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| 型号： | RF1396C |
| 厂商： | RFM |
| 文件页数： | 1/2页 |
| 文件大小： | 0K |
| 描述： | SAW FILTER 434.42MHZ SM5050-8 |
| 标准包装： | 500 |
| 频率： | 434.42MHz 中心 |
| 带宽： | 700kHz |
| 滤波器类型： | 带通 |
| 插入损耗： | 3dB |
| 应用： | 远程控制 |
| 封装/外壳： | 8-SMD，无引线 |
| 安装类型： | 表面贴装 |
| 包装： | 带卷 (TR) |
| 高度（最大）： | 0.067"（1.70mm） |
| 尺寸/尺寸： | 0.197" L x 0.197" W（5.00mm x 5.00mm） |
RF1396C
?
Ideal Front-End Filter for European Wireless Receivers
?
?
?
Low-Loss, Coupled-Resonator Quartz Design
Simple External Impedance Matching
Complies with Directive 2002/95/EC (RoHS)
Pb
434.42 MHz
SAW Filter
The RF1396C is a low-loss, compact, and economical surface-acoustic-wave (SAW) filter
designed to provide front-end selectivity in 434.420 MHz receivers. Receiver designs using this
filter include superhet with 10.7 MHz or 500 kHz IF, direct conversion and superregen. Typical
applications of these receivers are wireless remote-control and security devices operating in
Europe under ETSI I-ETS 300 220.
This coupled-resonator filter (CRF) uses selective null placement to provide suppression, typically
greater than 40 dB, of the LO and image spurious responses of superhet receivers with 10.7 MHz
IF. RFM’s advanced SAW design and fabrication technology is utilized to achieve high
performance and very low loss with simple external impedance matching.
SM5050-8 Case
5x5
Electrical Characteristics
Characteristic
Sym
Notes
Minimum
Typical
Maximu
m
Units
Center Frequency at 25°C
Insertion Loss
Absolute Frequency
Tolerance from 434.420 MHz
f c
? f C
IL
1, 2
1
434.420
3.0
±160
5.0
MHz
kHz
dB
3 dB Bandwidth
BW 3
1, 2
500
700
800
kHz
Rejection
at f c - 21.4 MHz (Image)
40
-
at f c - 10.7 MHz (LO)
1
30
-
dB
Ultimate
-
Temperature
Operating Case Temp.
T C
-40
+85
°C
Turnover Temperature
Turnover Frequency
T O
f O
3, 4
15
25
f c
35
°C
MHz
Freq. Temp. Coefficient
FTC
0.032
ppm/°C 2
Frequency Aging
Impedance @ fc
Absolute Value during the First Year
Input Z IN = R IN //C IN
Output Z OUT = R OUT //C OUT
|fA|
Z IN
Z OUT
5
1
≤ 10
227 ? // 3.3 pF
227 ? // 3.3 pF
ppm/yr
Lid Symbolization (Y=year WW=week S=Shift)
427 YWWS
Standard Reel Quantity
Standard Reel Quantity
7 Incn Reel
13 Inch Reel
500 Pieces/Reel
3000 Pieces/Reel
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
1.
2.
3.
4.
5.
6.
7.
8.
Unless noted otherwise, all measurements are made with the filter installed in the specified test fixture which is connected to a 50 ? test system with
VSWR ≤ 1.2:1. The test fixture L and C are adjusted for minimum insertion loss at the filter center frequency, f c . Note that insertion loss and band-
width and passband shape are dependent on the impedance matching component values and quality.
The frequency f c is defined as the midpoint between the 3dB frequencies.
Where noted specifications apply over the entire specified operating temperature range.
The turnover temperature, T O , is the temperature of maximum (or turnover) frequency, f o . The nominal frequency at any case temperature, T c , may
be calculated from: f = f o [1 - FTC (T o - T c ) 2 ].
Frequency aging is the change in fc with time and is specified at +65°C or less. Aging may exceed the specification for prolonged temperatures
above +65°C. Typically, aging is greatest the first year after manufacture, decreasing significantly in subsequent years.
The design, manufacturing process, and specifications of this device are subject to change without notice.
One or more of the following U.S. Patents apply: 4,54,488, 4,616,197, and others pending.
All equipment designs utilizing this product must be approved by the appropriate government agency prior to manufacture or sale.
www.RFM.com E-mail: info@rfm.com
?2008 by RF Monolithics, Inc.
Page 1 of 2
RF1396C - 3/21/08
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