파트넘버.co.kr RF1404C 데이터시트 PDF


RF1404C 반도체 회로 부품 판매점

SAW Filter



RF Monolithics 로고
RF Monolithics
RF1404C 데이터시트, 핀배열, 회로
www.DataSheet4U.com
® RF1404C
• 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 RF1404C is a low-loss, compact, and economical surface-acoustic-wave (SAW) filter designed to pro-
vide front-end selectivity in 433.92 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.
433.92 MHz
SAW Filter
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.
Electrical Characteristics
Characteristic
Center Frequency at 25°C
Absolute Frequency
Minimum Insertion Loss 433.800 - 434.120 MHz
Passband (relative to ILmin)
Passband (relative to ILmin)
Attenuation: (relative to ILmin)
433.740 - 434.010
433.680 - 434.160
10 - 414 MHz
414 - 427.5 MHz
427.5 - 432.92 MHz
434.92 - 442 MHz
442 - 550 MHz
550 - 1000 MHz
Impedance at FC ; Input ZIN=RIN//CIN
Output ZOUT=ROUT//COUT
Turnover To
Frequency Aging Absolute Value During the First Year
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
1
1
1
1
1
1
3, 4
3, 4
SM5050-8 Case
5x5
Minimum
Typical Maximum
433.920
2.4
650 700
45 48
40 43
15 19
10 14
35 38
45 50
227// 3.3pF
227// 3.3pF
25
10 ppm/yr Typical
499 // YWWS
500 Pieces/Reel
3000 Pieces/Reel
4.0
3.0
6.0
Units
MHz
dB
dB
kHz
dB
°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 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.
http://www.rfm.com
RF1404C-082603
Page 1 of 3


RF1404C 데이터시트, 핀배열, 회로
433.92 MHz
SAW Filter
Typical Filter Response
Typical filter responses are shown below. The actual response is dependent on external impedance matching and circuit layout.
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.
http://www.rfm.com
RF1404C-082603
Page 2 of 3




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