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SAW Components
Data Sheet B7639
SAW Components Low-Loss Filter for Mobile Communication Data Sheet
B7639 836,5 / 881,5 MHz
Chip Sized SAW Package QCS9L
Features
s Low-loss duplexer for cellular band mobile tele-
0,65
5 6 7
0,5
0,6
bottom view
8
phone systems
0,4
s fully matched by integrated matching network s Package for Surface Mounted Technology
4
9
(SMT)
s Small size and low height s Balanced Rx port, single ended Tx port s Impedance transformation from 50 Ω to 100 Ω
1,1
1,25
0,5
side view top view
3
2
1
in Rx path
3,0
2,5
Pin configuration 3 1,8 6 2, 4, 5, 7, 9 se. TX Input bal. RX Output Antenna Ground
Dimensions in mm, approx.
B7639 Datasheet
