RF1396C 查看數據表（PDF） - RF Monolithics, Inc
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RF1396C Datasheet PDF : 2 Pages
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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 RF1396C is a low-loss, compact, and economical surface-acoustic-wave (SAW) filter designed to pro-
vide 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 wire-
less 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 ad-
vanced SAW design and fabrication technology is utilized to achieve high performance and very low loss with
simple external impedance matching.
RF1396C
434.42 MHz
SAW Filter
SM5050-8 Case
5x5
Electrical Characteristics
Characteristic
Center Frequency at 25°C
Insertion Loss
3 dB Bandwidth
Rejection
Temperature
Absolute Frequency
Tolerance from 434.420 MHz
at fc - 21.4 MHz (Image)
at fc - 10.7 MHz (LO)
Ultimate
Operating Case Temp.
Turnover Temperature
Turnover Frequency
Freq. Temp. Coefficient
Frequency Aging
Absolute Value during the First Year
Impedance @ fc
Input ZIN = RIN//CIN
Output ZOUT = ROUT//COUT
Lid Symbolization (Y=year WW=week S=Shift)
Standard Reel Quantity
7 Incn Reel
Standard Reel Quantity
13 Inch Reel
Sym
fc
∆fC
IL
BW3
TC
TO
fO
FTC
|fA|
ZIN
ZOUT
Notes
1, 2
1
1, 2
1
3, 4
5
1
Minimum
Typical Maximum
434.420
3.0
500
700
40
-
30
-
-
-40
15
25
fc
0.032
≤10
227 Ω // 3.3 pF
227 Ω // 3.3 pF
427 YWWS
500 Pieces/Reel
3000 Pieces/Reel
±160
5.0
800
+85
35
Units
MHz
kHz
dB
kHz
dB
°C
°C
MHz
ppm/°C2
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 and band-
width 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. Where noted specifications apply over the entire specified operating temperature range.
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.
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: info@rfm.com
http://www.rfm.com
RF1396C-090503
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