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MF1157V-2
MF1157V-2
FOR E-GSM MOBILE TELEPHONE, Tx
START .010 000 MHz
STOP 3 000.000 000 MHz
DESCRIPTION
This SAW filter for the transmitting RF circuit
of E-GSM mobile communication equipment
operating at 880 MHz ~ 915 MHz.
FEATURES
1. SMD package insures small size, lightweight.
2. Adjustment free.
3. Low insertion loss and high stop band
attenuation.
4. Wide and sharp passband characteristics.
5. High stability and reliability.
6. Designed for reflow solderings.
APPLICATION
Mobile cellular telephone
Portable digital cellular telephone
Wireless equipment
DIMENSIONS ARE IN MILLIMETERS
±0.2 UNLESS OTHERWISE SPECIFIED
MAXIMUM RATINGS
ELECTRICAL PERFORMANCE
PACKAGE OUTLINE DIMENSIONS
Insertion Loss vs. Frequency
S21 log MAG
1 dB / REF 0 dB
[dB] 0
–
1
–
2
–
3
–
4
–
5
Input VSWR vs. Frequency
500 m / REF 1
Parameter
Units
MF1157V-2
Min
Typ
PASSBAND FREQUENCY
880
–
915
PASSBAND CHARACTERISTICS
Insertion Loss
Ripple
VSWR
STOPBAND ATTENUATION
0
–
860 MHz
935
–
960 MHz
1780
–
1830 MHz
2670
–
2745 MHz
Max
dB
dB
4.0
2.5
3.0
MHz
dB
dB
dB
dB
20
20
20
10
Unit : mm
BOTTOM VIEW
TOP VIEW
SIDE VIEW
1.2
0.75
0
1
1
0
1.5
0
0
0.75
3.0
3
IN
OUT
MF1157V-2 TYPICAL CHARACTERISTICS
Input Reflection Coefficient vs. Frequency
Output Reflection Coefficient vs. Frequency
Operating Temperature Range
Storage Temperature Range
–
20 to 70
–
30 to 85
Input Power
50
Rating
Value
°
C
°
C
mW
Unit
S11 SWR
Attenuation vs. Frequency
S21 log MAG
[dB] 0
Output VSWR vs. Frequency
S22 SWR
500 m / REF 1
Attenuation vs. Frequency
S11 1 U FS
MARKER 1 : 807.5 MHz
MARKER 2 : 880 MHz
MARKER 3 : 915 MHz
CENTER 897.500 000 MHz
SPAN 200.000 000 MHz
CENTER 897.500 000 MHz
SPAN 200.000 000 MHz
S22 1 U FS
MARKER 1 : 807.5 MHz
MARKER 2 : 880 MHz
MARKER 3 : 915 MHz
CENTER 897.500 000 MHz
SPAN 200.000 000 MHz
CENTER 897.500 000 MHz
SPAN 200.000 000 MHz
5 dB / REF 0 dB
CENTER 897.500 000 MHz
SPAN
200.000 000 MHz
CENTER 897.500 000 MHz
SPAN 200.000 000 MHz
S21 log MAG
[dB] 0
5 dB / REF 0 dB
3.0
2.0
1.0
3.0
2.0
1.0
–
10
–
20
–
30
–
40
–
10
–
20
–
30
–
40