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PDF RF3700D Data sheet ( Hoja de datos )
| Número de pieza | RF3700D | |
| Descripción | SAW Filter | |
| Fabricantes | RF Monolithics | |
| Logotipo |  |
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RF3700D
• 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
372.00 MHz
SAW Filter
The RF3700D is a low-loss, compact, and economical surface-acoustic-wave (SAW) filter designed to provide
front-end selectivity in 372.00 MHz receivers. Receiver designs using this filter include superheterodyne with
10.7 MHz or 500 kHz IFs, direct conversion receivers and superregenerative receives. Typical applications
for these receivers are wireless remote control and security.
This coupled-resonator filter (CRF) uses selective null placement to provide suppression, typically greater
than 40 dB, of the LO and image spurious responses in superheterodyne receivers with 10.7 MHz IFs. RFM’s
advanced SAW design and fabrication technology is utilized to achieve high performance and very low loss
with simple external impedance matching.
Electrical Characteristics
SM3838-8 Case
3.8 x 3.8
Characteristic
Center Frequency at 25 °C
Insertion Loss
3 dB Bandwidth
Rejection Attenuation: (relative to ILMIN)
Operating Temperature Range
10 - 354 MHz
354 - 364 MHz
364 - 369 MHz
369 - 370 MHz
374 - 378 MHz
378 - 380 MHz
380 - 382 MHz
382 - 389 MHz
389 - 550 MHz
550 - 1000 MHz
Frequency Temperature Coefficient
Frequency Aging, Absolute Value During the First Year
Impedance @ fC
Input ZIN = RIN ll CIN
Output ZOUT = ROUT ll COUT
Lid Symbolization (Y=year WW=week S=shift)
Sym
fC
ILMIN
BW3
Notes
1, 2, 3
1, 3
1, 3
1, 3
www.DataSheet.net/
FTC
|fA|
ZIN
ZOUT
5
1
Minimum Typical Maximum
372.00
1.8 3.0
400 500 600
52 57
37 42
10 15
15 20
25 30
9 14
24 29
28 33
43 48
61 66
-40 +90
0.032
≤10
1.8 KΩ || 1.68 pF
2.5 KΩ || 1.5 pF
916 // YWWS
Units
MHz
dB
kHz
dB
°C
ppm/°C2
ppm/yr
Standard Reel Quantity
Reel Size 7 Inch
500 Pieces/Reel
9
Reel Size 13 Inch
3000 Pieces/Reel
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 3 dB 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 Per ANSI / EIA 481.
www.RFM.com E-mail: [email protected]
©2009 by RF Monolithics, Inc.
Page 1 of 3
RF3700D(R) - 6/25/09
Datasheet pdf - http://www.DataSheet4U.co.kr/
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