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| 型号： | RF3414E |
| 厂商： | RFM |
| 文件页数： | 1/2页 |
| 文件大小： | 0K |
| 描述： | SAW FILTER 372.5MHZ SM3030-6 |
| 标准包装： | 500 |
| 频率： | 372.5MHz 中心 |
| 带宽： | 400kHz |
| 滤波器类型： | 带通 |
| 插入损耗： | 2.4dB |
| 应用： | 远程控制 |
| 封装/外壳： | 6-SMD，无引线 |
| 安装类型： | 表面贴装 |
| 包装： | 带卷 (TR) |
| 高度（最大）： | 0.054"（1.38mm） |
| 尺寸/尺寸： | 0.118" L x 0.118" W（3.00mm x 3.00mm） |
RF3414E
?
Ideal Front-End Filter for European Wireless Receivers
?
?
Low-Loss, Coupled-Resonator Quartz Design
Simple External Impedance Matching
372.5 MHz
?
Complies with Directive 2002/95/EC (RoHS)
Pb
SAW Filter
The RF3414E is a low-loss, compact, and economical surface-acoustic-wave (SAW) filter designed to provide
front-end selectivity in 372.5 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, in Germany under FTZ 17 TR
2100, in the United Kingdom under DTI MPT 1340 (for automotive only), in France under PTT Specifications
ST/PAA/TPA/AGH/1542, and in Scandinavia.
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 (not included).
SM3030-6 Case
3.0 x 3.0
Electrical Characteristics
Characteristic
Sym
Notes
Minimum
Typical
Maximum
Units
Center Frequency @ 25°C
Insertion Loss
3 dB Bandwidth
Absolute Frequency
f C
IL
BW 3
1, 2, 3
1
1, 3
372.420
300
372.5
2.4
400
372.580
3.0
500
MHz
dB
kHz
Rejection
0 - 354 MHz
354 - 364 MHz
364 - 369 MHz
40
35
25
43
38
28
369 - 370 MHz
374 - 378 MHz
378 - 380 MHz
380 - 382 MHz
382 - 389 MHz
389 - 1000 MHz
1, 3, 10,
11
14
25
15
20
25
40
17
28
18
23
28
43
dB
Temperature
Frequency Aging
Impedance @ f C
Freq. Temp. Coefficient
Absolute Value during the First Year
Input Z IN = R IN /C IN
Output Z OUT = R OUT /C OUT
FTC
|fA|
Z IN
Z OUT
3, 4
5
1
0.032
<±10
887 ? // 4.7pF
908 ? // 4.0pF
ppm/°C 2
ppm/yr
Lid Symbolization (in addition to Lot and/or Date Codes)
720 // YWWS
Standard Reel Quantity 7 Inch Reel
Standard Reel Quantity 13 Inch Reel
9
500 Pieces/Reel
3000 Pieces/Reel
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
1.
2.
3.
4.
5.
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 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 of -40 to 90°C.
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.
6. The design, manufacturing process, and specifications of this device are subject to change without notice.
7. One or more of the following U.S. Patents apply: 4,54,488, 4,616,197, and others pending.
8. All equipment designs utilizing this product must be approved by the appropriate government agency prior to manufacture or sale.
9. Tape and Reel Standard for ANSI / EIA 481.
10. These values are attainable by using the optional pin out.
11. Typical rejection is defined as the typical rejection at the worst frequency in the band.
www.RFM.com E-mail: info@rfm.com
?2008 by RF Monolithics, Inc.
Page 1 of 2
RF3414E - 3/21/08
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