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PDF RF1411D Data sheet ( Hoja de datos )
| Número de pieza | RF1411D | |
| Descripción | SAW Filter | |
| Fabricantes | RF Monolithics | |
| Logotipo |  |
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®
• 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
The RF1411D is a low-loss, compact, and economical surface-acoustic-wave (SAW) filter designed to pro-
vide front-end selectivity in 869.2625 MHz receivers. Receiver designs using this filter include superhet 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 ad-
vanced SAW design and fabrication technology is utilized to achieve high performance and very low loss with
simple external impedance matching (not included).
RF1411D
869.2625 MHz
SAW Filter
SM3838-8 Case
3.8 x 3.8
Electrical Characteristics
Characteristic
Center Frequency @ 25°C
I.L.
PassBand (relative to ILmin)
868.9125 -869.6125
Pass Bandwidth (relative to ILmin)
Rejection (relative to ILmin)
10-700 MHz
700-842 MHz
842-864 MHz
864-866 MHz
872-879 MHz
879-909 MHz
909-1000 MHz
Temperature Coeff
Operating Temperature Range
Impedance @ fc
Input ZIN = RIN ll CIN
Output ZOUT = ROUT ll COUT
Lid Symbolization (in addition to Lot and/or Date Codes)
Standard Reel Quantity
7 Inch Reel
13 Inch Reel
Sym
fC
BW3
Notes
1, 2, 3
1, 3
1, 3
1, 3
ZIN
ZOUT
1
1
8
Minimum
Typical Maximum
869.2625
3.3
0.4
4.5
1.0
1250
50 55
35 40
25 28
15 24
8 13
15 20
40 45
0.032
-45
117Ω ll 3.7pf
117Ω ll 3.7pf
512 // YWWS
500 Pieces/Reel
3000 Pieces/Reel
+85
Units
MHz
dB
dB
kHz
dB
ppm/°C2
°C
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 and bandwidth are dependent on the imped-
ance matching component values and quality.
2. The frequency fc is defined as the midpoint between the 3dB frequencies.
3. Where noted, specifications apply over the entire specified operating temperature range of -45°C to +85°C.
4. 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. Typ-
ically, aging is greatest the first year after manufacture, decreasing significantly in subsequent years.
5. The design, manufacturing process, and specifications of this device are subject to change.
6. One or more of the following U.S. Patents apply: 4,54,488, 4,616,197, and others pending.
7. All equipment designs utilizing this product must be approved by the appropriate government agency prior to manufacture or sale.
8. Tape and reel standard per ANSI / EIA 481.
RF Monolithics, Inc. Phone: (972) 233-2903
Fax: (972) 387-8148
RFM Europe
Phone: 44 1963 251383
Fax: 44 1963 251510
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
E-mail: [email protected]
http://www.rfm.com
RF1411D-030105
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