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Preliminary
SF1212D
? CDMA 450 F-Band RF SAW Filter
? 3.8 x 3.8 x 1.4 mm Surface-mount Package
? Complies with Directive 2002/95/EC (RoHS)
Absolute Maximum Ratings
Rating
Maximum Incident Power in Passband
Maximum DC Voltage between any Two Terminals
Storage Temperature Range
Pb
Value
+28
30
-40 to +85
Units
dBm
VDC
°C
452.5 MHz
SAW Filter
Suitable for Lead-free Soldering - Maximum Soldering Profile
260°C for 30 s
SM3838-6
Electrical Characteristics
Characteristic
Sym
Notes
Min
Typ
Max
Units
Nominal 1 dB Center Frequency
f C
452.5
MHz
Passband Insertion Loss
450.0 to 454.8 MHz
IL
1
1.8
2.8
dB
VSWR
450.0 to 454.8 MHz
1.4:1
2:1
Rejection
0.3 to 440.0 MHz
25
28
460.0 to 465.0 MHz
465.0 to 1700 MHz
1700 - 2000 MHz
1, 2, 3
30
25
20
49
28
30
dB
Operating Temperature Range
T A
1
-30
+85
°C
Impedance at f c
Source, single ended
50 ohm
Load, single ended
Case Style
Lid Symbolization (Y=year, WW=week, S=shift) dot=pin 1 indicator
50 ohm
SM3838-6 3.8 x 3.8 mm Nominal Footprint
641, YWWS
Standard Reel Quantity
Electrical Connections
Connection
Port 1
Port 2
Case Ground
Reel Size 7 Inch
Reel Size 13 Inch
Terminals
2
5
All others
1000 Pieces/Reel
3000 Pieces/Reel
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
1.
Unless noted otherwise, all specifications apply over the operating temper-
and "ENG" or "E" indicates "engineering prototypes."
2.
3.
4.
ature range with filter soldered to the specified demonstration board with
impedance matching to 50 ? and measured with 50 ? network analyzer.
Unless noted otherwise, all frequency specifications are referenced to the
nominal center frequency, fc.
Rejection is measured as attenuation below the minimum IL point in the
passband. Rejection in final user application is dependent on PCB layout
and external impedance matching design. See Application Note No. 42
for details.
"LRIP" or "L" after the part number indicates "low rate initial production"
5.
6.
7.
8.
The design, manufacturing process, and specifications of this filter are
subject to change.
Either Port 1 or Port 2 may be used for either input or output in the design.
However, impedances and impedance matching may vary between Port 1
and Port 2, so that the filter must always be installed in one direction per
the circuit design.
US and international patents may apply.
RFM, stylized RFM logo, and RF Monolithics, Inc. are registered
trademarks of RF Monolithics, Inc.
www.RFM.com E-mail: info@rfm.com
?2008 by RF Monolithics, Inc.
Page 1 of 5
SF1212D - 12/12/08
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相关代理商/技术参数
SF1213D 功能描述:信号调节 462.5 MHz BW=4.8MHz RoHS:否 制造商:EPCOS 产品:Duplexers 频率:782 MHz, 751 MHz 频率范围: 电压额定值: 带宽: 阻抗:50 Ohms 端接类型:SMD/SMT 封装 / 箱体:2.5 mm x 2 mm 工作温度范围:- 30 C to + 85 C 封装:Reel
SF1214D 功能描述:信号调节 413.76 MHz BW=4.3MHz RoHS:否 制造商:EPCOS 产品:Duplexers 频率:782 MHz, 751 MHz 频率范围: 电压额定值: 带宽: 阻抗:50 Ohms 端接类型:SMD/SMT 封装 / 箱体:2.5 mm x 2 mm 工作温度范围:- 30 C to + 85 C 封装:Reel
SF1215D 功能描述:信号调节 423.76 MHz BW=4.3MHz RoHS:否 制造商:EPCOS 产品:Duplexers 频率:782 MHz, 751 MHz 频率范围: 电压额定值: 带宽: 阻抗:50 Ohms 端接类型:SMD/SMT 封装 / 箱体:2.5 mm x 2 mm 工作温度范围:- 30 C to + 85 C 封装:Reel
SF1216BA02526S 制造商:SPECTRUM 制造商全称:Spectrum Microwave, Inc. 功能描述:1216 MHz SAW Filter 8 MHz Bandwidth
SF1216D 功能描述:信号调节 481.25 MHz BW=4.5MHz RoHS:否 制造商:EPCOS 产品:Duplexers 频率:782 MHz, 751 MHz 频率范围: 电压额定值: 带宽: 阻抗:50 Ohms 端接类型:SMD/SMT 封装 / 箱体:2.5 mm x 2 mm 工作温度范围:- 30 C to + 85 C 封装:Reel
SF1217D 功能描述:信号调节 491.25 MHz BW=4.5MHz RoHS:否 制造商:EPCOS 产品:Duplexers 频率:782 MHz, 751 MHz 频率范围: 电压额定值: 带宽: 阻抗:50 Ohms 端接类型:SMD/SMT 封装 / 箱体:2.5 mm x 2 mm 工作温度范围:- 30 C to + 85 C 封装:Reel
SF1218D 制造商:RFM 功能描述:453.5 MHZ SAW FILTER - Tape and Reel 制造商:RF Monolithics (RFM) 功能描述:SF Series 3.8 x 3.8 mm 453.5 MHz 1.7 dB Loss Surface Mount SAW RF Filter
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