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| (R) RF1414D 372.500 MHz SAW Filter * * * * Ideal Front-End Filter for European Wireless Receivers Low-Loss, Coupled-Resonator Quartz Design Simple External Impedance Matching Pb Complies with Directive 2002/95/EC (RoHS) The RF1414D is a low-loss, compact, and economical surface-acoustic-wave (SAW) filter designed to provide front-end selectivity in 372.500 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. 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 - 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 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, 3 350 45 35 25 14 25 15 20 25 45 40 50 40 30 15 30 20 25 28 50 45 0.032 10 Minimum Typical 372.500 2.1 SM3838-8 Case 3.8 x 3.8 Maximum Units MHz 3.0 500 dB kHz dB ppm/C2 ppm/yr 27.8 // 2.3 pf 41 // 2.3 pf 528 // YWWS 500 Pieces/Reel 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 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. E-mail: info@rfm.com http://www.rfm.com RF1414D-120105 Page 1 of 2 2. 3. 4. 5. 6. 7. 8. 9. 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. 372.500 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 3 5 5 4 D F 3 A 1 2 7 6 H7 6 1 2 G B 8 C E 8 4 Matching Circuit to 50 Case Dimensions 51 nH 7 6 51 nH Output 1 8 4 2 3 Input 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 Optional Electrical Connections Pin 1 2 3 4 5 6 7 8 Connection Input Ground Input Input Ground Case Ground Output Ground Output Output Ground Case Ground 51 nH Output Matching Circuit to 50 7 6 5 8 4 1 51 nH 2 3 Input 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 RF1414D-120105 Page 2 of 2 |
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