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RF1391C Dataheets PDF



Part Number RF1391C
Manufacturers RMF
Logo RMF
Description SAW Filter
Datasheet RF1391C DatasheetRF1391C Datasheet (PDF)

RF1391C • • • • Ideal Front-End Filter for Wireless Receivers Low-Loss, Coupled-Resonator Quartz Design Simple External Impedance Matching Complies with Directive 2002/95/EC (RoHS) Pb 433.42 MHz SAW Filter The RF1391C is a low-loss, compact, and economical surface-acoustic-wave (SAW) filter designed to provide front-end selectivity in 433.42 MHz receivers. Receiver designs using this filter include superhet with 10.7 MHz or 500 kHz IF, direct conversion and superregen. Typical applications of.

  RF1391C   RF1391C


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RF1391C • • • • Ideal Front-End Filter for Wireless Receivers Low-Loss, Coupled-Resonator Quartz Design Simple External Impedance Matching Complies with Directive 2002/95/EC (RoHS) Pb 433.42 MHz SAW Filter The RF1391C is a low-loss, compact, and economical surface-acoustic-wave (SAW) filter designed to provide front-end selectivity in 433.42 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. SM5050-8 Case 5x5 Electrical Characteristics Characteristic Center Frequency at 25°C Insertion Loss 3 dB Bandwidth Rejection at fc - 21.4 MHz (Image) at fc - 10.7 MHz (LO) Ultimate Temperature Operating Case Temp. Turnover Temperature Turnover Frequency Freq. Temp. Coefficient Frequency Aging Impedance @ fc Absolute Value during the First Year Input ZIN = RIN//CIN Output ZOUT = ROUT//COUT Lid Symbolization (Y=year WW=week S=Shift) Standard Reel Quantity Standard Reel Quantity 7 Inch Reel 13 Inch Reel TC TO fO FTC |fA| ZIN ZOUT 5 1 3, 4 -40 15 25 fc 0.032 ≤10 212 Ω // 3.1 pF 212 Ω // 3.1 pF 415 YWWS 500 pieces/reel 3000 pieces/reel 1 Absolute Frequency Tolerance from 433.42 MHz Sym fc ∆fC IL BW3 Notes 1, 2 1 1, 2 Minimum Typical 433.42 Maximu m -120/+200 Units MHz kHz dB kHz dB 3.0 500 40 30 600 50 40 80 5.0 750 +85 35 °C °C MHz ppm/°C2 ppm/yr 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 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. 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 +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. The design, manufacturing process, and specifications of this device are subject to change without notice. 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. 2. 3. 4. 5. 6. 7. 8. www.RFM.com E-mail: [email protected] ©2008 by RF Monolithics, Inc. Page 1 of 2 RF1391C - 3/21/08 Free Datasheet http://www.datasheetlist.com/ Absolute Maximum Ratings Rating Input Power Level DC Voltage Storage Temperature Soldering Temperature (10 seconds / 5 cycles max.) Value 10 12 -40 to +85 260 Units dBm VDC °C °C Electrical Connections B 8 C E 8 D 7 6 5 Pin 1 2 3 4 5 6 7 8 Connection Input Ground Input to be Grounded Case Ground Output Output Ground to be Grounded Case Ground 4 4 F A 1 2 3 7 6 5 1 2 3 G Matching Circuit to 50Ω Case Dimensions mm Min Input C=4.3 pF 7 6 L=33 nH 1 L=33 nH Dimension A B C D E F G 4.8 4.8 Inches Max 5.2 5.2 1.7 Nom 5.0 5.0 2.08 1.17 0.64 2.54 Min 0.189 0.189 Nom 0.197 0.197 0.082 0.046 0.025 0.100 Max 0.205 0.205 0.067 8 4 2 3 Output C=4.3 pF 5 2.39 2.69 0.094 0.106 Optional Pin 1 2 3 4 5 6 7 8 Connection Input Input Ground 33 nH 33 nH 7 Output 4.3 pF 1 4.3 pF Input Ground Case Ground Output Ground Output Ground Case Ground 6 5 8 4 2 3 www.RFM.com E-mail: [email protected] ©2008 by RF Monolithics, Inc. Page 2 of 2 RF1391C - 3/21/08 Free Datasheet http://www.datasheetlist.com/ .


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