SF455A Datasheet, PDF (1/6 Pages) List of Unclassifed Manufacturers – 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
23
Terminating source impedance (ZS): 50
Terminating load impedance (ZL): 50
2． Specifications
dBm
°C
Ω
Ω
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
*) Temperature Range: -10 … +60C°
Minimum
452.5
30
35
40
30
30
30
-30
3. Matching Network
CDMA 450 Low Loss TX Filter
System Designator A/B
Function
TX
Part Number:SF455A
Typical
454.99
2.0
1.2:1
32
45
45
34
37
37
-30
Maximum
457.48
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.
SF455A
2005-2-14
PR6.0
Page 1/6
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