SF453A Datasheet, PDF (1/6 Pages) SIPAT Co,Ltd – CDMA 450 Low Loss TX Filter

China Electronics Technology Group Corporation
No.26 Research Institute
SIPAT Co., Ltd.
www.sipatsaw.com
1． Test conditions
RF power
0
Room Temperature
25
Terminating source impedance (ZS): 50
Terminating load impedance (ZL): 50
2． Specifications
dBm
°C
　
　
Centre frequency
Pass Band
Insertion Loss in Pass Band
VSWR in Pass Band
Absolute Rejection
0.3 MHz – 440MHz
RX Rejection
460 MHz – 464.8 MHz
460 MHz – 464.8 MHz *)
Rejection 900 MHz Cellular
464.8 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
Maximum Power
*) Temperature Range: -10 … +60C°
3． Matching Network
Minimum
450
30
35
40
30
30
30
-30
CDMA 450 Low Loss TX Filter
System Designator C
Function
TX
Part Number: SF453A
Typical
452.4
2.0
1.2:1
32
45
45
34
37
37
-30
Maximum
454.8
2.8
1.4:1
Unit
MHz
MHz
dB
dB
dB
dB
dB
dB
dB
+85
°C
ppm/°C
27
dBm
Input
Output
50Ω
50Ω
SIPAT Co., Ltd.
( CETC No. 26 Research Institute )
Nanping Huayuan Road No. 14
Chongqing, China, 400060
Part Number
Rev. Date
Rev.
SF453A
2005-12-15
PR6.0
Page 1/6
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