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| (R) RF1417D 315.0 MHz SAW Filter * * * * Ideal Front-End Filter for Domestic Wireless Receivers Low-Loss, Coupled-Resonator Quartz Design Simple External Impedance Matching Complies with Directive 2002/95/EC (RoHS) Pb The RF1417D is a low-loss, compact, and economical surface-acoustic-wave (SAW) filter designed to provide front-end selectivity in 315.0 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 (especially for automotive keyless entry) operating in the USA under FCC Part 15, in Canada under RSS-210, and in Italy 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. Electrical Characteristics Characteristic Center Frequency at 25C Insertion Loss 3 dB Bandwidth Rejection Attenuation: (relative to ILmin) 10 - 295 MHz 295 - 305 MHz 305 - 310 MHz 310 - 313 MHz 313 - 314 MHz 316 - 320 MHz 320 - 325 MHz 325 - 335 MHz 335 - 600 MHz 600 - 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 FTC lfAl ZIN ZOUT 5 1 1, 3 Absolute Frequency Sym fc ILMIN BW3 Notes 1, 2, 3 1, 3 1, 3 500 46 41 27 17 7 20 15 43 55 55 Minimum 314.85 Typical 315.00 1.6 600 51 46 30 20 10 24 18 48 60 60 SM3838-8 Case 3.8 x 3.8 Maximum 315.15 2.5 800 Units MHz dB kHz dB ppm/ 0.032 10 4930//2.09pf 4930//2.09pf 550 // YWWS 500 Pieces/Reel 3000 Pieces/Reel C2 ppm/yr 9 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 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 -40C to +90C. 4. The turnover temperature, TO, is the temperature of maximum (or turnover) frequency, fo. The nominal frequency at any case temperature, Tc, may 5. 6. 7. 8. 9. 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. E-mail: info@rfm.com http://www.rfm.com RF1417D-120805 Page 1 of 2 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. 315.0 MHz Absolute Maximum Ratings Rating Input Power Level DC Voltage Storage Temperature Operable Temperature Range Soldering Temperature (10 seconds / 5 cycles max.) SAW Filter Value 10 12 -40 to +125 -40 to +125 260 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 68nH 18nH 7 6 8 4 1 2 3 Input Case Dimensions Dimension A B C D E F G H mm Nom 3.8 3.8 1.20 1.10 1.0 0.6 2.54 1.75 Inches Nom 0.15 0.15 0.05 0.043 0.04 0.024 0.100 0.069 6.8pF 18nH Output 68nH 5 6.8pF Optional Electrical Connections Pin 1 2 3 4 5 6 7 8 Connection Input Ground Input Ground Case Ground Output Ground Output Ground Case Ground Output Min 3.6 3.6 1.00 0.95 0.90 0.50 2.39 1.40 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 Max 0.16 0.16 0.055 0.05 0.043 0.028 0.110 0.080 Matching Circuit to 50 18nH 6.8pF 68nH 7 6 5 8 4 1 2 68nH 18nH Input 6.8pF 3 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 RF1417D-120805 Page 2 of 2 |
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