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MF1049-2
FOR WIRELESS LOCAL LOOP, Tx
MF1049-2 FEATURES MF1049-2 TYPICAL CHARACTERISTICS
Insertion Loss vs. Frequency
CH1 S21 log MAG 1 dB / REF 0 dB
DESCRIPTION
This SAW filter for the transmitting RF circuit of wireless local loop communication equipment operating at 440 MHz ~ 450 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. 6. Designed for reflow solderings.
Input VSWR vs. Frequency
CH1 S11 SWR 500 m / REF 1
[dB] 0 -1 -2 -3 -4 -5 2.0 1.0 3.0
APPLICATION
* Cordless telephone * Portable cellular telephone * Wireless equipment
Rating
MAXIMUM RATINGS
CENTER 445.000 000 MHz SPAN 100.000 000 MHz CENTER 445.000 000 MHz SPAN 100.000 000 MHz
Value 50 -20 to 75 -30 to 85
Unit mW C C
[dB] 0 -10 -20 -30 -40 -50
Attenuation vs. Frequency
CH2 S21 log MAG 10 dB / REF 0 dB
Output VSWR vs. Frequency
CH1 S22 SWR 500 m / REF 1
Input Power Operating Temperature Range Storage Temperature Range
3.0 2.0 1.0
ELECTRICAL PERFORMANCE
Parameter PASSBAND FREQUENCY PASSBAND CHARACTERISTICS Insertion Loss Ripple VSWR STOPBAND ATTENUATION 0 - 400 MHz 485 - 640 MHz 640 - 900 MHz 900 - 1350 MHz 40 35 30 20 MF1049-2 Min Typ Max 440 - 450 2.4 0.4 1.6 48 45 40 30 3.5 1.5 2.5 Units MHz dB dBp-p
PACKAGE OUTLINE DIMENSIONS
9.1
START .300 000 MHz STOP 2 000.000 000 MHz
CENTER
445.000 000 MHz
SPAN
100.000 000 MHz
dB dB dB dB
1.5
4.8
7.1 INDEX 10-0.8
2.54
54
3
21 5 : IN (50) 10 : OUT (50) Other : GND Unit : mm
2.54
2.54
DIMENSIONS ARE IN MILLIMETERS 0.2 UNLESS OTHERWISE SPECIFIED
- 40 -
2.8
6
7
8
9
10
- 41 -

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