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3.7
Antenna Switch Module (B9308)
Application
Low-loss 2in1 RF filter for mobile telephone GSM 900 and GSM 1800 systems, receive path
(Rx)
Usable passband:
Filter 1 (GSM 1800): 75 MHz
Filter 2 (GSM 900): 35 MHz
Unbalanced to balanced operation for both filters
Very low insertion attenuation
Low amplitute ripple
Impedance transformation from 50 W to 150 W for both filters
Suitable for GPRS class 1 to 12
Pin configuration
1 Input [Filter 1]
4 Input [Filter 2]
6,7 Output, balanced [Filter 2]
8,9 Output, balanced [Filter 1]
2,3,5,10 Case-ground
-34-
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