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China Electronics Technology Group Corporation No.26 Research Institute
CDMA 450 Low Loss TX Filter
System Designator Function A/B TX
www.sipatsaw.com
SIPAT Co., Ltd.
Part Number:SF455A
1． Test conditions
RF power Room Temperature Terminating source impedance (ZS): Terminating load impedance (ZL):
0 23 50 50
dBm °C
Ω Ω
2． Specifications
Minimum
Centre frequency Pass Band Insertion Loss in Pass Band VSWR in Pass Band Absolute Rejection 0.3 MHz – 442.5MHz RX Rejection 462.5 MHz – 467.48 MHz 462.5 MHz – 467.48 MHz *) Rejection 900 MHz Cellular 467.48 MHz – 1565 MHz Rejection GPS Band 1565 MHz – 1585 MHz Rejection PCS DCS UMTS 1585 MHz – 1800 MHz Operating temperature range Temperature coefficient of frequency Input Power 30 -30 -30 27
-10 … +60C°
Typical
454.
SF455A Datasheet
