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RF1404D 433.92 MHz SAW Filter
* * * *
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)10 Pb
The RF1404D is a low-loss, compact, and economical surface-acoustic-wave (SAW) filter designed to provide 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 wireless 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 advanced SAW design and fabrication technology is utilized to achieve high performance and very low loss with simple external impedance matching.
SM3838-8 Case 3.8 x 3.8
Electrical Characteristics
Characteristic Center Frequency at 25C 3 dB Bandwidth Rejection Attenuation: (relative to ILmin) 10 - 414 MHz 414 - 424 MHz 424 - 431 MHz 431 - 432 MHz 432 - 433 MHz 434.92 - 442 MHz 442 - 550 MHz 550 - 1000 MHz Temperature Frequency Aging Impedance @ fc Freq. Temp. Coefficient Absolute Value during the First Year Input ZIN = RINllCIN Output ZOUT = ROUTllCOUT Lid Symbolization (Y=year WW=week S=shift) Standard Reel Quantity Reel Size 7 Inch Reel Size 13 Inch 9 FTC |fA| ZIN ZOUT 5 1 1, 3 Absolute Frequency Sym fc ILMIN BW3 Notes 1, 2, 3 1, 3 1, 3 500 50 45 30 18 12 11 35 50 Minimum Typical 433.92 1.6 600 55 50 34 22 17 14 38 55 0.032 10 2853 // 1.66pf 2411 // 1.73pf 539 // YWWS 500 Pieces/Reel 3000 Pieces/Reel ppm/C2 ppm/yr dB 2.5 800 Maximum Units MHz dB kHz
Insertion Loss (433.760 - 434.080)
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
1. Notes: 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 bandwidth and passband shape are dependent on the impedance matching component values and quality. The frequency fc is defined as the midpoint between the 3dB frequencies. Where noted specifications apply over the entire specified operating temperature range of -40C to +90C. 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]. Frequency aging is the change in fc with time and is specified at +65C or less. Aging may exceed the specification for prolonged temperatures above +65C. Typically, aging is greatest the first year after manufacture, decreasing significantly in subsequent years. The design, manufacturing process, and specifications of this device are subject to change. One or more of the following U.S. Patents apply: 4,54,488, 4,616,197, and others pending. All equipment designs utilizing this product must be approved by the appropriate government agency prior to manufacture or sale. Tape and Reel Standard Per ANSI / EIA 481. This product complies with Directive 2002/95/EC of the European Parlament and of the Council of 27 January 2003 on the restriction of the use of certain hazadous substances in electrical and electronic equipment.
E-mail: info@rfm.com http://www.rfm.com RF1404D-113004 Page 1 of 5
2. 3. 4. 5. 6. 7. 8. 9. 10.
RF Monolithics, Inc. Phone: (972) 233-2903 Fax: (972) 387-8148 RFM Europe Phone: 44 1963 251383 Fax: 44 1963 251510 (c)1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
433.92 MHz
Absolute Maximum Ratings
Rating Input Power Level DC Voltage Storage Temperature Operable Temperature Range Soldering Temperature
SAW Filter
Value 10 12 -40 to +125 -40 to +125 (10 seconds / 5 cycles max.) 260
Units dBm VDC C C C
Electrical Connections Pin 1 2 3 4 5 6 7 8 Connection Input Input Ground Ground Case Ground Output Output Ground Ground Case Ground
4 D 4 F A 1 2 3 7 6 5 B 8 C E 8 H7 6 5
1 2 3 G
Matching Circuit to 50
56 nH
Case Dimensions
Input
7 6
56 nH Output
1 8 4 2 3
Dimension A B C D E F G H
5
Min 3.6 3.6 1.00 0.95 0.90 0.50 2.39 1.40
mm Nom 3.8 3.8 1.20 1.10 1.0 0.6 2.54 1.75
Max 4.0 4.0 1.40 1.25 1.10 0.70 2.69 2.05
Min 0.14 0.14 0.04 0.037 0.035 0.020 0.090 0.055
Inches Nom 0.15 0.15 0.05 0.043 0.04 0.024 0.100 0.069
Max 0.16 0.16 0.055 0.05 0.043 0.028 0.110 0.080
RF Monolithics, Inc. Phone: (972) 233-2903 Fax: (972) 387-8148 RFM Europe Phone: 44 1963 251383 Fax: 44 1963 251510 (c)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 RF1404D-113004
Page 2 of 5
433.92 MHz
RF1404D Inductor only match
SAW Filter
13 Sep 2004 16:34:53
CH1 S11 1 : 54 . 117 433 . 920 000 1 U FS -1 . 7891 MHz 205 . 01 pF CH3 S22 1 : 52 . 682 433 . 920 000 1 U FS -10 . 119 MHz 36 . 247 pF
1 PRm 1
Cor
Cor
CENTR CH2
433 . 920 S21
MHz
SPAN 1 dB/
2 . 000
MHz
CENTR
433 . 920 1 : 0 . 0000
MHz dB
SPAN 0 . 000
2 . 000 000
MHz
LOG
REF 0 dB
MHz
1 CH2 Max Cor 2 cent BW : : Markers REF=1 MHz MHz
. 612041
433 . 852345
Q: 708 . 86 PRm 3 4 1_ loss : -1 . 6656 dB
CENTER
433 . 920
000
MHz
SPAN
2 . 000
000
MHz
RF Monolithics, Inc. Phone: (972) 233-2903 Fax: (972) 387-8148 RFM Europe Phone: 44 1963 251383 Fax: 44 1963 251510 (c)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 RF1404D-113004
Page 3 of 5
433.92 MHz
RF1404D Inductor only match
SAW Filter
13 Sep 2004 16:41:28
CH2 S21 LOG 10 dB/ REF 0 dB 1 : -1 . 7186 dB 433 . 920 000 MHz
1
PRm
Cor
CENTER
433 . 920
000
MHz
SPAN
100 . 000
000
MHz
RF Monolithics, Inc. Phone: (972) 233-2903 Fax: (972) 387-8148 RFM Europe Phone: 44 1963 251383 Fax: 44 1963 251510 (c)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 RF1404D-113004
Page 4 of 5
433.92 MHz
RF1404D Inductor only match
SAW Filter
RF Monolithics, Inc. Phone: (972) 233-2903 Fax: (972) 387-8148 RFM Europe Phone: 44 1963 251383 Fax: 44 1963 251510 (c)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 RF1404D-113004
Page 5 of 5

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