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PDF RF1171D Data sheet ( Hoja de datos )
| Número de pieza | RF1171D | |
| Descripción | SAW Filter | |
| Fabricantes | RMF | |
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RF1171D
• Ideal Front-End Filter for Wireless Receiver in the US and UK
• Low-Loss, Coupled-Resonator Quartz Design
• Surface-Mount Ceramic Case with 50 mm2 Footprint
• Simple External Impedance Matching
• Complies with Directive 2002/95/EC (RoHS)
Pb
418.0 MHz
SAW Filter
The RF1171D is a low-loss, compact, and economical surface-acoustic-wave (SAW) filter de-
signed to provide front-end selectivity in 418.0 MHz receivers. Receiver designs using this filter
include superhet with 10.7 MHz or 500 kHz IF, direct conversion and superregen. Typical appli-
cations of these receivers are wireless remote-control and security devices operating in the USA
under FCC Part 15.
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 perfor-
mance and very low loss with simple external impedance matching.
SM3838-8 Case
3.8 x 3.8
Electrical Characteristics
Characteristic
Sym Notes Minimum Typical Maximum Units
Center Frequency @ 25°C
Minimum I.L. (314.82~315.22 MHz)
Passband (relative to ILmin)
417.83 - 418.25
417.78 - 418.30
Pass bandwidth (relative to ILmin)
Attenuation: (relative to ILmin)
10.00 - 400.00 MHz
400.00 - 413.00 MHz
413.00 - 417.00 MHz
419.00 - 426.00 MHz
426.00 - 435.00 MHz
435.00 - 1000 MHz
Impedance at FC ; Input
ZIN=RIN//CIN
Impedance at FC ; Output
ZOUT=ROUT//COUT
Frequency Aging
Absolute Value during the First Year
Lid Symbolization (in addition to Lot and/or Date Codes)
Standard Reel Quantity
Reel Size 7 Inch
Reel Size 13 Inch
FC
ILmin
BW3
|fA|
1, 2, 3
1, 3
1, 3
1, 3
1, 3
1
5
9
418.0
1.6 2.5
1.0
1.5
500 620 800
50 60
30 35
13 15
10 11
35 38
50 56
3.64 kΩ // 1.75 pF
2.22 kΩ // 1.75 pF
≤10
540 YWWS
500 Pieces/Reel
3000 Pieces/Reel
MHz
dB
dB
kHz
dB
Ω//pF
Ω//pF
ppm/yr
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
1. Unless noted otherwise, all measurements are made with the filter installed in the specified test fixture which is connected to a 50 Ω test system with
VSWR ≤ 1.2:1. The test fixture L and C are adjusted for minimum insertion loss at the filter center frequency, fc. Note that insertion loss, bandwidth,
and passband shape are dependent on the impedance matching component values and quality.
2. The frequency fc is defined as the midpoint between the 3dB frequencies.
3. Unless noted otherwise, specifications apply over the entire specified operating temperature range. (-40 to +90°C)
4. The turnover temperature, TO, is the temperature of maximum (or turnover) frequency, fo. The nominal frequency at any case temperature, Tc, may
be calculated from: f = fo [1 - FTC (To - Tc)2].
5. 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 Per ANSI / EIA 481.
www.RFM.com E-mail: [email protected]
©2008 by RF Monolithics, Inc.
Page 1 of 2
RF1171D - 3/21/08
Free Datasheet http://www.datasheetlist.com/
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