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PDF RF1336C Data sheet ( Hoja de datos )
| Número de pieza | RF1336C | |
| Descripción | SAW Filter | |
| Fabricantes | RMF | |
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RF1336C
• 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 RF1336C is a low-loss, compact, and economical surface-acoustic-wave (SAW) filter
designed to provide front-end selectivity in 868.35 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 30 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.
868.35 MHz
SAW Filter
SM5050-8 Case
5x5
Electrical Characteristics
Characteristic
Center Frequency @ 25°C
Insertion Loss
3 dB Bandwidth
Rejection
Temperature
Absolute Frequency
Tolerance from 868.35 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
External Impedance
Absolute Value during the First Year
Input Series Inductance
Input Shunt Inductance
Output Series Inductance
Output Shunt Inductance
Standard Reel Quantity
Reel Size 7 inch
Reel Size 13 inch
Lid Symbolization (Y=year, WW=week, S=shift)
Sym
fC
∆fC
IL
BW3
TC
TO
fO
FTC
|fA|
L1
L2
L3
C1
Notes
1, 2
1
1, 2
1
3, 4
5
1
Minimum
Typical
868.35
5.0
500 600
30 40
15 30
80
-40
15 25
fc
0.032
<±10
3.3
15
10
5.1
500 Pieces/Reel
3000 Pieces/Reel
419//YWWS
Maximum
±125
8.5
800
Units
MHz
kHz
dB
kHz
dB
+85 °C
40 °C
MHz
ppm/°C2
ppm/yr
nH
nH
nH
pF
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.
www.RFM.com E-mail: [email protected]
©2008 by RF Monolithics, Inc.
Page 1 of 4
RF1336C - 3/21/08
Free Datasheet http://www.datasheetlist.com/
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