MF1 0 5 1 S -1
FOR DIGITAL MOBILE TELEPHONE, Tx
MF1051S-1
DESCRIPTION
FEATURES
MF1051S-1 TYPICAL CHARACTERISTICS
Insertion Loss vs. Frequency
Input VSWR vs. Frequency
This SAW filter for the transmitting RF circuit
of digital mobile communication equipment
operating at 1429 MHz ~ 1453 MHz.
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.
CH1 S21 log MAG
5 dB / REF 0 dB
CH1 S11 SWR
500 m / REF 1
[dB] 0
–1
–2
–3
–4
–5
3.0
6. Designed for reflow solderings.
2.0
1.0
APPLICATION
MAXIMUM RATINGS
CENTER
1
441.000 000 MHz
SPAN 100.000 000 MHz
CENTER
1
441.000 000 MHz
SPAN 100.000 000 MHz
• Digital mobile cellular telephone
• Portable digital cellular telephone
• Wireless equipment
Rating
Value
40
Unit
mW
°C
Attenuation vs. Frequency
Output VSWR vs. Frequency
CH2 S21 log MAG
5 dB / REF 0 dB
CH1 S22 SWR
500 m / REF 1
Input Power
[dB] 0
Operating Temperature Range –20 to 75
Storage Temperature Range –30 to 85
–10
°C
–20
3.0
2.0
1.0
–30
ELECTRICAL PERFORMANCE
PACKAGE OUTLINE DIMENSIONS
3.6
MF1051S-1
Parameter
Units
MHz
1.25
Min Typ Max
GND
GND
1.8
CENTER
1
441.000 000 MHz
SPAN 100.000 000 MHz
CENTER
1
500.000 000 MHz
SPAN 600.000 000 MHz
PASSBAND FREQUENCY
1429 – 1453
Input Reflection Coefficient vs. Frequency
CH1 S11 1 U FS
Output Reflection Coefficient vs. Frequency
CH1 S22 1 U FS
PASSBAND CHARACTERISTICS
Insertion Loss
Ripple
2.2 2.8
0.6 1.5 dBp-p
1.8 2.5
dB
IN
OUT
VSWR
STOPBAND ATTENUATION
0 – 1050 MHz
30
20
6
30
27
20
35
23
7.5
35
32
23
dB
dB
dB
dB
dB
dB
1050 – 1360 MHz
1477 – 1501 MHz
1607 – 1631 MHz
1785 – 1809 MHz
1809 – 3000 MHz
GND
GND
BOTTOM VIEW
SIDE VIEW
MARKER 1 : 1441 MHz
MARKER 1 : 1441 MHz
MARKER 2 : 1429 MHz
MARKER 3 : 1453 MHz
MARKER 2 : 1429 MHz
MARKER 3 : 1453 MHz
3.8
CENTER
1
441.000 000 MHz
SPAN 100.000 000 MHz
CENTER
1
441.000 000 MHz
SPAN 100.000 000 MHz
Attenuation vs. Frequency
OUT
IN
CH1 S21 log MAG
5 dB / REF 0 dB
[dB] 0
–10
Unit : mm
–20
TOP VIEW
–30
DIMENSIONS ARE IN MILLIMETERS
±0.2 UNLESS OTHERWISE SPECIFIED
–40
START .300 000 MHz
STOP
3 000.000 000 MHz
– 50 –
– 51 –