CH OUTPUT
#6. GROUND
#7. Upper CH OUTPUT
#8.GROUND
Out of band
rejection
(Absolute value)
3.0
R 0.15
R 0.15
Unit：mm
3.0
0.70
0.25
0.50
1.00
0.60
0.10
#
3
#
1
#
2
#
5
#
7
#
6
1.90
#
8
#
4
1.10 0.75
P1.27x2=2.54±0.1
FUJITSU MEDIA DEVICES LTD.
(Ta = 25℃ unless otherwise noted)
Items Electrodes Ratings Notes
DC voltage Between any
two electrodes 0 V
Input power Between input
and ground 13 dBm
Operating temp. -30 ～ +85 ℃
Storage temp. -40 ～ +85 ℃
ABSOLUTE MAXIMUM RATINGS (Ta=25℃
℃℃
℃)
FREQUENCY CHARACTERISTICS
Lower CH
Upper CH
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10
781. 5 801.5 821.5 841.5 861.5 881.5 901.5 921.5 941.5 961. 5 981. 5
Frequency ( MHz )
Transfer Function
(
dB
)
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10
0 600 1200 1800 2400 3000 3600 4200 4800 5400 6000
Frequency (MHz)
Transfer Function
(
dB
)
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10
1710 1760 1810 1860 1910 1960 2010 2060 2110 2160 2210
Frequency ( MHz )
Transfer Function
(
dB
)
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10
0 600 1200 1800 2400 3000 3600 4200 4800 5400 6000
Frequency ( MHz )
Transfer Function
(
dB
)
