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PDF RF3701E Data sheet ( Hoja de datos )
| Número de pieza | RF3701E | |
| 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 RF3701E is a low-loss, compact, and economical surface-acoustic-wave (SAW) filter
designed to provide front-end RF selectivity in 433.92 MHz receivers. Receiver designs using
this filter include superheterodyne with 10.7 MHz or lower intermediate frequencies, plus direct
conversion and superregeneratives.
RF3701E
433.92 MHz
SAW Filter
Electrical Characteristics
Characteristic
Center Frequency @ 25°C
Insertion Loss
3 dB Bandwidth
Passband Ripple, 433.72 to 434.12 MHz
Attenuation
relative to ILMIN
10 to 414 MHz
414 to 424 MHz
424 to 431 MHz
431 to 432 MHz
432 to 433 MHz
434.92 to 442 MHz
442 to 550 MHz
550 to 1000 MHz
Temperature
Freq. Temp. Coefficient
Frequency Aging
Absolute Value during the First Year
Impedance @ fC
Input ZIN = RIN || CIN
Output ZOUT = ROUT || COUT
Lid Symbolization (in addition to Lot and/or Date Codes)
Standard Reel Quantity
Reel Size 7 Inch
Reel Size 13 Inch
Sym
fC
ILMIN
BW3
Notes
1, 2, 3
1, 3
1, 2, 3
www.DataSheet.net/
1, 3
FTC
|fA|
ZIN
ZOUT
3, 4
5
1
9
Minimum
650
44
42
27
17
14
13
33
47
SM3030-8 Case
3.0 x 3.0
Typical Maximum
433.92
2.5 3.2
750 850
0.5 1.0
47
45
30
20
17
16
37
50
0.032
<10
3530 Ω || 2.42 pF
3330 Ω || 2.42 pF
940 // YWWS
500 Pieces/Reel
3000 Pieces/Reel
Units
MHz
dB
kHz
dBP-P
dB
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 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. Where noted specifications apply over the entire specified operating temperature range of -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.
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.
www.RFM.com E-mail: [email protected]
©2009-2010 by RF Monolithics, Inc.
Page 1 of 2
RF3701E - 12/14/10
Datasheet pdf - http://www.DataSheet4U.co.kr/
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